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Message-ID: <20160608014358.GB23710@kroah.com>
Date: Tue, 7 Jun 2016 18:43:58 -0700
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 4.4.13
diff --git a/Documentation/devicetree/bindings/clock/imx35-clock.txt b/Documentation/devicetree/bindings/clock/imx35-clock.txt
index a70356452a82..f49783213c56 100644
--- a/Documentation/devicetree/bindings/clock/imx35-clock.txt
+++ b/Documentation/devicetree/bindings/clock/imx35-clock.txt
@@ -94,6 +94,7 @@ clocks and IDs.
csi_sel 79
iim_gate 80
gpu2d_gate 81
+ ckli_gate 82
Examples:
diff --git a/Documentation/sysctl/fs.txt b/Documentation/sysctl/fs.txt
index 88152f214f48..302b5ed616a6 100644
--- a/Documentation/sysctl/fs.txt
+++ b/Documentation/sysctl/fs.txt
@@ -32,6 +32,8 @@ Currently, these files are in /proc/sys/fs:
- nr_open
- overflowuid
- overflowgid
+- pipe-user-pages-hard
+- pipe-user-pages-soft
- protected_hardlinks
- protected_symlinks
- suid_dumpable
@@ -159,6 +161,27 @@ The default is 65534.
==============================================================
+pipe-user-pages-hard:
+
+Maximum total number of pages a non-privileged user may allocate for pipes.
+Once this limit is reached, no new pipes may be allocated until usage goes
+below the limit again. When set to 0, no limit is applied, which is the default
+setting.
+
+==============================================================
+
+pipe-user-pages-soft:
+
+Maximum total number of pages a non-privileged user may allocate for pipes
+before the pipe size gets limited to a single page. Once this limit is reached,
+new pipes will be limited to a single page in size for this user in order to
+limit total memory usage, and trying to increase them using fcntl() will be
+denied until usage goes below the limit again. The default value allows to
+allocate up to 1024 pipes at their default size. When set to 0, no limit is
+applied.
+
+==============================================================
+
protected_hardlinks:
A long-standing class of security issues is the hardlink-based
diff --git a/Makefile b/Makefile
index a1fbd691a36e..f4b33cdf991a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 12
+SUBLEVEL = 13
EXTRAVERSION =
NAME = Blurry Fish Butt
@@ -364,7 +364,7 @@ AFLAGS_MODULE =
LDFLAGS_MODULE =
CFLAGS_KERNEL =
AFLAGS_KERNEL =
-CFLAGS_GCOV = -fprofile-arcs -ftest-coverage
+CFLAGS_GCOV = -fprofile-arcs -ftest-coverage -fno-tree-loop-im
# Use USERINCLUDE when you must reference the UAPI directories only.
diff --git a/arch/arm/boot/dts/armada-385-linksys.dtsi b/arch/arm/boot/dts/armada-385-linksys.dtsi
index 85d2c377c332..8450944b28e6 100644
--- a/arch/arm/boot/dts/armada-385-linksys.dtsi
+++ b/arch/arm/boot/dts/armada-385-linksys.dtsi
@@ -245,7 +245,7 @@
button@2 {
label = "Factory Reset Button";
linux,code = <KEY_RESTART>;
- gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
+ gpios = <&gpio0 29 GPIO_ACTIVE_LOW>;
};
};
@@ -260,7 +260,7 @@
};
sata {
- gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
+ gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
default-state = "off";
};
};
@@ -313,7 +313,7 @@
&pinctrl {
keys_pin: keys-pin {
- marvell,pins = "mpp24", "mpp47";
+ marvell,pins = "mpp24", "mpp29";
marvell,function = "gpio";
};
diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
index b89e6cf1271a..7a461541ce50 100644
--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
@@ -304,13 +304,13 @@
button@1 {
label = "WPS";
linux,code = <KEY_WPS_BUTTON>;
- gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
+ gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
};
button@2 {
label = "Factory Reset Button";
linux,code = <KEY_RESTART>;
- gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
+ gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
};
};
diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index a50be640f1b0..59411e447fa0 100644
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -298,6 +298,8 @@
compatible = "maxim,max8997-pmic";
reg = <0x66>;
+ interrupt-parent = <&gpx0>;
+ interrupts = <7 0>;
max8997,pmic-buck1-uses-gpio-dvs;
max8997,pmic-buck2-uses-gpio-dvs;
diff --git a/arch/arm/boot/dts/sama5d2-pinfunc.h b/arch/arm/boot/dts/sama5d2-pinfunc.h
index b0c912feaa2f..8a394f336003 100644
--- a/arch/arm/boot/dts/sama5d2-pinfunc.h
+++ b/arch/arm/boot/dts/sama5d2-pinfunc.h
@@ -837,8 +837,8 @@
#define PIN_PD23__ISC_FIELD PINMUX_PIN(PIN_PD23, 6, 4)
#define PIN_PD24 120
#define PIN_PD24__GPIO PINMUX_PIN(PIN_PD24, 0, 0)
-#define PIN_PD24__UTXD2 PINMUX_PIN(PIN_PD23, 1, 2)
-#define PIN_PD24__FLEXCOM4_IO3 PINMUX_PIN(PIN_PD23, 3, 3)
+#define PIN_PD24__UTXD2 PINMUX_PIN(PIN_PD24, 1, 2)
+#define PIN_PD24__FLEXCOM4_IO3 PINMUX_PIN(PIN_PD24, 3, 3)
#define PIN_PD25 121
#define PIN_PD25__GPIO PINMUX_PIN(PIN_PD25, 0, 0)
#define PIN_PD25__SPI1_SPCK PINMUX_PIN(PIN_PD25, 1, 3)
diff --git a/arch/mips/ath79/early_printk.c b/arch/mips/ath79/early_printk.c
index b955fafc58ba..d1adc59af5bf 100644
--- a/arch/mips/ath79/early_printk.c
+++ b/arch/mips/ath79/early_printk.c
@@ -31,13 +31,15 @@ static inline void prom_putchar_wait(void __iomem *reg, u32 mask, u32 val)
} while (1);
}
+#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
+
static void prom_putchar_ar71xx(unsigned char ch)
{
void __iomem *base = (void __iomem *)(KSEG1ADDR(AR71XX_UART_BASE));
- prom_putchar_wait(base + UART_LSR * 4, UART_LSR_THRE, UART_LSR_THRE);
+ prom_putchar_wait(base + UART_LSR * 4, BOTH_EMPTY, BOTH_EMPTY);
__raw_writel(ch, base + UART_TX * 4);
- prom_putchar_wait(base + UART_LSR * 4, UART_LSR_THRE, UART_LSR_THRE);
+ prom_putchar_wait(base + UART_LSR * 4, BOTH_EMPTY, BOTH_EMPTY);
}
static void prom_putchar_ar933x(unsigned char ch)
diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index 867f924b05c7..e689b894353c 100644
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@@ -298,21 +298,21 @@
.set pop
.endm
- .macro copy_u_w ws, n
+ .macro copy_s_w ws, n
.set push
.set mips32r2
.set fp=64
.set msa
- copy_u.w $1, $w\ws[\n]
+ copy_s.w $1, $w\ws[\n]
.set pop
.endm
- .macro copy_u_d ws, n
+ .macro copy_s_d ws, n
.set push
.set mips64r2
.set fp=64
.set msa
- copy_u.d $1, $w\ws[\n]
+ copy_s.d $1, $w\ws[\n]
.set pop
.endm
@@ -346,8 +346,8 @@
#define STH_MSA_INSN 0x5800081f
#define STW_MSA_INSN 0x5800082f
#define STD_MSA_INSN 0x5800083f
-#define COPY_UW_MSA_INSN 0x58f00056
-#define COPY_UD_MSA_INSN 0x58f80056
+#define COPY_SW_MSA_INSN 0x58b00056
+#define COPY_SD_MSA_INSN 0x58b80056
#define INSERT_W_MSA_INSN 0x59300816
#define INSERT_D_MSA_INSN 0x59380816
#else
@@ -361,8 +361,8 @@
#define STH_MSA_INSN 0x78000825
#define STW_MSA_INSN 0x78000826
#define STD_MSA_INSN 0x78000827
-#define COPY_UW_MSA_INSN 0x78f00059
-#define COPY_UD_MSA_INSN 0x78f80059
+#define COPY_SW_MSA_INSN 0x78b00059
+#define COPY_SD_MSA_INSN 0x78b80059
#define INSERT_W_MSA_INSN 0x79300819
#define INSERT_D_MSA_INSN 0x79380819
#endif
@@ -393,7 +393,7 @@
.set push
.set noat
SET_HARDFLOAT
- addu $1, \base, \off
+ PTR_ADDU $1, \base, \off
.word LDB_MSA_INSN | (\wd << 6)
.set pop
.endm
@@ -402,7 +402,7 @@
.set push
.set noat
SET_HARDFLOAT
- addu $1, \base, \off
+ PTR_ADDU $1, \base, \off
.word LDH_MSA_INSN | (\wd << 6)
.set pop
.endm
@@ -411,7 +411,7 @@
.set push
.set noat
SET_HARDFLOAT
- addu $1, \base, \off
+ PTR_ADDU $1, \base, \off
.word LDW_MSA_INSN | (\wd << 6)
.set pop
.endm
@@ -420,7 +420,7 @@
.set push
.set noat
SET_HARDFLOAT
- addu $1, \base, \off
+ PTR_ADDU $1, \base, \off
.word LDD_MSA_INSN | (\wd << 6)
.set pop
.endm
@@ -429,7 +429,7 @@
.set push
.set noat
SET_HARDFLOAT
- addu $1, \base, \off
+ PTR_ADDU $1, \base, \off
.word STB_MSA_INSN | (\wd << 6)
.set pop
.endm
@@ -438,7 +438,7 @@
.set push
.set noat
SET_HARDFLOAT
- addu $1, \base, \off
+ PTR_ADDU $1, \base, \off
.word STH_MSA_INSN | (\wd << 6)
.set pop
.endm
@@ -447,7 +447,7 @@
.set push
.set noat
SET_HARDFLOAT
- addu $1, \base, \off
+ PTR_ADDU $1, \base, \off
.word STW_MSA_INSN | (\wd << 6)
.set pop
.endm
@@ -456,26 +456,26 @@
.set push
.set noat
SET_HARDFLOAT
- addu $1, \base, \off
+ PTR_ADDU $1, \base, \off
.word STD_MSA_INSN | (\wd << 6)
.set pop
.endm
- .macro copy_u_w ws, n
+ .macro copy_s_w ws, n
.set push
.set noat
SET_HARDFLOAT
.insn
- .word COPY_UW_MSA_INSN | (\n << 16) | (\ws << 11)
+ .word COPY_SW_MSA_INSN | (\n << 16) | (\ws << 11)
.set pop
.endm
- .macro copy_u_d ws, n
+ .macro copy_s_d ws, n
.set push
.set noat
SET_HARDFLOAT
.insn
- .word COPY_UD_MSA_INSN | (\n << 16) | (\ws << 11)
+ .word COPY_SD_MSA_INSN | (\n << 16) | (\ws << 11)
.set pop
.endm
diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
index 723229f4cf27..176de586a71a 100644
--- a/arch/mips/include/asm/cacheflush.h
+++ b/arch/mips/include/asm/cacheflush.h
@@ -51,7 +51,6 @@ extern void (*flush_cache_range)(struct vm_area_struct *vma,
unsigned long start, unsigned long end);
extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn);
extern void __flush_dcache_page(struct page *page);
-extern void __flush_icache_page(struct vm_area_struct *vma, struct page *page);
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
static inline void flush_dcache_page(struct page *page)
@@ -77,11 +76,6 @@ static inline void flush_anon_page(struct vm_area_struct *vma,
static inline void flush_icache_page(struct vm_area_struct *vma,
struct page *page)
{
- if (!cpu_has_ic_fills_f_dc && (vma->vm_flags & VM_EXEC) &&
- Page_dcache_dirty(page)) {
- __flush_icache_page(vma, page);
- ClearPageDcacheDirty(page);
- }
}
extern void (*flush_icache_range)(unsigned long start, unsigned long end);
diff --git a/arch/mips/include/asm/msa.h b/arch/mips/include/asm/msa.h
index bbb85fe21642..6e4effa6f626 100644
--- a/arch/mips/include/asm/msa.h
+++ b/arch/mips/include/asm/msa.h
@@ -147,6 +147,19 @@ static inline void restore_msa(struct task_struct *t)
_restore_msa(t);
}
+static inline void init_msa_upper(void)
+{
+ /*
+ * Check cpu_has_msa only if it's a constant. This will allow the
+ * compiler to optimise out code for CPUs without MSA without adding
+ * an extra redundant check for CPUs with MSA.
+ */
+ if (__builtin_constant_p(cpu_has_msa) && !cpu_has_msa)
+ return;
+
+ _init_msa_upper();
+}
+
#ifdef TOOLCHAIN_SUPPORTS_MSA
#define __BUILD_MSA_CTL_REG(name, cs) \
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index 18826aa15a7c..4e68c644acc5 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -127,10 +127,14 @@ do { \
} \
} while(0)
+static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pteval);
+
#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
#define pte_none(pte) (!(((pte).pte_high) & ~_PAGE_GLOBAL))
#define pte_present(pte) ((pte).pte_low & _PAGE_PRESENT)
+#define pte_no_exec(pte) ((pte).pte_low & _PAGE_NO_EXEC)
static inline void set_pte(pte_t *ptep, pte_t pte)
{
@@ -148,7 +152,6 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
buddy->pte_high |= _PAGE_GLOBAL;
}
}
-#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
@@ -166,6 +169,7 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt
#define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL))
#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
+#define pte_no_exec(pte) (pte_val(pte) & _PAGE_NO_EXEC)
/*
* Certain architectures need to do special things when pte's
@@ -218,7 +222,6 @@ static inline void set_pte(pte_t *ptep, pte_t pteval)
}
#endif
}
-#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
@@ -234,6 +237,22 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt
}
#endif
+static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pteval)
+{
+ extern void __update_cache(unsigned long address, pte_t pte);
+
+ if (!pte_present(pteval))
+ goto cache_sync_done;
+
+ if (pte_present(*ptep) && (pte_pfn(*ptep) == pte_pfn(pteval)))
+ goto cache_sync_done;
+
+ __update_cache(addr, pteval);
+cache_sync_done:
+ set_pte(ptep, pteval);
+}
+
/*
* (pmds are folded into puds so this doesn't get actually called,
* but the define is needed for a generic inline function.)
@@ -430,15 +449,12 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
extern void __update_tlb(struct vm_area_struct *vma, unsigned long address,
pte_t pte);
-extern void __update_cache(struct vm_area_struct *vma, unsigned long address,
- pte_t pte);
static inline void update_mmu_cache(struct vm_area_struct *vma,
unsigned long address, pte_t *ptep)
{
pte_t pte = *ptep;
__update_tlb(vma, address, pte);
- __update_cache(vma, address, pte);
}
static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h
index 28b5d84a5022..ebb5c0f2f90d 100644
--- a/arch/mips/include/asm/switch_to.h
+++ b/arch/mips/include/asm/switch_to.h
@@ -105,7 +105,7 @@ do { \
__clear_software_ll_bit(); \
if (cpu_has_userlocal) \
write_c0_userlocal(task_thread_info(next)->tp_value); \
- __restore_watch(); \
+ __restore_watch(next); \
(last) = resume(prev, next, task_thread_info(next)); \
} while (0)
diff --git a/arch/mips/include/asm/watch.h b/arch/mips/include/asm/watch.h
index 20126ec79359..6ffe3eadf105 100644
--- a/arch/mips/include/asm/watch.h
+++ b/arch/mips/include/asm/watch.h
@@ -12,21 +12,21 @@
#include <asm/mipsregs.h>
-void mips_install_watch_registers(void);
+void mips_install_watch_registers(struct task_struct *t);
void mips_read_watch_registers(void);
void mips_clear_watch_registers(void);
void mips_probe_watch_registers(struct cpuinfo_mips *c);
#ifdef CONFIG_HARDWARE_WATCHPOINTS
-#define __restore_watch() do { \
+#define __restore_watch(task) do { \
if (unlikely(test_bit(TIF_LOAD_WATCH, \
- ¤t_thread_info()->flags))) { \
- mips_install_watch_registers(); \
+ &task_thread_info(task)->flags))) { \
+ mips_install_watch_registers(task); \
} \
} while (0)
#else
-#define __restore_watch() do {} while (0)
+#define __restore_watch(task) do {} while (0)
#endif
#endif /* _ASM_WATCH_H */
diff --git a/arch/mips/include/uapi/asm/siginfo.h b/arch/mips/include/uapi/asm/siginfo.h
index 2cb7fdead570..e2b5337e840f 100644
--- a/arch/mips/include/uapi/asm/siginfo.h
+++ b/arch/mips/include/uapi/asm/siginfo.h
@@ -28,7 +28,7 @@
#define __ARCH_SIGSYS
-#include <uapi/asm-generic/siginfo.h>
+#include <asm-generic/siginfo.h>
/* We can't use generic siginfo_t, because our si_code and si_errno are swapped */
typedef struct siginfo {
@@ -42,13 +42,13 @@ typedef struct siginfo {
/* kill() */
struct {
- pid_t _pid; /* sender's pid */
+ __kernel_pid_t _pid; /* sender's pid */
__ARCH_SI_UID_T _uid; /* sender's uid */
} _kill;
/* POSIX.1b timers */
struct {
- timer_t _tid; /* timer id */
+ __kernel_timer_t _tid; /* timer id */
int _overrun; /* overrun count */
char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
sigval_t _sigval; /* same as below */
@@ -57,26 +57,26 @@ typedef struct siginfo {
/* POSIX.1b signals */
struct {
- pid_t _pid; /* sender's pid */
+ __kernel_pid_t _pid; /* sender's pid */
__ARCH_SI_UID_T _uid; /* sender's uid */
sigval_t _sigval;
} _rt;
/* SIGCHLD */
struct {
- pid_t _pid; /* which child */
+ __kernel_pid_t _pid; /* which child */
__ARCH_SI_UID_T _uid; /* sender's uid */
int _status; /* exit code */
- clock_t _utime;
- clock_t _stime;
+ __kernel_clock_t _utime;
+ __kernel_clock_t _stime;
} _sigchld;
/* IRIX SIGCHLD */
struct {
- pid_t _pid; /* which child */
- clock_t _utime;
+ __kernel_pid_t _pid; /* which child */
+ __kernel_clock_t _utime;
int _status; /* exit code */
- clock_t _stime;
+ __kernel_clock_t _stime;
} _irix_sigchld;
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
@@ -118,6 +118,4 @@ typedef struct siginfo {
#define SI_TIMER __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */
#define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */
-#include <asm-generic/siginfo.h>
-
#endif /* _UAPI_ASM_SIGINFO_H */
diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c
index 1f5aac7f9ec3..4674a74a08b5 100644
--- a/arch/mips/kernel/mips-r2-to-r6-emul.c
+++ b/arch/mips/kernel/mips-r2-to-r6-emul.c
@@ -28,6 +28,7 @@
#include <asm/inst.h>
#include <asm/mips-r2-to-r6-emul.h>
#include <asm/local.h>
+#include <asm/mipsregs.h>
#include <asm/ptrace.h>
#include <asm/uaccess.h>
@@ -1251,10 +1252,10 @@ fpu_emul:
" j 10b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1326,10 +1327,10 @@ fpu_emul:
" j 10b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1397,10 +1398,10 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1467,10 +1468,10 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1582,14 +1583,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
- " .word 5b,8b\n"
- " .word 6b,8b\n"
- " .word 7b,8b\n"
- " .word 0b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
+ STR(PTR) " 5b,8b\n"
+ STR(PTR) " 6b,8b\n"
+ STR(PTR) " 7b,8b\n"
+ STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1701,14 +1702,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
- " .word 5b,8b\n"
- " .word 6b,8b\n"
- " .word 7b,8b\n"
- " .word 0b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
+ STR(PTR) " 5b,8b\n"
+ STR(PTR) " 6b,8b\n"
+ STR(PTR) " 7b,8b\n"
+ STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1820,14 +1821,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
- " .word 5b,8b\n"
- " .word 6b,8b\n"
- " .word 7b,8b\n"
- " .word 0b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
+ STR(PTR) " 5b,8b\n"
+ STR(PTR) " 6b,8b\n"
+ STR(PTR) " 7b,8b\n"
+ STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1938,14 +1939,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
- " .word 5b,8b\n"
- " .word 6b,8b\n"
- " .word 7b,8b\n"
- " .word 0b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
+ STR(PTR) " 5b,8b\n"
+ STR(PTR) " 6b,8b\n"
+ STR(PTR) " 7b,8b\n"
+ STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -2000,7 +2001,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ STR(PTR) " 1b,3b\n"
".previous\n"
: "=&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV)
@@ -2058,7 +2059,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ STR(PTR) " 1b,3b\n"
".previous\n"
: "+&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV));
@@ -2119,7 +2120,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ STR(PTR) " 1b,3b\n"
".previous\n"
: "=&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV)
@@ -2182,7 +2183,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ STR(PTR) " 1b,3b\n"
".previous\n"
: "+&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV));
diff --git a/arch/mips/kernel/pm.c b/arch/mips/kernel/pm.c
index fefdf39d3df3..dc814892133c 100644
--- a/arch/mips/kernel/pm.c
+++ b/arch/mips/kernel/pm.c
@@ -56,7 +56,7 @@ static void mips_cpu_restore(void)
write_c0_userlocal(current_thread_info()->tp_value);
/* Restore watch registers */
- __restore_watch();
+ __restore_watch(current);
}
/**
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index f2975d4d1e44..89847bee2b53 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -457,7 +457,7 @@ unsigned long notrace unwind_stack_by_address(unsigned long stack_page,
*sp + sizeof(*regs) <= stack_page + THREAD_SIZE - 32) {
regs = (struct pt_regs *)*sp;
pc = regs->cp0_epc;
- if (__kernel_text_address(pc)) {
+ if (!user_mode(regs) && __kernel_text_address(pc)) {
*sp = regs->regs[29];
*ra = regs->regs[31];
return pc;
@@ -603,6 +603,9 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)
if (!(value & PR_FP_MODE_FR) && cpu_has_fpu && cpu_has_mips_r6)
return -EOPNOTSUPP;
+ /* Proceed with the mode switch */
+ preempt_disable();
+
/* Save FP & vector context, then disable FPU & MSA */
if (task->signal == current->signal)
lose_fpu(1);
@@ -661,6 +664,7 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)
/* Allow threads to use FP again */
atomic_set(&task->mm->context.fp_mode_switching, 0);
+ preempt_enable();
return 0;
}
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 4f0ac78d17f1..74d581569778 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -57,8 +57,7 @@ static void init_fp_ctx(struct task_struct *target)
/* Begin with data registers set to all 1s... */
memset(&target->thread.fpu.fpr, ~0, sizeof(target->thread.fpu.fpr));
- /* ...and FCSR zeroed */
- target->thread.fpu.fcr31 = 0;
+ /* FCSR has been preset by `mips_set_personality_nan'. */
/*
* Record that the target has "used" math, such that the context
@@ -80,6 +79,22 @@ void ptrace_disable(struct task_struct *child)
}
/*
+ * Poke at FCSR according to its mask. Don't set the cause bits as
+ * this is currently not handled correctly in FP context restoration
+ * and will cause an oops if a corresponding enable bit is set.
+ */
+static void ptrace_setfcr31(struct task_struct *child, u32 value)
+{
+ u32 fcr31;
+ u32 mask;
+
+ value &= ~FPU_CSR_ALL_X;
+ fcr31 = child->thread.fpu.fcr31;
+ mask = boot_cpu_data.fpu_msk31;
+ child->thread.fpu.fcr31 = (value & ~mask) | (fcr31 & mask);
+}
+
+/*
* Read a general register set. We always use the 64-bit format, even
* for 32-bit kernels and for 32-bit processes on a 64-bit kernel.
* Registers are sign extended to fill the available space.
@@ -159,9 +174,7 @@ int ptrace_setfpregs(struct task_struct *child, __u32 __user *data)
{
union fpureg *fregs;
u64 fpr_val;
- u32 fcr31;
u32 value;
- u32 mask;
int i;
if (!access_ok(VERIFY_READ, data, 33 * 8))
@@ -176,9 +189,7 @@ int ptrace_setfpregs(struct task_struct *child, __u32 __user *data)
}
__get_user(value, data + 64);
- fcr31 = child->thread.fpu.fcr31;
- mask = boot_cpu_data.fpu_msk31;
- child->thread.fpu.fcr31 = (value & ~mask) | (fcr31 & mask);
+ ptrace_setfcr31(child, value);
/* FIR may not be written. */
@@ -808,7 +819,7 @@ long arch_ptrace(struct task_struct *child, long request,
break;
#endif
case FPC_CSR:
- child->thread.fpu.fcr31 = data & ~FPU_CSR_ALL_X;
+ ptrace_setfcr31(child, data);
break;
case DSP_BASE ... DSP_BASE + 5: {
dspreg_t *dregs;
diff --git a/arch/mips/kernel/r4k_fpu.S b/arch/mips/kernel/r4k_fpu.S
index f09546ee2cdc..bc74485ec805 100644
--- a/arch/mips/kernel/r4k_fpu.S
+++ b/arch/mips/kernel/r4k_fpu.S
@@ -244,17 +244,17 @@ LEAF(\name)
.set push
.set noat
#ifdef CONFIG_64BIT
- copy_u_d \wr, 1
+ copy_s_d \wr, 1
EX sd $1, \off(\base)
#elif defined(CONFIG_CPU_LITTLE_ENDIAN)
- copy_u_w \wr, 2
+ copy_s_w \wr, 2
EX sw $1, \off(\base)
- copy_u_w \wr, 3
+ copy_s_w \wr, 3
EX sw $1, (\off+4)(\base)
#else /* CONFIG_CPU_BIG_ENDIAN */
- copy_u_w \wr, 2
+ copy_s_w \wr, 2
EX sw $1, (\off+4)(\base)
- copy_u_w \wr, 3
+ copy_s_w \wr, 3
EX sw $1, \off(\base)
#endif
.set pop
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 66aac55df349..8acae316f26b 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -706,6 +706,9 @@ static void __init arch_mem_init(char **cmdline_p)
for_each_memblock(reserved, reg)
if (reg->size != 0)
reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT);
+
+ reserve_bootmem_region(__pa_symbol(&__nosave_begin),
+ __pa_symbol(&__nosave_end)); /* Reserve for hibernation */
}
static void __init resource_init(void)
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index bf792e2839a6..9e35b6b26aa8 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -195,6 +195,9 @@ static int restore_msa_extcontext(void __user *buf, unsigned int size)
unsigned int csr;
int i, err;
+ if (!config_enabled(CONFIG_CPU_HAS_MSA))
+ return SIGSYS;
+
if (size != sizeof(*msa))
return -EINVAL;
@@ -398,8 +401,8 @@ int protected_restore_fp_context(void __user *sc)
}
fp_done:
- if (used & USED_EXTCONTEXT)
- err |= restore_extcontext(sc_to_extcontext(sc));
+ if (!err && (used & USED_EXTCONTEXT))
+ err = restore_extcontext(sc_to_extcontext(sc));
return err ?: sig;
}
@@ -767,15 +770,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
sigset_t *oldset = sigmask_to_save();
int ret;
struct mips_abi *abi = current->thread.abi;
-#ifdef CONFIG_CPU_MICROMIPS
- void *vdso;
- unsigned long tmp = (unsigned long)current->mm->context.vdso;
-
- set_isa16_mode(tmp);
- vdso = (void *)tmp;
-#else
void *vdso = current->mm->context.vdso;
-#endif
if (regs->regs[0]) {
switch(regs->regs[2]) {
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index ca9a81007489..99a402231f4d 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -144,7 +144,7 @@ static void show_backtrace(struct task_struct *task, const struct pt_regs *regs)
if (!task)
task = current;
- if (raw_show_trace || !__kernel_text_address(pc)) {
+ if (raw_show_trace || user_mode(regs) || !__kernel_text_address(pc)) {
show_raw_backtrace(sp);
return;
}
@@ -1241,7 +1241,7 @@ static int enable_restore_fp_context(int msa)
err = init_fpu();
if (msa && !err) {
enable_msa();
- _init_msa_upper();
+ init_msa_upper();
set_thread_flag(TIF_USEDMSA);
set_thread_flag(TIF_MSA_CTX_LIVE);
}
@@ -1304,7 +1304,7 @@ static int enable_restore_fp_context(int msa)
*/
prior_msa = test_and_set_thread_flag(TIF_MSA_CTX_LIVE);
if (!prior_msa && was_fpu_owner) {
- _init_msa_upper();
+ init_msa_upper();
goto out;
}
@@ -1321,7 +1321,7 @@ static int enable_restore_fp_context(int msa)
* of each vector register such that it cannot see data left
* behind by another task.
*/
- _init_msa_upper();
+ init_msa_upper();
} else {
/* We need to restore the vector context. */
restore_msa(current);
diff --git a/arch/mips/kernel/watch.c b/arch/mips/kernel/watch.c
index 2a03abb5bd2c..9b78e375118e 100644
--- a/arch/mips/kernel/watch.c
+++ b/arch/mips/kernel/watch.c
@@ -15,10 +15,9 @@
* Install the watch registers for the current thread. A maximum of
* four registers are installed although the machine may have more.
*/
-void mips_install_watch_registers(void)
+void mips_install_watch_registers(struct task_struct *t)
{
- struct mips3264_watch_reg_state *watches =
- ¤t->thread.watch.mips3264;
+ struct mips3264_watch_reg_state *watches = &t->thread.watch.mips3264;
switch (current_cpu_data.watch_reg_use_cnt) {
default:
BUG();
diff --git a/arch/mips/lib/ashldi3.c b/arch/mips/lib/ashldi3.c
index beb80f316095..927dc94a030f 100644
--- a/arch/mips/lib/ashldi3.c
+++ b/arch/mips/lib/ashldi3.c
@@ -2,7 +2,7 @@
#include "libgcc.h"
-long long __ashldi3(long long u, word_type b)
+long long notrace __ashldi3(long long u, word_type b)
{
DWunion uu, w;
word_type bm;
diff --git a/arch/mips/lib/ashrdi3.c b/arch/mips/lib/ashrdi3.c
index c884a912b660..9fdf1a598428 100644
--- a/arch/mips/lib/ashrdi3.c
+++ b/arch/mips/lib/ashrdi3.c
@@ -2,7 +2,7 @@
#include "libgcc.h"
-long long __ashrdi3(long long u, word_type b)
+long long notrace __ashrdi3(long long u, word_type b)
{
DWunion uu, w;
word_type bm;
diff --git a/arch/mips/lib/bswapdi.c b/arch/mips/lib/bswapdi.c
index 77e5f9c1f005..e3e77aa52c95 100644
--- a/arch/mips/lib/bswapdi.c
+++ b/arch/mips/lib/bswapdi.c
@@ -1,6 +1,6 @@
#include <linux/module.h>
-unsigned long long __bswapdi2(unsigned long long u)
+unsigned long long notrace __bswapdi2(unsigned long long u)
{
return (((u) & 0xff00000000000000ull) >> 56) |
(((u) & 0x00ff000000000000ull) >> 40) |
diff --git a/arch/mips/lib/bswapsi.c b/arch/mips/lib/bswapsi.c
index 2b302ff121d2..530a8afe6fda 100644
--- a/arch/mips/lib/bswapsi.c
+++ b/arch/mips/lib/bswapsi.c
@@ -1,6 +1,6 @@
#include <linux/module.h>
-unsigned int __bswapsi2(unsigned int u)
+unsigned int notrace __bswapsi2(unsigned int u)
{
return (((u) & 0xff000000) >> 24) |
(((u) & 0x00ff0000) >> 8) |
diff --git a/arch/mips/lib/cmpdi2.c b/arch/mips/lib/cmpdi2.c
index 8c1306437ed1..06857da96993 100644
--- a/arch/mips/lib/cmpdi2.c
+++ b/arch/mips/lib/cmpdi2.c
@@ -2,7 +2,7 @@
#include "libgcc.h"
-word_type __cmpdi2(long long a, long long b)
+word_type notrace __cmpdi2(long long a, long long b)
{
const DWunion au = {
.ll = a
diff --git a/arch/mips/lib/lshrdi3.c b/arch/mips/lib/lshrdi3.c
index dcf8d6810b7c..364547449c65 100644
--- a/arch/mips/lib/lshrdi3.c
+++ b/arch/mips/lib/lshrdi3.c
@@ -2,7 +2,7 @@
#include "libgcc.h"
-long long __lshrdi3(long long u, word_type b)
+long long notrace __lshrdi3(long long u, word_type b)
{
DWunion uu, w;
word_type bm;
diff --git a/arch/mips/lib/ucmpdi2.c b/arch/mips/lib/ucmpdi2.c
index bb4cb2f828ea..bd599f58234c 100644
--- a/arch/mips/lib/ucmpdi2.c
+++ b/arch/mips/lib/ucmpdi2.c
@@ -2,7 +2,7 @@
#include "libgcc.h"
-word_type __ucmpdi2(unsigned long long a, unsigned long long b)
+word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b)
{
const DWunion au = {.ll = a};
const DWunion bu = {.ll = b};
diff --git a/arch/mips/loongson64/loongson-3/numa.c b/arch/mips/loongson64/loongson-3/numa.c
index 6f9e010cec4d..282c5a8c2fcd 100644
--- a/arch/mips/loongson64/loongson-3/numa.c
+++ b/arch/mips/loongson64/loongson-3/numa.c
@@ -213,10 +213,10 @@ static void __init node_mem_init(unsigned int node)
BOOTMEM_DEFAULT);
if (node == 0 && node_end_pfn(0) >= (0xffffffff >> PAGE_SHIFT)) {
- /* Reserve 0xff800000~0xffffffff for RS780E integrated GPU */
+ /* Reserve 0xfe000000~0xffffffff for RS780E integrated GPU */
reserve_bootmem_node(NODE_DATA(node),
- (node_addrspace_offset | 0xff800000),
- 8 << 20, BOOTMEM_DEFAULT);
+ (node_addrspace_offset | 0xfe000000),
+ 32 << 20, BOOTMEM_DEFAULT);
}
sparse_memory_present_with_active_regions(node);
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 32f0e19a0d7f..734a2c7665ec 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -445,9 +445,11 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
case spec_op:
switch (insn.r_format.func) {
case jalr_op:
- regs->regs[insn.r_format.rd] =
- regs->cp0_epc + dec_insn.pc_inc +
- dec_insn.next_pc_inc;
+ if (insn.r_format.rd != 0) {
+ regs->regs[insn.r_format.rd] =
+ regs->cp0_epc + dec_insn.pc_inc +
+ dec_insn.next_pc_inc;
+ }
/* Fall through */
case jr_op:
/* For R6, JR already emulated in jalr_op */
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index aab218c36e0d..e87bccd6e0aa 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -16,6 +16,7 @@
#include <linux/mm.h>
#include <asm/cacheflush.h>
+#include <asm/highmem.h>
#include <asm/processor.h>
#include <asm/cpu.h>
#include <asm/cpu-features.h>
@@ -83,8 +84,6 @@ void __flush_dcache_page(struct page *page)
struct address_space *mapping = page_mapping(page);
unsigned long addr;
- if (PageHighMem(page))
- return;
if (mapping && !mapping_mapped(mapping)) {
SetPageDcacheDirty(page);
return;
@@ -95,8 +94,15 @@ void __flush_dcache_page(struct page *page)
* case is for exec env/arg pages and those are %99 certainly going to
* get faulted into the tlb (and thus flushed) anyways.
*/
- addr = (unsigned long) page_address(page);
+ if (PageHighMem(page))
+ addr = (unsigned long)kmap_atomic(page);
+ else
+ addr = (unsigned long)page_address(page);
+
flush_data_cache_page(addr);
+
+ if (PageHighMem(page))
+ __kunmap_atomic((void *)addr);
}
EXPORT_SYMBOL(__flush_dcache_page);
@@ -119,33 +125,28 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr)
EXPORT_SYMBOL(__flush_anon_page);
-void __flush_icache_page(struct vm_area_struct *vma, struct page *page)
-{
- unsigned long addr;
-
- if (PageHighMem(page))
- return;
-
- addr = (unsigned long) page_address(page);
- flush_data_cache_page(addr);
-}
-EXPORT_SYMBOL_GPL(__flush_icache_page);
-
-void __update_cache(struct vm_area_struct *vma, unsigned long address,
- pte_t pte)
+void __update_cache(unsigned long address, pte_t pte)
{
struct page *page;
unsigned long pfn, addr;
- int exec = (vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc;
+ int exec = !pte_no_exec(pte) && !cpu_has_ic_fills_f_dc;
pfn = pte_pfn(pte);
if (unlikely(!pfn_valid(pfn)))
return;
page = pfn_to_page(pfn);
- if (page_mapping(page) && Page_dcache_dirty(page)) {
- addr = (unsigned long) page_address(page);
+ if (Page_dcache_dirty(page)) {
+ if (PageHighMem(page))
+ addr = (unsigned long)kmap_atomic(page);
+ else
+ addr = (unsigned long)page_address(page);
+
if (exec || pages_do_alias(addr, address & PAGE_MASK))
flush_data_cache_page(addr);
+
+ if (PageHighMem(page))
+ __kunmap_atomic((void *)addr);
+
ClearPageDcacheDirty(page);
}
}
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index 14568900fc1d..090393aa0f20 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -5,10 +5,12 @@ obj-vdso-y := elf.o gettimeofday.o sigreturn.o
ccflags-vdso := \
$(filter -I%,$(KBUILD_CFLAGS)) \
$(filter -E%,$(KBUILD_CFLAGS)) \
+ $(filter -mmicromips,$(KBUILD_CFLAGS)) \
$(filter -march=%,$(KBUILD_CFLAGS))
cflags-vdso := $(ccflags-vdso) \
$(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \
- -O2 -g -fPIC -fno-common -fno-builtin -G 0 -DDISABLE_BRANCH_PROFILING \
+ -O2 -g -fPIC -fno-strict-aliasing -fno-common -fno-builtin -G 0 \
+ -DDISABLE_BRANCH_PROFILING \
$(call cc-option, -fno-stack-protector)
aflags-vdso := $(ccflags-vdso) \
$(filter -I%,$(KBUILD_CFLAGS)) \
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 40e4d4a27663..b34e8a54f7db 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -1072,7 +1072,7 @@ void eeh_add_device_early(struct pci_dn *pdn)
struct pci_controller *phb;
struct eeh_dev *edev = pdn_to_eeh_dev(pdn);
- if (!edev || !eeh_enabled())
+ if (!edev)
return;
if (!eeh_has_flag(EEH_PROBE_MODE_DEVTREE))
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 52c1e273f8cd..247a0dc012f1 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -166,6 +166,16 @@ static void *eeh_dev_save_state(void *data, void *userdata)
if (!edev)
return NULL;
+ /*
+ * We cannot access the config space on some adapters.
+ * Otherwise, it will cause fenced PHB. We don't save
+ * the content in their config space and will restore
+ * from the initial config space saved when the EEH
+ * device is created.
+ */
+ if (edev->pe && (edev->pe->state & EEH_PE_CFG_RESTRICTED))
+ return NULL;
+
pdev = eeh_dev_to_pci_dev(edev);
if (!pdev)
return NULL;
@@ -305,6 +315,19 @@ static void *eeh_dev_restore_state(void *data, void *userdata)
if (!edev)
return NULL;
+ /*
+ * The content in the config space isn't saved because
+ * the blocked config space on some adapters. We have
+ * to restore the initial saved config space when the
+ * EEH device is created.
+ */
+ if (edev->pe && (edev->pe->state & EEH_PE_CFG_RESTRICTED)) {
+ if (list_is_last(&edev->list, &edev->pe->edevs))
+ eeh_pe_restore_bars(edev->pe);
+
+ return NULL;
+ }
+
pdev = eeh_dev_to_pci_dev(edev);
if (!pdev)
return NULL;
@@ -504,9 +527,6 @@ int eeh_pe_reset_and_recover(struct eeh_pe *pe)
/* Save states */
eeh_pe_dev_traverse(pe, eeh_dev_save_state, NULL);
- /* Report error */
- eeh_pe_dev_traverse(pe, eeh_report_error, &result);
-
/* Issue reset */
ret = eeh_reset_pe(pe);
if (ret) {
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 0a0399c2af11..b81ccc5fb32d 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -962,11 +962,6 @@ hv_facility_unavailable_relon_trampoline:
#endif
STD_RELON_EXCEPTION_PSERIES(0x5700, 0x1700, altivec_assist)
- /* Other future vectors */
- .align 7
- .globl __end_interrupts
-__end_interrupts:
-
.align 7
system_call_entry:
b system_call_common
@@ -1253,6 +1248,17 @@ __end_handlers:
STD_RELON_EXCEPTION_PSERIES_OOL(0xf60, facility_unavailable)
STD_RELON_EXCEPTION_HV_OOL(0xf80, hv_facility_unavailable)
+ /*
+ * The __end_interrupts marker must be past the out-of-line (OOL)
+ * handlers, so that they are copied to real address 0x100 when running
+ * a relocatable kernel. This ensures they can be reached from the short
+ * trampoline handlers (like 0x4f00, 0x4f20, etc.) which branch
+ * directly, without using LOAD_HANDLER().
+ */
+ .align 7
+ .globl __end_interrupts
+__end_interrupts:
+
#if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV)
/*
* Data area reserved for FWNMI option.
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 7ab29518a3b9..e345891450c3 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -393,6 +393,9 @@ static unsigned long __init xen_set_identity_and_remap_chunk(
unsigned long i = 0;
unsigned long n = end_pfn - start_pfn;
+ if (remap_pfn == 0)
+ remap_pfn = nr_pages;
+
while (i < n) {
unsigned long cur_pfn = start_pfn + i;
unsigned long left = n - i;
@@ -438,17 +441,29 @@ static unsigned long __init xen_set_identity_and_remap_chunk(
return remap_pfn;
}
-static void __init xen_set_identity_and_remap(unsigned long nr_pages)
+static unsigned long __init xen_count_remap_pages(
+ unsigned long start_pfn, unsigned long end_pfn, unsigned long nr_pages,
+ unsigned long remap_pages)
+{
+ if (start_pfn >= nr_pages)
+ return remap_pages;
+
+ return remap_pages + min(end_pfn, nr_pages) - start_pfn;
+}
+
+static unsigned long __init xen_foreach_remap_area(unsigned long nr_pages,
+ unsigned long (*func)(unsigned long start_pfn, unsigned long end_pfn,
+ unsigned long nr_pages, unsigned long last_val))
{
phys_addr_t start = 0;
- unsigned long last_pfn = nr_pages;
+ unsigned long ret_val = 0;
const struct e820entry *entry = xen_e820_map;
int i;
/*
* Combine non-RAM regions and gaps until a RAM region (or the
- * end of the map) is reached, then set the 1:1 map and
- * remap the memory in those non-RAM regions.
+ * end of the map) is reached, then call the provided function
+ * to perform its duty on the non-RAM region.
*
* The combined non-RAM regions are rounded to a whole number
* of pages so any partial pages are accessible via the 1:1
@@ -466,14 +481,13 @@ static void __init xen_set_identity_and_remap(unsigned long nr_pages)
end_pfn = PFN_UP(entry->addr);
if (start_pfn < end_pfn)
- last_pfn = xen_set_identity_and_remap_chunk(
- start_pfn, end_pfn, nr_pages,
- last_pfn);
+ ret_val = func(start_pfn, end_pfn, nr_pages,
+ ret_val);
start = end;
}
}
- pr_info("Released %ld page(s)\n", xen_released_pages);
+ return ret_val;
}
/*
@@ -596,35 +610,6 @@ static void __init xen_ignore_unusable(void)
}
}
-static unsigned long __init xen_count_remap_pages(unsigned long max_pfn)
-{
- unsigned long extra = 0;
- unsigned long start_pfn, end_pfn;
- const struct e820entry *entry = xen_e820_map;
- int i;
-
- end_pfn = 0;
- for (i = 0; i < xen_e820_map_entries; i++, entry++) {
- start_pfn = PFN_DOWN(entry->addr);
- /* Adjacent regions on non-page boundaries handling! */
- end_pfn = min(end_pfn, start_pfn);
-
- if (start_pfn >= max_pfn)
- return extra + max_pfn - end_pfn;
-
- /* Add any holes in map to result. */
- extra += start_pfn - end_pfn;
-
- end_pfn = PFN_UP(entry->addr + entry->size);
- end_pfn = min(end_pfn, max_pfn);
-
- if (entry->type != E820_RAM)
- extra += end_pfn - start_pfn;
- }
-
- return extra;
-}
-
bool __init xen_is_e820_reserved(phys_addr_t start, phys_addr_t size)
{
struct e820entry *entry;
@@ -804,7 +789,7 @@ char * __init xen_memory_setup(void)
max_pages = xen_get_max_pages();
/* How many extra pages do we need due to remapping? */
- max_pages += xen_count_remap_pages(max_pfn);
+ max_pages += xen_foreach_remap_area(max_pfn, xen_count_remap_pages);
if (max_pages > max_pfn)
extra_pages += max_pages - max_pfn;
@@ -922,7 +907,9 @@ char * __init xen_memory_setup(void)
* Set identity map on non-RAM pages and prepare remapping the
* underlying RAM.
*/
- xen_set_identity_and_remap(max_pfn);
+ xen_foreach_remap_area(max_pfn, xen_set_identity_and_remap_chunk);
+
+ pr_info("Released %ld page(s)\n", xen_released_pages);
return "Xen";
}
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 1710c26ba097..ae60e6357d7b 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -1262,14 +1262,15 @@ int dpm_suspend_late(pm_message_t state)
error = device_suspend_late(dev);
mutex_lock(&dpm_list_mtx);
+ if (!list_empty(&dev->power.entry))
+ list_move(&dev->power.entry, &dpm_late_early_list);
+
if (error) {
pm_dev_err(dev, state, " late", error);
dpm_save_failed_dev(dev_name(dev));
put_device(dev);
break;
}
- if (!list_empty(&dev->power.entry))
- list_move(&dev->power.entry, &dpm_late_early_list);
put_device(dev);
if (async_error)
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index e1a10a03df8e..9796a1a15ef6 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -1468,11 +1468,16 @@ int pm_runtime_force_resume(struct device *dev)
goto out;
}
- ret = callback(dev);
+ ret = pm_runtime_set_active(dev);
if (ret)
goto out;
- pm_runtime_set_active(dev);
+ ret = callback(dev);
+ if (ret) {
+ pm_runtime_set_suspended(dev);
+ goto out;
+ }
+
pm_runtime_mark_last_busy(dev);
out:
pm_runtime_enable(dev);
diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c
index 30cf4623184f..aa30af5f0f2b 100644
--- a/drivers/char/hw_random/exynos-rng.c
+++ b/drivers/char/hw_random/exynos-rng.c
@@ -89,6 +89,7 @@ static int exynos_read(struct hwrng *rng, void *buf,
struct exynos_rng, rng);
u32 *data = buf;
int retry = 100;
+ int ret = 4;
pm_runtime_get_sync(exynos_rng->dev);
@@ -97,17 +98,20 @@ static int exynos_read(struct hwrng *rng, void *buf,
while (!(exynos_rng_readl(exynos_rng,
EXYNOS_PRNG_STATUS_OFFSET) & PRNG_DONE) && --retry)
cpu_relax();
- if (!retry)
- return -ETIMEDOUT;
+ if (!retry) {
+ ret = -ETIMEDOUT;
+ goto out;
+ }
exynos_rng_writel(exynos_rng, PRNG_DONE, EXYNOS_PRNG_STATUS_OFFSET);
*data = exynos_rng_readl(exynos_rng, EXYNOS_PRNG_OUT1_OFFSET);
+out:
pm_runtime_mark_last_busy(exynos_rng->dev);
pm_runtime_put_sync_autosuspend(exynos_rng->dev);
- return 4;
+ return ret;
}
static int exynos_rng_probe(struct platform_device *pdev)
diff --git a/drivers/clk/at91/clk-h32mx.c b/drivers/clk/at91/clk-h32mx.c
index 61566bcefa53..a165230e7eda 100644
--- a/drivers/clk/at91/clk-h32mx.c
+++ b/drivers/clk/at91/clk-h32mx.c
@@ -116,7 +116,7 @@ void __init of_sama5d4_clk_h32mx_setup(struct device_node *np,
h32mxclk->pmc = pmc;
clk = clk_register(NULL, &h32mxclk->hw);
- if (!clk) {
+ if (IS_ERR(clk)) {
kfree(h32mxclk);
return;
}
diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index 185a4d859638..6029313aa995 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -890,8 +890,14 @@ static void bcm2835_pll_off(struct clk_hw *hw)
struct bcm2835_cprman *cprman = pll->cprman;
const struct bcm2835_pll_data *data = pll->data;
- cprman_write(cprman, data->cm_ctrl_reg, CM_PLL_ANARST);
- cprman_write(cprman, data->a2w_ctrl_reg, A2W_PLL_CTRL_PWRDN);
+ spin_lock(&cprman->regs_lock);
+ cprman_write(cprman, data->cm_ctrl_reg,
+ cprman_read(cprman, data->cm_ctrl_reg) |
+ CM_PLL_ANARST);
+ cprman_write(cprman, data->a2w_ctrl_reg,
+ cprman_read(cprman, data->a2w_ctrl_reg) |
+ A2W_PLL_CTRL_PWRDN);
+ spin_unlock(&cprman->regs_lock);
}
static int bcm2835_pll_on(struct clk_hw *hw)
@@ -901,6 +907,10 @@ static int bcm2835_pll_on(struct clk_hw *hw)
const struct bcm2835_pll_data *data = pll->data;
ktime_t timeout;
+ cprman_write(cprman, data->a2w_ctrl_reg,
+ cprman_read(cprman, data->a2w_ctrl_reg) &
+ ~A2W_PLL_CTRL_PWRDN);
+
/* Take the PLL out of reset. */
cprman_write(cprman, data->cm_ctrl_reg,
cprman_read(cprman, data->cm_ctrl_reg) & ~CM_PLL_ANARST);
@@ -1171,8 +1181,9 @@ static u32 bcm2835_clock_choose_div(struct clk_hw *hw,
div &= ~unused_frac_mask;
}
- /* Clamp to the limits. */
- div = max(div, unused_frac_mask + 1);
+ /* clamp to min divider of 1 */
+ div = max_t(u32, div, 1 << CM_DIV_FRAC_BITS);
+ /* clamp to the highest possible fractional divider */
div = min_t(u32, div, GENMASK(data->int_bits + CM_DIV_FRAC_BITS - 1,
CM_DIV_FRAC_BITS - data->frac_bits));
diff --git a/drivers/clk/imx/clk-imx35.c b/drivers/clk/imx/clk-imx35.c
index a71d24cb4c06..b0978d3b83e2 100644
--- a/drivers/clk/imx/clk-imx35.c
+++ b/drivers/clk/imx/clk-imx35.c
@@ -66,7 +66,7 @@ static const char *std_sel[] = {"ppll", "arm"};
static const char *ipg_per_sel[] = {"ahb_per_div", "arm_per_div"};
enum mx35_clks {
- ckih, ckil, mpll, ppll, mpll_075, arm, hsp, hsp_div, hsp_sel, ahb, ipg,
+ ckih, mpll, ppll, mpll_075, arm, hsp, hsp_div, hsp_sel, ahb, ipg,
arm_per_div, ahb_per_div, ipg_per, uart_sel, uart_div, esdhc_sel,
esdhc1_div, esdhc2_div, esdhc3_div, spdif_sel, spdif_div_pre,
spdif_div_post, ssi_sel, ssi1_div_pre, ssi1_div_post, ssi2_div_pre,
@@ -79,7 +79,7 @@ enum mx35_clks {
rtc_gate, rtic_gate, scc_gate, sdma_gate, spba_gate, spdif_gate,
ssi1_gate, ssi2_gate, uart1_gate, uart2_gate, uart3_gate, usbotg_gate,
wdog_gate, max_gate, admux_gate, csi_gate, csi_div, csi_sel, iim_gate,
- gpu2d_gate, clk_max
+ gpu2d_gate, ckil, clk_max
};
static struct clk *clk[clk_max];
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 17a6dc0e2111..d40b2c077746 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -214,7 +214,7 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv,
tick_broadcast_exit();
}
- if (!cpuidle_state_is_coupled(drv, entered_state))
+ if (!cpuidle_state_is_coupled(drv, index))
local_irq_enable();
diff = ktime_to_us(ktime_sub(time_end, time_start));
@@ -433,6 +433,8 @@ static void __cpuidle_unregister_device(struct cpuidle_device *dev)
list_del(&dev->device_list);
per_cpu(cpuidle_devices, dev->cpu) = NULL;
module_put(drv->owner);
+
+ dev->registered = 0;
}
static void __cpuidle_device_init(struct cpuidle_device *dev)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
index 119cdc2c43e7..7ef2c13921b4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
@@ -194,12 +194,12 @@ int amdgpu_connector_get_monitor_bpc(struct drm_connector *connector)
bpc = 8;
DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
connector->name, bpc);
- } else if (bpc > 8) {
- /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
- DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
- connector->name);
- bpc = 8;
}
+ } else if (bpc > 8) {
+ /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
+ DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
+ connector->name);
+ bpc = 8;
}
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
index 7b7f4aba60c0..fe36caf1b7d7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
@@ -150,7 +150,7 @@ u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev)
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
amdgpu_crtc = to_amdgpu_crtc(crtc);
if (crtc->enabled && amdgpu_crtc->enabled && amdgpu_crtc->hw_mode.clock) {
- vrefresh = amdgpu_crtc->hw_mode.vrefresh;
+ vrefresh = drm_mode_vrefresh(&amdgpu_crtc->hw_mode);
break;
}
}
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index aeee083c7f95..aed2e3f8a1a2 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -150,7 +150,7 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state)
for (i = 0; i < state->num_connector; i++) {
struct drm_connector *connector = state->connectors[i];
- if (!connector)
+ if (!connector || !connector->funcs)
continue;
/*
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 69cbab5e5c81..5ad036741b99 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1899,7 +1899,6 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
int n, int width, int height)
{
int c, o;
- struct drm_device *dev = fb_helper->dev;
struct drm_connector *connector;
const struct drm_connector_helper_funcs *connector_funcs;
struct drm_encoder *encoder;
@@ -1918,7 +1917,7 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
if (modes[n] == NULL)
return best_score;
- crtcs = kzalloc(dev->mode_config.num_connector *
+ crtcs = kzalloc(fb_helper->connector_count *
sizeof(struct drm_fb_helper_crtc *), GFP_KERNEL);
if (!crtcs)
return best_score;
@@ -1964,7 +1963,7 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
if (score > best_score) {
best_score = score;
memcpy(best_crtcs, crtcs,
- dev->mode_config.num_connector *
+ fb_helper->connector_count *
sizeof(struct drm_fb_helper_crtc *));
}
}
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c
index 6b43ae3ffd73..1616af209bfc 100644
--- a/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c
@@ -72,7 +72,7 @@ static const char *const dsi_errors[] = {
"RX Prot Violation",
"HS Generic Write FIFO Full",
"LP Generic Write FIFO Full",
- "Generic Read Data Avail"
+ "Generic Read Data Avail",
"Special Packet Sent",
"Tearing Effect",
};
diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
index 4fd5fdfef6bd..c0c094d5b822 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -362,12 +362,12 @@ static bool intel_fb_initial_config(struct drm_fb_helper *fb_helper,
uint64_t conn_configured = 0, mask;
int pass = 0;
- save_enabled = kcalloc(dev->mode_config.num_connector, sizeof(bool),
+ save_enabled = kcalloc(fb_helper->connector_count, sizeof(bool),
GFP_KERNEL);
if (!save_enabled)
return false;
- memcpy(save_enabled, enabled, dev->mode_config.num_connector);
+ memcpy(save_enabled, enabled, fb_helper->connector_count);
mask = (1 << fb_helper->connector_count) - 1;
retry:
for (i = 0; i < fb_helper->connector_count; i++) {
@@ -501,7 +501,7 @@ retry:
if (fallback) {
bail:
DRM_DEBUG_KMS("Not using firmware configuration\n");
- memcpy(enabled, save_enabled, dev->mode_config.num_connector);
+ memcpy(enabled, save_enabled, fb_helper->connector_count);
kfree(save_enabled);
return false;
}
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 0a68d2ec89dc..62284e45d531 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3880,6 +3880,8 @@ static void ilk_pipe_wm_get_hw_state(struct drm_crtc *crtc)
if (IS_HASWELL(dev) || IS_BROADWELL(dev))
hw->wm_linetime[pipe] = I915_READ(PIPE_WM_LINETIME(pipe));
+ memset(active, 0, sizeof(*active));
+
active->pipe_enabled = intel_crtc->active;
if (active->pipe_enabled) {
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 7b990b4e96d2..5378bdc3bbf9 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -26,6 +26,7 @@
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_of.h>
+#include <video/imx-ipu-v3.h>
#include "imx-drm.h"
@@ -504,6 +505,13 @@ static int compare_of(struct device *dev, void *data)
{
struct device_node *np = data;
+ /* Special case for DI, dev->of_node may not be set yet */
+ if (strcmp(dev->driver->name, "imx-ipuv3-crtc") == 0) {
+ struct ipu_client_platformdata *pdata = dev->platform_data;
+
+ return pdata->of_node == np;
+ }
+
/* Special case for LDB, one device for two channels */
if (of_node_cmp(np->name, "lvds-channel") == 0) {
np = of_get_parent(np);
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index 4ab841eebee1..9b0abd44b751 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -369,7 +369,7 @@ static int ipu_crtc_init(struct ipu_crtc *ipu_crtc,
ret = imx_drm_add_crtc(drm, &ipu_crtc->base, &ipu_crtc->imx_crtc,
&ipu_crtc->plane[0]->base, &ipu_crtc_helper_funcs,
- ipu_crtc->dev->of_node);
+ pdata->of_node);
if (ret) {
dev_err(ipu_crtc->dev, "adding crtc failed with %d.\n", ret);
goto err_put_resources;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 5da5de0cb522..4948c1529836 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -3273,19 +3273,19 @@ static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
&vmw_cmd_dx_cid_check, true, false, true),
VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query,
true, false, true),
- VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_ok,
+ VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check,
true, false, true),
VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query,
true, false, true),
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET,
- &vmw_cmd_ok, true, false, true),
- VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_ok,
+ &vmw_cmd_dx_cid_check, true, false, true),
+ VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check,
true, false, true),
- VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_ok,
+ VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check,
true, false, true),
VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid,
true, false, true),
- VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_invalid,
+ VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check,
true, false, true),
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check,
true, false, true),
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 3b1faf7862a5..679a4cb98ee3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -573,9 +573,9 @@ static int vmw_fb_set_par(struct fb_info *info)
mode = old_mode;
old_mode = NULL;
} else if (!vmw_kms_validate_mode_vram(vmw_priv,
- mode->hdisplay *
- (var->bits_per_pixel + 7) / 8,
- mode->vdisplay)) {
+ mode->hdisplay *
+ DIV_ROUND_UP(var->bits_per_pixel, 8),
+ mode->vdisplay)) {
drm_mode_destroy(vmw_priv->dev, mode);
return -EINVAL;
}
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 0585fd2031dd..5030cba4a581 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -997,7 +997,7 @@ struct ipu_platform_reg {
};
/* These must be in the order of the corresponding device tree port nodes */
-static const struct ipu_platform_reg client_reg[] = {
+static struct ipu_platform_reg client_reg[] = {
{
.pdata = {
.csi = 0,
@@ -1048,7 +1048,7 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
mutex_unlock(&ipu_client_id_mutex);
for (i = 0; i < ARRAY_SIZE(client_reg); i++) {
- const struct ipu_platform_reg *reg = &client_reg[i];
+ struct ipu_platform_reg *reg = &client_reg[i];
struct platform_device *pdev;
struct device_node *of_node;
@@ -1070,6 +1070,7 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
pdev->dev.parent = dev;
+ reg->pdata.of_node = of_node;
ret = platform_device_add_data(pdev, ®->pdata,
sizeof(reg->pdata));
if (!ret)
diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c
index 6c99ee7bafa3..ee396ff167d9 100644
--- a/drivers/hwmon/ads7828.c
+++ b/drivers/hwmon/ads7828.c
@@ -120,6 +120,7 @@ static int ads7828_probe(struct i2c_client *client,
unsigned int vref_mv = ADS7828_INT_VREF_MV;
bool diff_input = false;
bool ext_vref = false;
+ unsigned int regval;
data = devm_kzalloc(dev, sizeof(struct ads7828_data), GFP_KERNEL);
if (!data)
@@ -154,6 +155,15 @@ static int ads7828_probe(struct i2c_client *client,
if (!diff_input)
data->cmd_byte |= ADS7828_CMD_SD_SE;
+ /*
+ * Datasheet specifies internal reference voltage is disabled by
+ * default. The internal reference voltage needs to be enabled and
+ * voltage needs to settle before getting valid ADC data. So perform a
+ * dummy read to enable the internal reference voltage.
+ */
+ if (!ext_vref)
+ regmap_read(data->regmap, data->cmd_byte, ®val);
+
hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
data,
ads7828_groups);
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 5adbcedcb81c..2bb4c8633d3b 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -893,9 +893,15 @@ static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
#ifdef CONFIG_COMPAT
+
+#define UI_SET_PHYS_COMPAT _IOW(UINPUT_IOCTL_BASE, 108, compat_uptr_t)
+
static long uinput_compat_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
+ if (cmd == UI_SET_PHYS_COMPAT)
+ cmd = UI_SET_PHYS;
+
return uinput_ioctl_handler(file, cmd, arg, compat_ptr(arg));
}
#endif
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index f38c076752ce..109f687d1cbd 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -280,7 +280,8 @@ static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user
static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
{
if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_create_buffers32)) ||
- copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)))
+ copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)) ||
+ copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
return -EFAULT;
return __put_v4l2_format32(&kp->format, &up->format);
}
diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c
index 68aa31ae553a..88e80ec772f6 100644
--- a/drivers/mfd/intel-lpss.c
+++ b/drivers/mfd/intel-lpss.c
@@ -33,6 +33,7 @@
#define LPSS_DEV_SIZE 0x200
#define LPSS_PRIV_OFFSET 0x200
#define LPSS_PRIV_SIZE 0x100
+#define LPSS_PRIV_REG_COUNT (LPSS_PRIV_SIZE / 4)
#define LPSS_IDMA64_OFFSET 0x800
#define LPSS_IDMA64_SIZE 0x800
@@ -75,6 +76,7 @@ struct intel_lpss {
const struct mfd_cell *cell;
struct device *dev;
void __iomem *priv;
+ u32 priv_ctx[LPSS_PRIV_REG_COUNT];
int devid;
u32 caps;
u32 active_ltr;
@@ -485,6 +487,16 @@ EXPORT_SYMBOL_GPL(intel_lpss_prepare);
int intel_lpss_suspend(struct device *dev)
{
+ struct intel_lpss *lpss = dev_get_drvdata(dev);
+ unsigned int i;
+
+ /* Save device context */
+ for (i = 0; i < LPSS_PRIV_REG_COUNT; i++)
+ lpss->priv_ctx[i] = readl(lpss->priv + i * 4);
+
+ /* Put the device into reset state */
+ writel(0, lpss->priv + LPSS_PRIV_RESETS);
+
return 0;
}
EXPORT_SYMBOL_GPL(intel_lpss_suspend);
@@ -492,8 +504,13 @@ EXPORT_SYMBOL_GPL(intel_lpss_suspend);
int intel_lpss_resume(struct device *dev)
{
struct intel_lpss *lpss = dev_get_drvdata(dev);
+ unsigned int i;
- intel_lpss_init_dev(lpss);
+ intel_lpss_deassert_reset(lpss);
+
+ /* Restore device context */
+ for (i = 0; i < LPSS_PRIV_REG_COUNT; i++)
+ writel(lpss->priv_ctx[i], lpss->priv + i * 4);
return 0;
}
diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c
index d9e15cf7c6c8..12d6ebb4ae5d 100644
--- a/drivers/mfd/intel_soc_pmic_core.c
+++ b/drivers/mfd/intel_soc_pmic_core.c
@@ -35,6 +35,7 @@ static struct gpiod_lookup_table panel_gpio_table = {
.table = {
/* Panel EN/DISABLE */
GPIO_LOOKUP("gpio_crystalcove", 94, "panel", GPIO_ACTIVE_HIGH),
+ { },
},
};
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 0947cc271e69..531de256d58d 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -1681,6 +1681,10 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
goto err_hif_stop;
}
+ ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
+
+ INIT_LIST_HEAD(&ar->arvifs);
+
/* we don't care about HTT in UTF mode */
if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
status = ath10k_htt_setup(&ar->htt);
@@ -1694,10 +1698,6 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
if (status)
goto err_hif_stop;
- ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
-
- INIT_LIST_HEAD(&ar->arvifs);
-
return 0;
err_hif_stop:
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index 6cc1aa3449c8..1a88a24ffeac 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -1986,7 +1986,12 @@ static ssize_t ath10k_write_pktlog_filter(struct file *file,
goto out;
}
- if (filter && (filter != ar->debug.pktlog_filter)) {
+ if (filter == ar->debug.pktlog_filter) {
+ ret = count;
+ goto out;
+ }
+
+ if (filter) {
ret = ath10k_wmi_pdev_pktlog_enable(ar, filter);
if (ret) {
ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n",
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 95a55405ebf0..1e1bef349487 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -4456,7 +4456,10 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
goto err_vdev_delete;
}
- if (ar->cfg_tx_chainmask) {
+ /* Configuring number of spatial stream for monitor interface is causing
+ * target assert in qca9888 and qca6174.
+ */
+ if (ar->cfg_tx_chainmask && (vif->type != NL80211_IFTYPE_MONITOR)) {
u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
vdev_param = ar->wmi.vdev_param->nss;
@@ -6416,7 +6419,13 @@ ath10k_mac_update_rx_channel(struct ath10k *ar,
def = &vifs[0].new_ctx->def;
ar->rx_channel = def->chan;
- } else if (ctx && ath10k_mac_num_chanctxs(ar) == 0) {
+ } else if ((ctx && ath10k_mac_num_chanctxs(ar) == 0) ||
+ (ctx && (ar->state == ATH10K_STATE_RESTARTED))) {
+ /* During driver restart due to firmware assert, since mac80211
+ * already has valid channel context for given radio, channel
+ * context iteration return num_chanctx > 0. So fix rx_channel
+ * when restart is in progress.
+ */
ar->rx_channel = ctx->def.chan;
} else {
ar->rx_channel = NULL;
diff --git a/drivers/net/wireless/ath/ath5k/led.c b/drivers/net/wireless/ath/ath5k/led.c
index 803030fd17d3..6a2a16856763 100644
--- a/drivers/net/wireless/ath/ath5k/led.c
+++ b/drivers/net/wireless/ath/ath5k/led.c
@@ -77,7 +77,7 @@ static const struct pci_device_id ath5k_led_devices[] = {
/* HP Compaq CQ60-206US (ddreggors@...ptv.com) */
{ ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137a), ATH_LED(3, 1) },
/* HP Compaq C700 (nitrousnrg@...il.com) */
- { ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137b), ATH_LED(3, 1) },
+ { ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137b), ATH_LED(3, 0) },
/* LiteOn AR5BXB63 (magooz@...ug.it) */
{ ATH_SDEVICE(PCI_VENDOR_ID_ATHEROS, 0x3067), ATH_LED(3, 0) },
/* IBM-specific AR5212 (all others) */
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 2e2b92ba96b8..1bdeacf7b257 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -49,6 +49,10 @@ int ath9k_led_blink;
module_param_named(blink, ath9k_led_blink, int, 0444);
MODULE_PARM_DESC(blink, "Enable LED blink on activity");
+static int ath9k_led_active_high = -1;
+module_param_named(led_active_high, ath9k_led_active_high, int, 0444);
+MODULE_PARM_DESC(led_active_high, "Invert LED polarity");
+
static int ath9k_btcoex_enable;
module_param_named(btcoex_enable, ath9k_btcoex_enable, int, 0444);
MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
@@ -600,6 +604,9 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
if (ret)
return ret;
+ if (ath9k_led_active_high != -1)
+ ah->config.led_active_high = ath9k_led_active_high == 1;
+
/*
* Enable WLAN/BT RX Antenna diversity only when:
*
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index e6fef1be9977..7cdaf40c3057 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -28,6 +28,16 @@ static const struct pci_device_id ath_pci_id_table[] = {
{ PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
{ PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI */
{ PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI */
+
+#ifdef CONFIG_ATH9K_PCOEM
+ /* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
+ 0x0029,
+ PCI_VENDOR_ID_ATHEROS,
+ 0x2096),
+ .driver_data = ATH9K_PCI_LED_ACT_HI },
+#endif
+
{ PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
#ifdef CONFIG_ATH9K_PCOEM
diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c
index 0517a4f2d3f2..7a40d8dffa36 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.c
+++ b/drivers/net/wireless/realtek/rtlwifi/base.c
@@ -1660,9 +1660,9 @@ void rtl_watchdog_wq_callback(void *data)
if (((rtlpriv->link_info.num_rx_inperiod +
rtlpriv->link_info.num_tx_inperiod) > 8) ||
(rtlpriv->link_info.num_rx_inperiod > 2))
- rtl_lps_enter(hw);
- else
rtl_lps_leave(hw);
+ else
+ rtl_lps_enter(hw);
}
rtlpriv->link_info.num_rx_inperiod = 0;
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c
index f2b9d11adc9e..e85f1652ce55 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c
@@ -1203,7 +1203,6 @@ static void btc8723b2ant_set_ant_path(struct btc_coexist *btcoexist,
/* Force GNT_BT to low */
btcoexist->btc_write_1byte_bitmask(btcoexist, 0x765, 0x18, 0x0);
- btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0);
if (board_info->btdm_ant_pos == BTC_ANTENNA_AT_MAIN_PORT) {
/* tell firmware "no antenna inverse" */
@@ -1211,19 +1210,25 @@ static void btc8723b2ant_set_ant_path(struct btc_coexist *btcoexist,
h2c_parameter[1] = 1; /* ext switch type */
btcoexist->btc_fill_h2c(btcoexist, 0x65, 2,
h2c_parameter);
+ btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0);
} else {
/* tell firmware "antenna inverse" */
h2c_parameter[0] = 1;
h2c_parameter[1] = 1; /* ext switch type */
btcoexist->btc_fill_h2c(btcoexist, 0x65, 2,
h2c_parameter);
+ btcoexist->btc_write_2byte(btcoexist, 0x948, 0x280);
}
}
/* ext switch setting */
if (use_ext_switch) {
/* fixed internal switch S1->WiFi, S0->BT */
- btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0);
+ if (board_info->btdm_ant_pos == BTC_ANTENNA_AT_MAIN_PORT)
+ btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0);
+ else
+ btcoexist->btc_write_2byte(btcoexist, 0x948, 0x280);
+
switch (antpos_type) {
case BTC_ANT_WIFI_AT_MAIN:
/* ext switch main at wifi */
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
index b2791c893417..babd1490f20c 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
@@ -965,13 +965,38 @@ void exhalbtc_set_chip_type(u8 chip_type)
}
}
-void exhalbtc_set_ant_num(u8 type, u8 ant_num)
+void exhalbtc_set_ant_num(struct rtl_priv *rtlpriv, u8 type, u8 ant_num)
{
if (BT_COEX_ANT_TYPE_PG == type) {
gl_bt_coexist.board_info.pg_ant_num = ant_num;
gl_bt_coexist.board_info.btdm_ant_num = ant_num;
+ /* The antenna position:
+ * Main (default) or Aux for pgAntNum=2 && btdmAntNum =1.
+ * The antenna position should be determined by
+ * auto-detect mechanism.
+ * The following is assumed to main,
+ * and those must be modified
+ * if y auto-detect mechanism is ready
+ */
+ if ((gl_bt_coexist.board_info.pg_ant_num == 2) &&
+ (gl_bt_coexist.board_info.btdm_ant_num == 1))
+ gl_bt_coexist.board_info.btdm_ant_pos =
+ BTC_ANTENNA_AT_MAIN_PORT;
+ else
+ gl_bt_coexist.board_info.btdm_ant_pos =
+ BTC_ANTENNA_AT_MAIN_PORT;
} else if (BT_COEX_ANT_TYPE_ANTDIV == type) {
gl_bt_coexist.board_info.btdm_ant_num = ant_num;
+ gl_bt_coexist.board_info.btdm_ant_pos =
+ BTC_ANTENNA_AT_MAIN_PORT;
+ } else if (type == BT_COEX_ANT_TYPE_DETECTED) {
+ gl_bt_coexist.board_info.btdm_ant_num = ant_num;
+ if (rtlpriv->cfg->mod_params->ant_sel == 1)
+ gl_bt_coexist.board_info.btdm_ant_pos =
+ BTC_ANTENNA_AT_AUX_PORT;
+ else
+ gl_bt_coexist.board_info.btdm_ant_pos =
+ BTC_ANTENNA_AT_MAIN_PORT;
}
}
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
index 0a903ea179ef..f41ca57dd8a7 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
@@ -535,7 +535,7 @@ void exhalbtc_set_bt_patch_version(u16 bt_hci_version, u16 bt_patch_version);
void exhalbtc_update_min_bt_rssi(char bt_rssi);
void exhalbtc_set_bt_exist(bool bt_exist);
void exhalbtc_set_chip_type(u8 chip_type);
-void exhalbtc_set_ant_num(u8 type, u8 ant_num);
+void exhalbtc_set_ant_num(struct rtl_priv *rtlpriv, u8 type, u8 ant_num);
void exhalbtc_display_bt_coex_info(struct btc_coexist *btcoexist);
void exhalbtc_signal_compensation(struct btc_coexist *btcoexist,
u8 *rssi_wifi, u8 *rssi_bt);
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
index b9b0cb7af8ea..d3fd9211b3a4 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
@@ -72,7 +72,10 @@ void rtl_btc_init_hal_vars(struct rtl_priv *rtlpriv)
__func__, bt_type);
exhalbtc_set_chip_type(bt_type);
- exhalbtc_set_ant_num(BT_COEX_ANT_TYPE_PG, ant_num);
+ if (rtlpriv->cfg->mod_params->ant_sel == 1)
+ exhalbtc_set_ant_num(rtlpriv, BT_COEX_ANT_TYPE_DETECTED, 1);
+ else
+ exhalbtc_set_ant_num(rtlpriv, BT_COEX_ANT_TYPE_PG, ant_num);
}
void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv)
diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c
index 7f471bff435c..5b4048041147 100644
--- a/drivers/net/wireless/realtek/rtlwifi/pci.c
+++ b/drivers/net/wireless/realtek/rtlwifi/pci.c
@@ -1573,7 +1573,7 @@ int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw)
true,
HW_DESC_TXBUFF_ADDR),
skb->len, PCI_DMA_TODEVICE);
- kfree_skb(skb);
+ dev_kfree_skb_irq(skb);
ring->idx = (ring->idx + 1) % ring->entries;
}
ring->idx = 0;
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c
index c983d2fe147f..5a3df9198ddf 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c
@@ -2684,6 +2684,7 @@ void rtl8723be_read_bt_coexist_info_from_hwpg(struct ieee80211_hw *hw,
bool auto_load_fail, u8 *hwinfo)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_mod_params *mod_params = rtlpriv->cfg->mod_params;
u8 value;
u32 tmpu_32;
@@ -2702,6 +2703,10 @@ void rtl8723be_read_bt_coexist_info_from_hwpg(struct ieee80211_hw *hw,
rtlpriv->btcoexist.btc_info.ant_num = ANT_X2;
}
+ /* override ant_num / ant_path */
+ if (mod_params->ant_sel)
+ rtlpriv->btcoexist.btc_info.ant_num =
+ (mod_params->ant_sel == 1 ? ANT_X2 : ANT_X1);
}
void rtl8723be_bt_reg_init(struct ieee80211_hw *hw)
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
index a78eaeda0008..2101793438ed 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
@@ -273,6 +273,7 @@ static struct rtl_mod_params rtl8723be_mod_params = {
.msi_support = false,
.disable_watchdog = false,
.debug = DBG_EMERG,
+ .ant_sel = 0,
};
static struct rtl_hal_cfg rtl8723be_hal_cfg = {
@@ -394,6 +395,7 @@ module_param_named(fwlps, rtl8723be_mod_params.fwctrl_lps, bool, 0444);
module_param_named(msi, rtl8723be_mod_params.msi_support, bool, 0444);
module_param_named(disable_watchdog, rtl8723be_mod_params.disable_watchdog,
bool, 0444);
+module_param_named(ant_sel, rtl8723be_mod_params.ant_sel, int, 0444);
MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
@@ -402,6 +404,7 @@ MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 0)\n");
MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)");
MODULE_PARM_DESC(disable_watchdog,
"Set to 1 to disable the watchdog (default 0)\n");
+MODULE_PARM_DESC(ant_sel, "Set to 1 or 2 to force antenna number (default 0)\n");
static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h
index 4544752a2ba8..b6faf624480e 100644
--- a/drivers/net/wireless/realtek/rtlwifi/wifi.h
+++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h
@@ -2252,6 +2252,9 @@ struct rtl_mod_params {
/* default 0: 1 means do not disable interrupts */
bool int_clear;
+
+ /* select antenna */
+ int ant_sel;
};
struct rtl_hal_usbint_cfg {
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 7aafb5fb9336..9757cf9037a2 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -179,9 +179,6 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
u16 orig_cmd;
struct pci_bus_region region, inverted_region;
- if (dev->non_compliant_bars)
- return 0;
-
mask = type ? PCI_ROM_ADDRESS_MASK : ~0;
/* No printks while decoding is disabled! */
@@ -322,6 +319,9 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom)
{
unsigned int pos, reg;
+ if (dev->non_compliant_bars)
+ return;
+
for (pos = 0; pos < howmany; pos++) {
struct resource *res = &dev->resource[pos];
reg = PCI_BASE_ADDRESS_0 + (pos << 2);
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos5440.c b/drivers/pinctrl/samsung/pinctrl-exynos5440.c
index 82dc109f7ed4..3149a877c51f 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos5440.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos5440.c
@@ -107,6 +107,7 @@ struct exynos5440_pmx_func {
* @nr_groups: number of pin groups available.
* @pmx_functions: list of pin functions parsed from device tree.
* @nr_functions: number of pin functions available.
+ * @range: gpio range to register with pinctrl
*/
struct exynos5440_pinctrl_priv_data {
void __iomem *reg_base;
@@ -117,6 +118,7 @@ struct exynos5440_pinctrl_priv_data {
unsigned int nr_groups;
const struct exynos5440_pmx_func *pmx_functions;
unsigned int nr_functions;
+ struct pinctrl_gpio_range range;
};
/**
@@ -742,7 +744,6 @@ static int exynos5440_pinctrl_register(struct platform_device *pdev,
struct pinctrl_desc *ctrldesc;
struct pinctrl_dev *pctl_dev;
struct pinctrl_pin_desc *pindesc, *pdesc;
- struct pinctrl_gpio_range grange;
char *pin_names;
int pin, ret;
@@ -794,12 +795,12 @@ static int exynos5440_pinctrl_register(struct platform_device *pdev,
return PTR_ERR(pctl_dev);
}
- grange.name = "exynos5440-pctrl-gpio-range";
- grange.id = 0;
- grange.base = 0;
- grange.npins = EXYNOS5440_MAX_PINS;
- grange.gc = priv->gc;
- pinctrl_add_gpio_range(pctl_dev, &grange);
+ priv->range.name = "exynos5440-pctrl-gpio-range";
+ priv->range.id = 0;
+ priv->range.base = 0;
+ priv->range.npins = EXYNOS5440_MAX_PINS;
+ priv->range.gc = priv->gc;
+ pinctrl_add_gpio_range(pctl_dev, &priv->range);
return 0;
}
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index d044f3f273be..467773033a20 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -29,6 +29,7 @@ enum {
#define AAC_INT_MODE_MSI (1<<1)
#define AAC_INT_MODE_AIF (1<<2)
#define AAC_INT_MODE_SYNC (1<<3)
+#define AAC_INT_MODE_MSIX (1<<16)
#define AAC_INT_ENABLE_TYPE1_INTX 0xfffffffb
#define AAC_INT_ENABLE_TYPE1_MSIX 0xfffffffa
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 0e954e37f0b5..0d351cd3191b 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -37,6 +37,7 @@
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/blkdev.h>
+#include <linux/delay.h>
#include <linux/completion.h>
#include <linux/mm.h>
#include <scsi/scsi_host.h>
@@ -47,6 +48,20 @@ struct aac_common aac_config = {
.irq_mod = 1
};
+static inline int aac_is_msix_mode(struct aac_dev *dev)
+{
+ u32 status;
+
+ status = src_readl(dev, MUnit.OMR);
+ return (status & AAC_INT_MODE_MSIX);
+}
+
+static inline void aac_change_to_intx(struct aac_dev *dev)
+{
+ aac_src_access_devreg(dev, AAC_DISABLE_MSIX);
+ aac_src_access_devreg(dev, AAC_ENABLE_INTX);
+}
+
static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long commsize, unsigned long commalign)
{
unsigned char *base;
@@ -425,6 +440,15 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
dev->comm_interface = AAC_COMM_PRODUCER;
dev->raw_io_interface = dev->raw_io_64 = 0;
+
+ /*
+ * Enable INTX mode, if not done already Enabled
+ */
+ if (aac_is_msix_mode(dev)) {
+ aac_change_to_intx(dev);
+ dev_info(&dev->pdev->dev, "Changed firmware to INTX mode");
+ }
+
if ((!aac_adapter_sync_cmd(dev, GET_ADAPTER_PROPERTIES,
0, 0, 0, 0, 0, 0,
status+0, status+1, status+2, status+3, NULL)) &&
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 4cbf54928640..8c758c36fc70 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -611,10 +611,10 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
}
return -EFAULT;
}
- /* We used to udelay() here but that absorbed
- * a CPU when a timeout occured. Not very
- * useful. */
- cpu_relax();
+ /*
+ * Allow other processes / CPUS to use core
+ */
+ schedule();
}
} else if (down_interruptible(&fibptr->event_wait)) {
/* Do nothing ... satisfy
@@ -1970,6 +1970,10 @@ int aac_command_thread(void *data)
if (difference <= 0)
difference = 1;
set_current_state(TASK_INTERRUPTIBLE);
+
+ if (kthread_should_stop())
+ break;
+
schedule_timeout(difference);
if (kthread_should_stop())
diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
index 73190f5d2832..71d26c8e1b8f 100644
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c
@@ -1478,6 +1478,9 @@ static const struct of_device_id ucc_uart_match[] = {
.type = "serial",
.compatible = "ucc_uart",
},
+ {
+ .compatible = "fsl,t1040-ucc-uart",
+ },
{},
};
MODULE_DEVICE_TABLE(of, ucc_uart_match);
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 44367783f07a..83ec7b89d308 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -487,7 +487,8 @@ static void eoi_pirq(struct irq_data *data)
if (!VALID_EVTCHN(evtchn))
return;
- if (unlikely(irqd_is_setaffinity_pending(data))) {
+ if (unlikely(irqd_is_setaffinity_pending(data)) &&
+ likely(!irqd_irq_disabled(data))) {
int masked = test_and_set_mask(evtchn);
clear_evtchn(evtchn);
@@ -1370,7 +1371,8 @@ static void ack_dynirq(struct irq_data *data)
if (!VALID_EVTCHN(evtchn))
return;
- if (unlikely(irqd_is_setaffinity_pending(data))) {
+ if (unlikely(irqd_is_setaffinity_pending(data)) &&
+ likely(!irqd_irq_disabled(data))) {
int masked = test_and_set_mask(evtchn);
clear_evtchn(evtchn);
diff --git a/fs/affs/super.c b/fs/affs/super.c
index 5b50c4ca43a7..f90c535703ce 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -528,7 +528,7 @@ affs_remount(struct super_block *sb, int *flags, char *data)
char *prefix = NULL;
new_opts = kstrdup(data, GFP_KERNEL);
- if (!new_opts)
+ if (data && !new_opts)
return -ENOMEM;
pr_debug("%s(flags=0x%x,opts=\"%s\")\n", __func__, *flags, data);
@@ -546,7 +546,8 @@ affs_remount(struct super_block *sb, int *flags, char *data)
}
flush_delayed_work(&sbi->sb_work);
- replace_mount_options(sb, new_opts);
+ if (new_opts)
+ replace_mount_options(sb, new_opts);
sbi->s_flags = mount_flags;
sbi->s_mode = mode;
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 53f2b98a69f3..5388207d2832 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -1143,25 +1143,20 @@ struct inode *ext4_orphan_get(struct super_block *sb, unsigned long ino)
unsigned long max_ino = le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count);
ext4_group_t block_group;
int bit;
- struct buffer_head *bitmap_bh;
+ struct buffer_head *bitmap_bh = NULL;
struct inode *inode = NULL;
- long err = -EIO;
+ int err = -EFSCORRUPTED;
- /* Error cases - e2fsck has already cleaned up for us */
- if (ino > max_ino) {
- ext4_warning(sb, "bad orphan ino %lu! e2fsck was run?", ino);
- err = -EFSCORRUPTED;
- goto error;
- }
+ if (ino < EXT4_FIRST_INO(sb) || ino > max_ino)
+ goto bad_orphan;
block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb);
bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb);
bitmap_bh = ext4_read_inode_bitmap(sb, block_group);
if (IS_ERR(bitmap_bh)) {
- err = PTR_ERR(bitmap_bh);
- ext4_warning(sb, "inode bitmap error %ld for orphan %lu",
- ino, err);
- goto error;
+ ext4_error(sb, "inode bitmap error %ld for orphan %lu",
+ ino, PTR_ERR(bitmap_bh));
+ return (struct inode *) bitmap_bh;
}
/* Having the inode bit set should be a 100% indicator that this
@@ -1172,15 +1167,21 @@ struct inode *ext4_orphan_get(struct super_block *sb, unsigned long ino)
goto bad_orphan;
inode = ext4_iget(sb, ino);
- if (IS_ERR(inode))
- goto iget_failed;
+ if (IS_ERR(inode)) {
+ err = PTR_ERR(inode);
+ ext4_error(sb, "couldn't read orphan inode %lu (err %d)",
+ ino, err);
+ return inode;
+ }
/*
- * If the orphans has i_nlinks > 0 then it should be able to be
- * truncated, otherwise it won't be removed from the orphan list
- * during processing and an infinite loop will result.
+ * If the orphans has i_nlinks > 0 then it should be able to
+ * be truncated, otherwise it won't be removed from the orphan
+ * list during processing and an infinite loop will result.
+ * Similarly, it must not be a bad inode.
*/
- if (inode->i_nlink && !ext4_can_truncate(inode))
+ if ((inode->i_nlink && !ext4_can_truncate(inode)) ||
+ is_bad_inode(inode))
goto bad_orphan;
if (NEXT_ORPHAN(inode) > max_ino)
@@ -1188,29 +1189,25 @@ struct inode *ext4_orphan_get(struct super_block *sb, unsigned long ino)
brelse(bitmap_bh);
return inode;
-iget_failed:
- err = PTR_ERR(inode);
- inode = NULL;
bad_orphan:
- ext4_warning(sb, "bad orphan inode %lu! e2fsck was run?", ino);
- printk(KERN_WARNING "ext4_test_bit(bit=%d, block=%llu) = %d\n",
- bit, (unsigned long long)bitmap_bh->b_blocknr,
- ext4_test_bit(bit, bitmap_bh->b_data));
- printk(KERN_WARNING "inode=%p\n", inode);
+ ext4_error(sb, "bad orphan inode %lu", ino);
+ if (bitmap_bh)
+ printk(KERN_ERR "ext4_test_bit(bit=%d, block=%llu) = %d\n",
+ bit, (unsigned long long)bitmap_bh->b_blocknr,
+ ext4_test_bit(bit, bitmap_bh->b_data));
if (inode) {
- printk(KERN_WARNING "is_bad_inode(inode)=%d\n",
+ printk(KERN_ERR "is_bad_inode(inode)=%d\n",
is_bad_inode(inode));
- printk(KERN_WARNING "NEXT_ORPHAN(inode)=%u\n",
+ printk(KERN_ERR "NEXT_ORPHAN(inode)=%u\n",
NEXT_ORPHAN(inode));
- printk(KERN_WARNING "max_ino=%lu\n", max_ino);
- printk(KERN_WARNING "i_nlink=%u\n", inode->i_nlink);
+ printk(KERN_ERR "max_ino=%lu\n", max_ino);
+ printk(KERN_ERR "i_nlink=%u\n", inode->i_nlink);
/* Avoid freeing blocks if we got a bad deleted inode */
if (inode->i_nlink == 0)
inode->i_blocks = 0;
iput(inode);
}
brelse(bitmap_bh);
-error:
return ERR_PTR(err);
}
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 61eaf74dca37..cf734170daa9 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1259,6 +1259,7 @@ static void ext4_mb_unload_buddy(struct ext4_buddy *e4b)
static int mb_find_order_for_block(struct ext4_buddy *e4b, int block)
{
int order = 1;
+ int bb_incr = 1 << (e4b->bd_blkbits - 1);
void *bb;
BUG_ON(e4b->bd_bitmap == e4b->bd_buddy);
@@ -1271,7 +1272,8 @@ static int mb_find_order_for_block(struct ext4_buddy *e4b, int block)
/* this block is part of buddy of order 'order' */
return order;
}
- bb += 1 << (e4b->bd_blkbits - order);
+ bb += bb_incr;
+ bb_incr >>= 1;
order++;
}
return 0;
@@ -2576,7 +2578,7 @@ int ext4_mb_init(struct super_block *sb)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
unsigned i, j;
- unsigned offset;
+ unsigned offset, offset_incr;
unsigned max;
int ret;
@@ -2605,11 +2607,13 @@ int ext4_mb_init(struct super_block *sb)
i = 1;
offset = 0;
+ offset_incr = 1 << (sb->s_blocksize_bits - 1);
max = sb->s_blocksize << 2;
do {
sbi->s_mb_offsets[i] = offset;
sbi->s_mb_maxs[i] = max;
- offset += 1 << (sb->s_blocksize_bits - i);
+ offset += offset_incr;
+ offset_incr = offset_incr >> 1;
max = max >> 1;
i++;
} while (i <= sb->s_blocksize_bits + 1);
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index a969ab39f302..91bf36f22dbf 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2809,7 +2809,7 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode)
* list entries can cause panics at unmount time.
*/
mutex_lock(&sbi->s_orphan_lock);
- list_del(&EXT4_I(inode)->i_orphan);
+ list_del_init(&EXT4_I(inode)->i_orphan);
mutex_unlock(&sbi->s_orphan_lock);
}
}
diff --git a/fs/pipe.c b/fs/pipe.c
index 42cf8ddf0e55..ab8dad3ccb6a 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -38,6 +38,12 @@ unsigned int pipe_max_size = 1048576;
*/
unsigned int pipe_min_size = PAGE_SIZE;
+/* Maximum allocatable pages per user. Hard limit is unset by default, soft
+ * matches default values.
+ */
+unsigned long pipe_user_pages_hard;
+unsigned long pipe_user_pages_soft = PIPE_DEF_BUFFERS * INR_OPEN_CUR;
+
/*
* We use a start+len construction, which provides full use of the
* allocated memory.
@@ -583,20 +589,49 @@ pipe_fasync(int fd, struct file *filp, int on)
return retval;
}
+static void account_pipe_buffers(struct pipe_inode_info *pipe,
+ unsigned long old, unsigned long new)
+{
+ atomic_long_add(new - old, &pipe->user->pipe_bufs);
+}
+
+static bool too_many_pipe_buffers_soft(struct user_struct *user)
+{
+ return pipe_user_pages_soft &&
+ atomic_long_read(&user->pipe_bufs) >= pipe_user_pages_soft;
+}
+
+static bool too_many_pipe_buffers_hard(struct user_struct *user)
+{
+ return pipe_user_pages_hard &&
+ atomic_long_read(&user->pipe_bufs) >= pipe_user_pages_hard;
+}
+
struct pipe_inode_info *alloc_pipe_info(void)
{
struct pipe_inode_info *pipe;
pipe = kzalloc(sizeof(struct pipe_inode_info), GFP_KERNEL);
if (pipe) {
- pipe->bufs = kzalloc(sizeof(struct pipe_buffer) * PIPE_DEF_BUFFERS, GFP_KERNEL);
+ unsigned long pipe_bufs = PIPE_DEF_BUFFERS;
+ struct user_struct *user = get_current_user();
+
+ if (!too_many_pipe_buffers_hard(user)) {
+ if (too_many_pipe_buffers_soft(user))
+ pipe_bufs = 1;
+ pipe->bufs = kzalloc(sizeof(struct pipe_buffer) * pipe_bufs, GFP_KERNEL);
+ }
+
if (pipe->bufs) {
init_waitqueue_head(&pipe->wait);
pipe->r_counter = pipe->w_counter = 1;
- pipe->buffers = PIPE_DEF_BUFFERS;
+ pipe->buffers = pipe_bufs;
+ pipe->user = user;
+ account_pipe_buffers(pipe, 0, pipe_bufs);
mutex_init(&pipe->mutex);
return pipe;
}
+ free_uid(user);
kfree(pipe);
}
@@ -607,6 +642,8 @@ void free_pipe_info(struct pipe_inode_info *pipe)
{
int i;
+ account_pipe_buffers(pipe, pipe->buffers, 0);
+ free_uid(pipe->user);
for (i = 0; i < pipe->buffers; i++) {
struct pipe_buffer *buf = pipe->bufs + i;
if (buf->ops)
@@ -998,6 +1035,7 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long nr_pages)
memcpy(bufs + head, pipe->bufs, tail * sizeof(struct pipe_buffer));
}
+ account_pipe_buffers(pipe, pipe->buffers, nr_pages);
pipe->curbuf = 0;
kfree(pipe->bufs);
pipe->bufs = bufs;
@@ -1069,6 +1107,11 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
if (!capable(CAP_SYS_RESOURCE) && size > pipe_max_size) {
ret = -EPERM;
goto out;
+ } else if ((too_many_pipe_buffers_hard(pipe->user) ||
+ too_many_pipe_buffers_soft(pipe->user)) &&
+ !capable(CAP_SYS_RESOURCE) && !capable(CAP_SYS_ADMIN)) {
+ ret = -EPERM;
+ goto out;
}
ret = pipe_set_size(pipe, nr_pages);
break;
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 3479294c1d58..e1e7fe3b5424 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -535,6 +535,7 @@ xfs_agfl_write_verify(
}
const struct xfs_buf_ops xfs_agfl_buf_ops = {
+ .name = "xfs_agfl",
.verify_read = xfs_agfl_read_verify,
.verify_write = xfs_agfl_write_verify,
};
@@ -2339,6 +2340,7 @@ xfs_agf_write_verify(
}
const struct xfs_buf_ops xfs_agf_buf_ops = {
+ .name = "xfs_agf",
.verify_read = xfs_agf_read_verify,
.verify_write = xfs_agf_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c
index 90de071dd4c2..eb8bbfe85484 100644
--- a/fs/xfs/libxfs/xfs_alloc_btree.c
+++ b/fs/xfs/libxfs/xfs_alloc_btree.c
@@ -379,6 +379,7 @@ xfs_allocbt_write_verify(
}
const struct xfs_buf_ops xfs_allocbt_buf_ops = {
+ .name = "xfs_allocbt",
.verify_read = xfs_allocbt_read_verify,
.verify_write = xfs_allocbt_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index aa187f7ba2dd..01a5ecfedfcf 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -328,6 +328,7 @@ xfs_attr3_leaf_read_verify(
}
const struct xfs_buf_ops xfs_attr3_leaf_buf_ops = {
+ .name = "xfs_attr3_leaf",
.verify_read = xfs_attr3_leaf_read_verify,
.verify_write = xfs_attr3_leaf_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c
index 5ab95ffa4ae9..f3ed9bf0b065 100644
--- a/fs/xfs/libxfs/xfs_attr_remote.c
+++ b/fs/xfs/libxfs/xfs_attr_remote.c
@@ -201,6 +201,7 @@ xfs_attr3_rmt_write_verify(
}
const struct xfs_buf_ops xfs_attr3_rmt_buf_ops = {
+ .name = "xfs_attr3_rmt",
.verify_read = xfs_attr3_rmt_read_verify,
.verify_write = xfs_attr3_rmt_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index 6b0cf6546a82..1637c37bfbaa 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -720,6 +720,7 @@ xfs_bmbt_write_verify(
}
const struct xfs_buf_ops xfs_bmbt_buf_ops = {
+ .name = "xfs_bmbt",
.verify_read = xfs_bmbt_read_verify,
.verify_write = xfs_bmbt_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
index e89a0f8f827c..097bf7717d80 100644
--- a/fs/xfs/libxfs/xfs_da_btree.c
+++ b/fs/xfs/libxfs/xfs_da_btree.c
@@ -245,6 +245,7 @@ xfs_da3_node_read_verify(
}
const struct xfs_buf_ops xfs_da3_node_buf_ops = {
+ .name = "xfs_da3_node",
.verify_read = xfs_da3_node_read_verify,
.verify_write = xfs_da3_node_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c
index 9c10e2b8cfcb..aa17cb788946 100644
--- a/fs/xfs/libxfs/xfs_dir2_block.c
+++ b/fs/xfs/libxfs/xfs_dir2_block.c
@@ -123,6 +123,7 @@ xfs_dir3_block_write_verify(
}
const struct xfs_buf_ops xfs_dir3_block_buf_ops = {
+ .name = "xfs_dir3_block",
.verify_read = xfs_dir3_block_read_verify,
.verify_write = xfs_dir3_block_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c
index af71a84f343c..725fc7841fde 100644
--- a/fs/xfs/libxfs/xfs_dir2_data.c
+++ b/fs/xfs/libxfs/xfs_dir2_data.c
@@ -305,11 +305,13 @@ xfs_dir3_data_write_verify(
}
const struct xfs_buf_ops xfs_dir3_data_buf_ops = {
+ .name = "xfs_dir3_data",
.verify_read = xfs_dir3_data_read_verify,
.verify_write = xfs_dir3_data_write_verify,
};
static const struct xfs_buf_ops xfs_dir3_data_reada_buf_ops = {
+ .name = "xfs_dir3_data_reada",
.verify_read = xfs_dir3_data_reada_verify,
.verify_write = xfs_dir3_data_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c
index 3923e1f94697..b887fb2a2bcf 100644
--- a/fs/xfs/libxfs/xfs_dir2_leaf.c
+++ b/fs/xfs/libxfs/xfs_dir2_leaf.c
@@ -245,11 +245,13 @@ xfs_dir3_leafn_write_verify(
}
const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops = {
+ .name = "xfs_dir3_leaf1",
.verify_read = xfs_dir3_leaf1_read_verify,
.verify_write = xfs_dir3_leaf1_write_verify,
};
const struct xfs_buf_ops xfs_dir3_leafn_buf_ops = {
+ .name = "xfs_dir3_leafn",
.verify_read = xfs_dir3_leafn_read_verify,
.verify_write = xfs_dir3_leafn_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c
index 70b0cb2fd556..63ee03db796c 100644
--- a/fs/xfs/libxfs/xfs_dir2_node.c
+++ b/fs/xfs/libxfs/xfs_dir2_node.c
@@ -150,6 +150,7 @@ xfs_dir3_free_write_verify(
}
const struct xfs_buf_ops xfs_dir3_free_buf_ops = {
+ .name = "xfs_dir3_free",
.verify_read = xfs_dir3_free_read_verify,
.verify_write = xfs_dir3_free_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c
index 5331b7f0460c..3cc3cf767474 100644
--- a/fs/xfs/libxfs/xfs_dquot_buf.c
+++ b/fs/xfs/libxfs/xfs_dquot_buf.c
@@ -54,7 +54,7 @@ xfs_dqcheck(
xfs_dqid_t id,
uint type, /* used only when IO_dorepair is true */
uint flags,
- char *str)
+ const char *str)
{
xfs_dqblk_t *d = (xfs_dqblk_t *)ddq;
int errs = 0;
@@ -207,7 +207,8 @@ xfs_dquot_buf_verify_crc(
STATIC bool
xfs_dquot_buf_verify(
struct xfs_mount *mp,
- struct xfs_buf *bp)
+ struct xfs_buf *bp,
+ int warn)
{
struct xfs_dqblk *d = (struct xfs_dqblk *)bp->b_addr;
xfs_dqid_t id = 0;
@@ -240,8 +241,7 @@ xfs_dquot_buf_verify(
if (i == 0)
id = be32_to_cpu(ddq->d_id);
- error = xfs_dqcheck(mp, ddq, id + i, 0, XFS_QMOPT_DOWARN,
- "xfs_dquot_buf_verify");
+ error = xfs_dqcheck(mp, ddq, id + i, 0, warn, __func__);
if (error)
return false;
}
@@ -256,7 +256,7 @@ xfs_dquot_buf_read_verify(
if (!xfs_dquot_buf_verify_crc(mp, bp))
xfs_buf_ioerror(bp, -EFSBADCRC);
- else if (!xfs_dquot_buf_verify(mp, bp))
+ else if (!xfs_dquot_buf_verify(mp, bp, XFS_QMOPT_DOWARN))
xfs_buf_ioerror(bp, -EFSCORRUPTED);
if (bp->b_error)
@@ -264,6 +264,25 @@ xfs_dquot_buf_read_verify(
}
/*
+ * readahead errors are silent and simply leave the buffer as !done so a real
+ * read will then be run with the xfs_dquot_buf_ops verifier. See
+ * xfs_inode_buf_verify() for why we use EIO and ~XBF_DONE here rather than
+ * reporting the failure.
+ */
+static void
+xfs_dquot_buf_readahead_verify(
+ struct xfs_buf *bp)
+{
+ struct xfs_mount *mp = bp->b_target->bt_mount;
+
+ if (!xfs_dquot_buf_verify_crc(mp, bp) ||
+ !xfs_dquot_buf_verify(mp, bp, 0)) {
+ xfs_buf_ioerror(bp, -EIO);
+ bp->b_flags &= ~XBF_DONE;
+ }
+}
+
+/*
* we don't calculate the CRC here as that is done when the dquot is flushed to
* the buffer after the update is done. This ensures that the dquot in the
* buffer always has an up-to-date CRC value.
@@ -274,7 +293,7 @@ xfs_dquot_buf_write_verify(
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- if (!xfs_dquot_buf_verify(mp, bp)) {
+ if (!xfs_dquot_buf_verify(mp, bp, XFS_QMOPT_DOWARN)) {
xfs_buf_ioerror(bp, -EFSCORRUPTED);
xfs_verifier_error(bp);
return;
@@ -282,7 +301,13 @@ xfs_dquot_buf_write_verify(
}
const struct xfs_buf_ops xfs_dquot_buf_ops = {
+ .name = "xfs_dquot",
.verify_read = xfs_dquot_buf_read_verify,
.verify_write = xfs_dquot_buf_write_verify,
};
+const struct xfs_buf_ops xfs_dquot_buf_ra_ops = {
+ .name = "xfs_dquot_ra",
+ .verify_read = xfs_dquot_buf_readahead_verify,
+ .verify_write = xfs_dquot_buf_write_verify,
+};
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index 70c1db99f6a7..66d702e6b9ff 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -2572,6 +2572,7 @@ xfs_agi_write_verify(
}
const struct xfs_buf_ops xfs_agi_buf_ops = {
+ .name = "xfs_agi",
.verify_read = xfs_agi_read_verify,
.verify_write = xfs_agi_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index f39b285beb19..6dd44f9ea727 100644
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -304,6 +304,7 @@ xfs_inobt_write_verify(
}
const struct xfs_buf_ops xfs_inobt_buf_ops = {
+ .name = "xfs_inobt",
.verify_read = xfs_inobt_read_verify,
.verify_write = xfs_inobt_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c
index 65485cfc4ade..1aabfda669b0 100644
--- a/fs/xfs/libxfs/xfs_inode_buf.c
+++ b/fs/xfs/libxfs/xfs_inode_buf.c
@@ -68,6 +68,8 @@ xfs_inobp_check(
* recovery and we don't get unnecssary panics on debug kernels. We use EIO here
* because all we want to do is say readahead failed; there is no-one to report
* the error to, so this will distinguish it from a non-ra verifier failure.
+ * Changes to this readahead error behavour also need to be reflected in
+ * xfs_dquot_buf_readahead_verify().
*/
static void
xfs_inode_buf_verify(
@@ -134,11 +136,13 @@ xfs_inode_buf_write_verify(
}
const struct xfs_buf_ops xfs_inode_buf_ops = {
+ .name = "xfs_inode",
.verify_read = xfs_inode_buf_read_verify,
.verify_write = xfs_inode_buf_write_verify,
};
const struct xfs_buf_ops xfs_inode_buf_ra_ops = {
+ .name = "xxfs_inode_ra",
.verify_read = xfs_inode_buf_readahead_verify,
.verify_write = xfs_inode_buf_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_quota_defs.h b/fs/xfs/libxfs/xfs_quota_defs.h
index 1b0a08379759..f51078f1e92a 100644
--- a/fs/xfs/libxfs/xfs_quota_defs.h
+++ b/fs/xfs/libxfs/xfs_quota_defs.h
@@ -153,7 +153,7 @@ typedef __uint16_t xfs_qwarncnt_t;
#define XFS_QMOPT_RESBLK_MASK (XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_RES_RTBLKS)
extern int xfs_dqcheck(struct xfs_mount *mp, xfs_disk_dquot_t *ddq,
- xfs_dqid_t id, uint type, uint flags, char *str);
+ xfs_dqid_t id, uint type, uint flags, const char *str);
extern int xfs_calc_dquots_per_chunk(unsigned int nbblks);
#endif /* __XFS_QUOTA_H__ */
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index a0b071d881a0..8a53eaa349f4 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -679,11 +679,13 @@ xfs_sb_write_verify(
}
const struct xfs_buf_ops xfs_sb_buf_ops = {
+ .name = "xfs_sb",
.verify_read = xfs_sb_read_verify,
.verify_write = xfs_sb_write_verify,
};
const struct xfs_buf_ops xfs_sb_quiet_buf_ops = {
+ .name = "xfs_sb_quiet",
.verify_read = xfs_sb_quiet_read_verify,
.verify_write = xfs_sb_write_verify,
};
diff --git a/fs/xfs/libxfs/xfs_shared.h b/fs/xfs/libxfs/xfs_shared.h
index 5be529707903..15c3ceb845b9 100644
--- a/fs/xfs/libxfs/xfs_shared.h
+++ b/fs/xfs/libxfs/xfs_shared.h
@@ -49,6 +49,7 @@ extern const struct xfs_buf_ops xfs_inobt_buf_ops;
extern const struct xfs_buf_ops xfs_inode_buf_ops;
extern const struct xfs_buf_ops xfs_inode_buf_ra_ops;
extern const struct xfs_buf_ops xfs_dquot_buf_ops;
+extern const struct xfs_buf_ops xfs_dquot_buf_ra_ops;
extern const struct xfs_buf_ops xfs_sb_buf_ops;
extern const struct xfs_buf_ops xfs_sb_quiet_buf_ops;
extern const struct xfs_buf_ops xfs_symlink_buf_ops;
diff --git a/fs/xfs/libxfs/xfs_symlink_remote.c b/fs/xfs/libxfs/xfs_symlink_remote.c
index cb6fd20a4d3d..2e2c6716b623 100644
--- a/fs/xfs/libxfs/xfs_symlink_remote.c
+++ b/fs/xfs/libxfs/xfs_symlink_remote.c
@@ -168,6 +168,7 @@ xfs_symlink_write_verify(
}
const struct xfs_buf_ops xfs_symlink_buf_ops = {
+ .name = "xfs_symlink",
.verify_read = xfs_symlink_read_verify,
.verify_write = xfs_symlink_write_verify,
};
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index c79b717d9b88..c75721acd867 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -132,6 +132,7 @@ struct xfs_buf_map {
struct xfs_buf_map (map) = { .bm_bn = (blkno), .bm_len = (numblk) };
struct xfs_buf_ops {
+ char *name;
void (*verify_read)(struct xfs_buf *);
void (*verify_write)(struct xfs_buf *);
};
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index 74d0e5966ebc..88693a98fac5 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -164,9 +164,9 @@ xfs_verifier_error(
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- xfs_alert(mp, "Metadata %s detected at %pF, block 0x%llx",
+ xfs_alert(mp, "Metadata %s detected at %pF, %s block 0x%llx",
bp->b_error == -EFSBADCRC ? "CRC error" : "corruption",
- __return_address, bp->b_bn);
+ __return_address, bp->b_ops->name, bp->b_bn);
xfs_alert(mp, "Unmount and run xfs_repair");
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index ee3aaa0a5317..ca0d3eb44925 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -243,8 +243,8 @@ xfs_growfs_data_private(
agf->agf_roots[XFS_BTNUM_CNTi] = cpu_to_be32(XFS_CNT_BLOCK(mp));
agf->agf_levels[XFS_BTNUM_BNOi] = cpu_to_be32(1);
agf->agf_levels[XFS_BTNUM_CNTi] = cpu_to_be32(1);
- agf->agf_flfirst = 0;
- agf->agf_fllast = cpu_to_be32(XFS_AGFL_SIZE(mp) - 1);
+ agf->agf_flfirst = cpu_to_be32(1);
+ agf->agf_fllast = 0;
agf->agf_flcount = 0;
tmpsize = agsize - XFS_PREALLOC_BLOCKS(mp);
agf->agf_freeblks = cpu_to_be32(tmpsize);
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 8ee393996b7d..f0ce28cd311d 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -3220,13 +3220,14 @@ xfs_iflush_cluster(
* We need to check under the i_flags_lock for a valid inode
* here. Skip it if it is not valid or the wrong inode.
*/
- spin_lock(&ip->i_flags_lock);
- if (!ip->i_ino ||
+ spin_lock(&iq->i_flags_lock);
+ if (!iq->i_ino ||
+ __xfs_iflags_test(iq, XFS_ISTALE) ||
(XFS_INO_TO_AGINO(mp, iq->i_ino) & mask) != first_index) {
- spin_unlock(&ip->i_flags_lock);
+ spin_unlock(&iq->i_flags_lock);
continue;
}
- spin_unlock(&ip->i_flags_lock);
+ spin_unlock(&iq->i_flags_lock);
/*
* Do an un-protected check to see if the inode is dirty and
@@ -3342,7 +3343,7 @@ xfs_iflush(
struct xfs_buf **bpp)
{
struct xfs_mount *mp = ip->i_mount;
- struct xfs_buf *bp;
+ struct xfs_buf *bp = NULL;
struct xfs_dinode *dip;
int error;
@@ -3384,14 +3385,22 @@ xfs_iflush(
}
/*
- * Get the buffer containing the on-disk inode.
+ * Get the buffer containing the on-disk inode. We are doing a try-lock
+ * operation here, so we may get an EAGAIN error. In that case, we
+ * simply want to return with the inode still dirty.
+ *
+ * If we get any other error, we effectively have a corruption situation
+ * and we cannot flush the inode, so we treat it the same as failing
+ * xfs_iflush_int().
*/
error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &dip, &bp, XBF_TRYLOCK,
0);
- if (error || !bp) {
+ if (error == -EAGAIN) {
xfs_ifunlock(ip);
return error;
}
+ if (error)
+ goto corrupt_out;
/*
* First flush out the inode that xfs_iflush was called with.
@@ -3419,7 +3428,8 @@ xfs_iflush(
return 0;
corrupt_out:
- xfs_buf_relse(bp);
+ if (bp)
+ xfs_buf_relse(bp);
xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
cluster_corrupt_out:
error = -EFSCORRUPTED;
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index c5ecaacdd218..5991cdcb9040 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -3204,6 +3204,7 @@ xlog_recover_dquot_ra_pass2(
struct xfs_disk_dquot *recddq;
struct xfs_dq_logformat *dq_f;
uint type;
+ int len;
if (mp->m_qflags == 0)
@@ -3224,8 +3225,12 @@ xlog_recover_dquot_ra_pass2(
ASSERT(dq_f);
ASSERT(dq_f->qlf_len == 1);
- xfs_buf_readahead(mp->m_ddev_targp, dq_f->qlf_blkno,
- XFS_FSB_TO_BB(mp, dq_f->qlf_len), NULL);
+ len = XFS_FSB_TO_BB(mp, dq_f->qlf_len);
+ if (xlog_peek_buffer_cancelled(log, dq_f->qlf_blkno, len, 0))
+ return;
+
+ xfs_buf_readahead(mp->m_ddev_targp, dq_f->qlf_blkno, len,
+ &xfs_dquot_buf_ra_ops);
}
STATIC void
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 36bd8825bfb0..ef64a1e1a66a 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1233,6 +1233,16 @@ xfs_fs_remount(
return -EINVAL;
}
+ if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&
+ xfs_sb_has_ro_compat_feature(sbp,
+ XFS_SB_FEAT_RO_COMPAT_UNKNOWN)) {
+ xfs_warn(mp,
+"ro->rw transition prohibited on unknown (0x%x) ro-compat filesystem",
+ (sbp->sb_features_ro_compat &
+ XFS_SB_FEAT_RO_COMPAT_UNKNOWN));
+ return -EINVAL;
+ }
+
mp->m_flags &= ~XFS_MOUNT_RDONLY;
/*
diff --git a/include/linux/mm.h b/include/linux/mm.h
index fb8b20e5d021..f24df9c0b9df 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1696,7 +1696,7 @@ extern void free_highmem_page(struct page *page);
extern void adjust_managed_page_count(struct page *page, long count);
extern void mem_init_print_info(const char *str);
-extern void reserve_bootmem_region(unsigned long start, unsigned long end);
+extern void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
/* Free the reserved page into the buddy system, so it gets managed. */
static inline void __free_reserved_page(struct page *page)
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index eb8b8ac6df3c..24f5470d3944 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -42,6 +42,7 @@ struct pipe_buffer {
* @fasync_readers: reader side fasync
* @fasync_writers: writer side fasync
* @bufs: the circular array of pipe buffers
+ * @user: the user who created this pipe
**/
struct pipe_inode_info {
struct mutex mutex;
@@ -57,6 +58,7 @@ struct pipe_inode_info {
struct fasync_struct *fasync_readers;
struct fasync_struct *fasync_writers;
struct pipe_buffer *bufs;
+ struct user_struct *user;
};
/*
@@ -123,6 +125,8 @@ void pipe_unlock(struct pipe_inode_info *);
void pipe_double_lock(struct pipe_inode_info *, struct pipe_inode_info *);
extern unsigned int pipe_max_size, pipe_min_size;
+extern unsigned long pipe_user_pages_hard;
+extern unsigned long pipe_user_pages_soft;
int pipe_proc_fn(struct ctl_table *, int, void __user *, size_t *, loff_t *);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 21a6e9649012..1c0193baea2a 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -831,6 +831,7 @@ struct user_struct {
#endif
unsigned long locked_shm; /* How many pages of mlocked shm ? */
unsigned long unix_inflight; /* How many files in flight in unix sockets */
+ atomic_long_t pipe_bufs; /* how many pages are allocated in pipe buffers */
#ifdef CONFIG_KEYS
struct key *uid_keyring; /* UID specific keyring */
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index eeba75395f7d..c8529ce28a3f 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -16,6 +16,7 @@
#include <linux/videodev2.h>
#include <linux/bitmap.h>
#include <linux/fb.h>
+#include <linux/of.h>
#include <media/v4l2-mediabus.h>
#include <video/videomode.h>
@@ -344,6 +345,7 @@ struct ipu_client_platformdata {
int dc;
int dp;
int dma[2];
+ struct device_node *of_node;
};
#endif /* __DRM_IPU_H__ */
diff --git a/kernel/exit.c b/kernel/exit.c
index 07110c6020a0..ffba5df4abd5 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -918,17 +918,28 @@ static int eligible_pid(struct wait_opts *wo, struct task_struct *p)
task_pid_type(p, wo->wo_type) == wo->wo_pid;
}
-static int eligible_child(struct wait_opts *wo, struct task_struct *p)
+static int
+eligible_child(struct wait_opts *wo, bool ptrace, struct task_struct *p)
{
if (!eligible_pid(wo, p))
return 0;
- /* Wait for all children (clone and not) if __WALL is set;
- * otherwise, wait for clone children *only* if __WCLONE is
- * set; otherwise, wait for non-clone children *only*. (Note:
- * A "clone" child here is one that reports to its parent
- * using a signal other than SIGCHLD.) */
- if (((p->exit_signal != SIGCHLD) ^ !!(wo->wo_flags & __WCLONE))
- && !(wo->wo_flags & __WALL))
+
+ /*
+ * Wait for all children (clone and not) if __WALL is set or
+ * if it is traced by us.
+ */
+ if (ptrace || (wo->wo_flags & __WALL))
+ return 1;
+
+ /*
+ * Otherwise, wait for clone children *only* if __WCLONE is set;
+ * otherwise, wait for non-clone children *only*.
+ *
+ * Note: a "clone" child here is one that reports to its parent
+ * using a signal other than SIGCHLD, or a non-leader thread which
+ * we can only see if it is traced by us.
+ */
+ if ((p->exit_signal != SIGCHLD) ^ !!(wo->wo_flags & __WCLONE))
return 0;
return 1;
@@ -1301,7 +1312,7 @@ static int wait_consider_task(struct wait_opts *wo, int ptrace,
if (unlikely(exit_state == EXIT_DEAD))
return 0;
- ret = eligible_child(wo, p);
+ ret = eligible_child(wo, ptrace, p);
if (!ret)
return ret;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index dc6858d6639e..2781141a89f9 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1735,6 +1735,20 @@ static struct ctl_table fs_table[] = {
.proc_handler = &pipe_proc_fn,
.extra1 = &pipe_min_size,
},
+ {
+ .procname = "pipe-user-pages-hard",
+ .data = &pipe_user_pages_hard,
+ .maxlen = sizeof(pipe_user_pages_hard),
+ .mode = 0644,
+ .proc_handler = proc_doulongvec_minmax,
+ },
+ {
+ .procname = "pipe-user-pages-soft",
+ .data = &pipe_user_pages_soft,
+ .maxlen = sizeof(pipe_user_pages_soft),
+ .mode = 0644,
+ .proc_handler = proc_doulongvec_minmax,
+ },
{ }
};
diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 4a1515f4b452..51a76af25c66 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -657,9 +657,9 @@ static struct dma_debug_entry *dma_entry_alloc(void)
spin_lock_irqsave(&free_entries_lock, flags);
if (list_empty(&free_entries)) {
- pr_err("DMA-API: debugging out of memory - disabling\n");
global_disable = true;
spin_unlock_irqrestore(&free_entries_lock, flags);
+ pr_err("DMA-API: debugging out of memory - disabling\n");
return NULL;
}
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6cf5cadeaef7..99c1738684ec 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -951,7 +951,7 @@ static inline void init_reserved_page(unsigned long pfn)
* marks the pages PageReserved. The remaining valid pages are later
* sent to the buddy page allocator.
*/
-void __meminit reserve_bootmem_region(unsigned long start, unsigned long end)
+void __meminit reserve_bootmem_region(phys_addr_t start, phys_addr_t end)
{
unsigned long start_pfn = PFN_DOWN(start);
unsigned long end_pfn = PFN_UP(end);
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 1095be9c80ab..4605dc73def6 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -857,8 +857,8 @@ unwrap_integ_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct g
goto out;
if (svc_getnl(&buf->head[0]) != seq)
goto out;
- /* trim off the mic at the end before returning */
- xdr_buf_trim(buf, mic.len + 4);
+ /* trim off the mic and padding at the end before returning */
+ xdr_buf_trim(buf, round_up_to_quad(mic.len) + 4);
stat = 0;
out:
kfree(mic.data);
diff --git a/scripts/package/Makefile b/scripts/package/Makefile
index 1aca224e8597..493e226356ca 100644
--- a/scripts/package/Makefile
+++ b/scripts/package/Makefile
@@ -52,7 +52,7 @@ rpm-pkg rpm: FORCE
$(call cmd,src_tar,$(KERNELPATH),kernel.spec)
$(CONFIG_SHELL) $(srctree)/scripts/mkversion > $(objtree)/.tmp_version
mv -f $(objtree)/.tmp_version $(objtree)/.version
- rpmbuild --target $(UTS_MACHINE) -ta $(KERNELPATH).tar.gz
+ rpmbuild $(RPMOPTS) --target $(UTS_MACHINE) -ta $(KERNELPATH).tar.gz
rm $(KERNELPATH).tar.gz kernel.spec
# binrpm-pkg
@@ -63,7 +63,7 @@ binrpm-pkg: FORCE
$(CONFIG_SHELL) $(srctree)/scripts/mkversion > $(objtree)/.tmp_version
mv -f $(objtree)/.tmp_version $(objtree)/.version
- rpmbuild --define "_builddir $(objtree)" --target \
+ rpmbuild $(RPMOPTS) --define "_builddir $(objtree)" --target \
$(UTS_MACHINE) -bb $(objtree)/binkernel.spec
rm binkernel.spec
diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
index cda27c22812a..eb8fe212e163 100644
--- a/sound/soc/codecs/ak4642.c
+++ b/sound/soc/codecs/ak4642.c
@@ -560,6 +560,7 @@ static const struct regmap_config ak4642_regmap = {
.max_register = FIL1_3,
.reg_defaults = ak4642_reg,
.num_reg_defaults = NUM_AK4642_REG_DEFAULTS,
+ .cache_type = REGCACHE_RBTREE,
};
static const struct regmap_config ak4643_regmap = {
@@ -568,6 +569,7 @@ static const struct regmap_config ak4643_regmap = {
.max_register = SPK_MS,
.reg_defaults = ak4643_reg,
.num_reg_defaults = ARRAY_SIZE(ak4643_reg),
+ .cache_type = REGCACHE_RBTREE,
};
static const struct regmap_config ak4648_regmap = {
@@ -576,6 +578,7 @@ static const struct regmap_config ak4648_regmap = {
.max_register = EQ_FBEQE,
.reg_defaults = ak4648_reg,
.num_reg_defaults = ARRAY_SIZE(ak4648_reg),
+ .cache_type = REGCACHE_RBTREE,
};
static const struct ak4642_drvdata ak4642_drvdata = {
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