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Date: Thu, 5 Jan 2012 15:35:03 +0100
From: Ingo Molnar <mingo@...e.hu>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
Thomas Gleixner <tglx@...utronix.de>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: [GIT PULL] x86/cleanup changes for v3.3
Linus,
Please pull the latest x86-cleanups-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-cleanups-for-linus
Thanks,
Ingo
------------------>
Borislav Petkov (1):
x86, CPU: Drop superfluous get_cpu_cap() prototype
Ferenc Wagner (1):
x86: Replace the EVT_TO_HPET_DEV() macro with an inline function
H Hartley Sweeten (2):
arch/x86/kernel/ptrace.c: Quiet sparse noise
arch/x86/mm/pageattr.c: Quiet sparse noise; local functions should be static
Jesper Juhl (2):
x86: Use "do { } while(0)" for empty flush_tlb_fix_spurious_fault() macro
x86: Use "do { } while(0)" for empty lock_cmos()/unlock_cmos() macros
Thomas Meyer (1):
x86: Use kmemdup() in copy_thread(), rather than duplicating its implementation
arch/x86/include/asm/mc146818rtc.h | 4 ++--
arch/x86/include/asm/pgtable.h | 2 +-
arch/x86/kernel/cpu/cpu.h | 5 +----
arch/x86/kernel/hpet.c | 7 +++++--
arch/x86/kernel/process_64.c | 5 ++---
arch/x86/kernel/ptrace.c | 3 ++-
arch/x86/mm/pageattr.c | 2 +-
7 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/arch/x86/include/asm/mc146818rtc.h b/arch/x86/include/asm/mc146818rtc.h
index 01fdf56..0e8e85b 100644
--- a/arch/x86/include/asm/mc146818rtc.h
+++ b/arch/x86/include/asm/mc146818rtc.h
@@ -81,8 +81,8 @@ static inline unsigned char current_lock_cmos_reg(void)
#else
#define lock_cmos_prefix(reg) do {} while (0)
#define lock_cmos_suffix(reg) do {} while (0)
-#define lock_cmos(reg)
-#define unlock_cmos()
+#define lock_cmos(reg) do { } while (0)
+#define unlock_cmos() do { } while (0)
#define do_i_have_lock_cmos() 0
#define current_lock_cmos_reg() 0
#endif
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 18601c8..49afb3f 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -703,7 +703,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm,
pte_update(mm, addr, ptep);
}
-#define flush_tlb_fix_spurious_fault(vma, address)
+#define flush_tlb_fix_spurious_fault(vma, address) do { } while (0)
#define mk_pmd(page, pgprot) pfn_pmd(page_to_pfn(page), (pgprot))
diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h
index 1b22dcc..8bacc78 100644
--- a/arch/x86/kernel/cpu/cpu.h
+++ b/arch/x86/kernel/cpu/cpu.h
@@ -1,5 +1,4 @@
#ifndef ARCH_X86_CPU_H
-
#define ARCH_X86_CPU_H
struct cpu_model_info {
@@ -35,6 +34,4 @@ extern const struct cpu_dev *const __x86_cpu_dev_start[],
extern void get_cpu_cap(struct cpuinfo_x86 *c);
extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
-extern void get_cpu_cap(struct cpuinfo_x86 *c);
-
-#endif
+#endif /* ARCH_X86_CPU_H */
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index b946a9e..52aae9a 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -32,8 +32,6 @@
#define HPET_MIN_CYCLES 128
#define HPET_MIN_PROG_DELTA (HPET_MIN_CYCLES + (HPET_MIN_CYCLES >> 1))
-#define EVT_TO_HPET_DEV(evt) container_of(evt, struct hpet_dev, evt)
-
/*
* HPET address is set in acpi/boot.c, when an ACPI entry exists
*/
@@ -55,6 +53,11 @@ struct hpet_dev {
char name[10];
};
+inline struct hpet_dev *EVT_TO_HPET_DEV(struct clock_event_device *evtdev)
+{
+ return container_of(evtdev, struct hpet_dev, evt);
+}
+
inline unsigned int hpet_readl(unsigned int a)
{
return readl(hpet_virt_address + a);
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 3bd7e6e..d2c1f62 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -293,13 +293,12 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps));
if (unlikely(test_tsk_thread_flag(me, TIF_IO_BITMAP))) {
- p->thread.io_bitmap_ptr = kmalloc(IO_BITMAP_BYTES, GFP_KERNEL);
+ p->thread.io_bitmap_ptr = kmemdup(me->thread.io_bitmap_ptr,
+ IO_BITMAP_BYTES, GFP_KERNEL);
if (!p->thread.io_bitmap_ptr) {
p->thread.io_bitmap_max = 0;
return -ENOMEM;
}
- memcpy(p->thread.io_bitmap_ptr, me->thread.io_bitmap_ptr,
- IO_BITMAP_BYTES);
set_tsk_thread_flag(p, TIF_IO_BITMAP);
}
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 8252879..89a04c7 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -749,7 +749,8 @@ put:
/*
* Handle PTRACE_POKEUSR calls for the debug register area.
*/
-int ptrace_set_debugreg(struct task_struct *tsk, int n, unsigned long val)
+static int ptrace_set_debugreg(struct task_struct *tsk, int n,
+ unsigned long val)
{
struct thread_struct *thread = &(tsk->thread);
int rc = 0;
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index f9e5267..eda2acb 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -998,7 +998,7 @@ out_err:
}
EXPORT_SYMBOL(set_memory_uc);
-int _set_memory_array(unsigned long *addr, int addrinarray,
+static int _set_memory_array(unsigned long *addr, int addrinarray,
unsigned long new_type)
{
int i, j;
--
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