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Message-ID: <1339132169.21665.113.camel@deadeye.wl.decadent.org.uk>
Date: Fri, 08 Jun 2012 06:09:29 +0100
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org
Cc: stable@...r.kernel.org, torvalds@...ux-foundation.org,
akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk
Subject: Re: [ 00/82] 3.2.20-stable review
diff --git a/Makefile b/Makefile
index c291184..be9129e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 2
-SUBLEVEL = 19
-EXTRAVERSION =
+SUBLEVEL = 20
+EXTRAVERSION = -rc1
NAME = Saber-toothed Squirrel
# *DOCUMENTATION*
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ef642a0..987c72d 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -520,7 +520,7 @@ config ARCH_IXP4XX
depends on MMU
select CLKSRC_MMIO
select CPU_XSCALE
- select GENERIC_GPIO
+ select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
select HAVE_SCHED_CLOCK
select MIGHT_HAVE_PCI
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index b86a005..caf28fc 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -29,6 +29,7 @@
#include <linux/clockchips.h>
#include <linux/io.h>
#include <linux/export.h>
+#include <linux/gpio.h>
#include <mach/udc.h>
#include <mach/hardware.h>
@@ -106,7 +107,7 @@ static signed char irq2gpio[32] = {
7, 8, 9, 10, 11, 12, -1, -1,
};
-int gpio_to_irq(int gpio)
+static int ixp4xx_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
{
int irq;
@@ -116,7 +117,6 @@ int gpio_to_irq(int gpio)
}
return -EINVAL;
}
-EXPORT_SYMBOL(gpio_to_irq);
int irq_to_gpio(unsigned int irq)
{
@@ -376,12 +376,56 @@ static struct platform_device *ixp46x_devices[] __initdata = {
unsigned long ixp4xx_exp_bus_size;
EXPORT_SYMBOL(ixp4xx_exp_bus_size);
+static int ixp4xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+ gpio_line_config(gpio, IXP4XX_GPIO_IN);
+
+ return 0;
+}
+
+static int ixp4xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
+ int level)
+{
+ gpio_line_set(gpio, level);
+ gpio_line_config(gpio, IXP4XX_GPIO_OUT);
+
+ return 0;
+}
+
+static int ixp4xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+ int value;
+
+ gpio_line_get(gpio, &value);
+
+ return value;
+}
+
+static void ixp4xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio,
+ int value)
+{
+ gpio_line_set(gpio, value);
+}
+
+static struct gpio_chip ixp4xx_gpio_chip = {
+ .label = "IXP4XX_GPIO_CHIP",
+ .direction_input = ixp4xx_gpio_direction_input,
+ .direction_output = ixp4xx_gpio_direction_output,
+ .get = ixp4xx_gpio_get_value,
+ .set = ixp4xx_gpio_set_value,
+ .to_irq = ixp4xx_gpio_to_irq,
+ .base = 0,
+ .ngpio = 16,
+};
+
void __init ixp4xx_sys_init(void)
{
ixp4xx_exp_bus_size = SZ_16M;
platform_add_devices(ixp4xx_devices, ARRAY_SIZE(ixp4xx_devices));
+ gpiochip_add(&ixp4xx_gpio_chip);
+
if (cpu_is_ixp46x()) {
int region;
diff --git a/arch/arm/mach-ixp4xx/include/mach/gpio.h b/arch/arm/mach-ixp4xx/include/mach/gpio.h
index 83d6b4e..ef37f26 100644
--- a/arch/arm/mach-ixp4xx/include/mach/gpio.h
+++ b/arch/arm/mach-ixp4xx/include/mach/gpio.h
@@ -1,79 +1,2 @@
-/*
- * arch/arm/mach-ixp4xx/include/mach/gpio.h
- *
- * IXP4XX GPIO wrappers for arch-neutral GPIO calls
- *
- * Written by Milan Svoboda <msvoboda@...rockwell.com>
- * Based on PXA implementation by Philipp Zabel <philipp.zabel@...il.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef __ASM_ARCH_IXP4XX_GPIO_H
-#define __ASM_ARCH_IXP4XX_GPIO_H
-
-#include <linux/kernel.h>
-#include <mach/hardware.h>
-
-#define __ARM_GPIOLIB_COMPLEX
-
-static inline int gpio_request(unsigned gpio, const char *label)
-{
- return 0;
-}
-
-static inline void gpio_free(unsigned gpio)
-{
- might_sleep();
-
- return;
-}
-
-static inline int gpio_direction_input(unsigned gpio)
-{
- gpio_line_config(gpio, IXP4XX_GPIO_IN);
- return 0;
-}
-
-static inline int gpio_direction_output(unsigned gpio, int level)
-{
- gpio_line_set(gpio, level);
- gpio_line_config(gpio, IXP4XX_GPIO_OUT);
- return 0;
-}
-
-static inline int gpio_get_value(unsigned gpio)
-{
- int value;
-
- gpio_line_get(gpio, &value);
-
- return value;
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
- gpio_line_set(gpio, value);
-}
-
-#include <asm-generic/gpio.h> /* cansleep wrappers */
-
-extern int gpio_to_irq(int gpio);
-#define gpio_to_irq gpio_to_irq
-extern int irq_to_gpio(unsigned int irq);
-
-#endif
+/* empty */
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index e446bab..a93ed04 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -46,7 +46,7 @@ config GENERIC_CLOCKEVENTS
def_bool y
config GENERIC_GPIO
- def_bool y
+ bool
config GENERIC_CSUM
def_bool y
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
index 3999ec0..67d1ce0 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
@@ -2,6 +2,7 @@
#define BCM63XX_GPIO_H
#include <linux/init.h>
+#include <bcm63xx_cpu.h>
int __init bcm63xx_gpio_init(void);
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 5350342..07ef351 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -552,7 +552,7 @@
* entry (identifying the physical page) and %r23 up with
* the from tlb entry (or nothing if only a to entry---for
* clear_user_page_asm) */
- .macro do_alias spc,tmp,tmp1,va,pte,prot,fault
+ .macro do_alias spc,tmp,tmp1,va,pte,prot,fault,patype
cmpib,COND(<>),n 0,\spc,\fault
ldil L%(TMPALIAS_MAP_START),\tmp
#if defined(CONFIG_64BIT) && (TMPALIAS_MAP_START >= 0x80000000)
@@ -581,11 +581,15 @@
*/
cmpiclr,= 0x01,\tmp,%r0
ldi (_PAGE_DIRTY|_PAGE_READ|_PAGE_WRITE),\prot
-#ifdef CONFIG_64BIT
+.ifc \patype,20
depd,z \prot,8,7,\prot
-#else
+.else
+.ifc \patype,11
depw,z \prot,8,7,\prot
-#endif
+.else
+ .error "undefined PA type to do_alias"
+.endif
+.endif
/*
* OK, it is in the temp alias region, check whether "from" or "to".
* Check "subtle" note in pacache.S re: r23/r26.
@@ -1189,7 +1193,7 @@ dtlb_miss_20w:
nop
dtlb_check_alias_20w:
- do_alias spc,t0,t1,va,pte,prot,dtlb_fault
+ do_alias spc,t0,t1,va,pte,prot,dtlb_fault,20
idtlbt pte,prot
@@ -1213,7 +1217,7 @@ nadtlb_miss_20w:
nop
nadtlb_check_alias_20w:
- do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate
+ do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate,20
idtlbt pte,prot
@@ -1245,7 +1249,7 @@ dtlb_miss_11:
nop
dtlb_check_alias_11:
- do_alias spc,t0,t1,va,pte,prot,dtlb_fault
+ do_alias spc,t0,t1,va,pte,prot,dtlb_fault,11
idtlba pte,(va)
idtlbp prot,(va)
@@ -1277,7 +1281,7 @@ nadtlb_miss_11:
nop
nadtlb_check_alias_11:
- do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate
+ do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate,11
idtlba pte,(va)
idtlbp prot,(va)
@@ -1304,7 +1308,7 @@ dtlb_miss_20:
nop
dtlb_check_alias_20:
- do_alias spc,t0,t1,va,pte,prot,dtlb_fault
+ do_alias spc,t0,t1,va,pte,prot,dtlb_fault,20
idtlbt pte,prot
@@ -1330,7 +1334,7 @@ nadtlb_miss_20:
nop
nadtlb_check_alias_20:
- do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate
+ do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate,20
idtlbt pte,prot
@@ -1457,7 +1461,7 @@ naitlb_miss_20w:
nop
naitlb_check_alias_20w:
- do_alias spc,t0,t1,va,pte,prot,naitlb_fault
+ do_alias spc,t0,t1,va,pte,prot,naitlb_fault,20
iitlbt pte,prot
@@ -1511,7 +1515,7 @@ naitlb_miss_11:
nop
naitlb_check_alias_11:
- do_alias spc,t0,t1,va,pte,prot,itlb_fault
+ do_alias spc,t0,t1,va,pte,prot,itlb_fault,11
iitlba pte,(%sr0, va)
iitlbp prot,(%sr0, va)
@@ -1557,7 +1561,7 @@ naitlb_miss_20:
nop
naitlb_check_alias_20:
- do_alias spc,t0,t1,va,pte,prot,naitlb_fault
+ do_alias spc,t0,t1,va,pte,prot,naitlb_fault,20
iitlbt pte,prot
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index fa6f2b8..64a9998 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -50,8 +50,10 @@ SECTIONS
. = KERNEL_BINARY_TEXT_START;
_text = .; /* Text and read-only data */
- .text ALIGN(16) : {
+ .head ALIGN(16) : {
HEAD_TEXT
+ } = 0
+ .text ALIGN(16) : {
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
@@ -65,7 +67,7 @@ SECTIONS
*(.fixup)
*(.lock.text) /* out-of-line lock text */
*(.gnu.warning)
- } = 0
+ }
/* End of text section */
_etext = .;
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index e7c920b..cca659e 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -982,7 +982,10 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = {
.wbinvd = native_wbinvd,
.read_msr = native_read_msr_safe,
+ .rdmsr_regs = native_rdmsr_safe_regs,
.write_msr = xen_write_msr_safe,
+ .wrmsr_regs = native_wrmsr_safe_regs,
+
.read_tsc = native_read_tsc,
.read_pmc = native_read_pmc,
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 7711d94..5535477 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -643,11 +643,19 @@ static int acpi_battery_update(struct acpi_battery *battery)
static void acpi_battery_refresh(struct acpi_battery *battery)
{
+ int power_unit;
+
if (!battery->bat.dev)
return;
+ power_unit = battery->power_unit;
+
acpi_battery_get_info(battery);
- /* The battery may have changed its reporting units. */
+
+ if (power_unit == battery->power_unit)
+ return;
+
+ /* The battery has changed its reporting units. */
sysfs_remove_battery(battery);
sysfs_add_battery(battery);
}
diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index 5d1d076..d452592 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -984,6 +984,7 @@ static uint32_t fpga_tx(struct solos_card *card)
} else if (skb && card->using_dma) {
SKB_CB(skb)->dma_addr = pci_map_single(card->dev, skb->data,
skb->len, PCI_DMA_TODEVICE);
+ card->tx_skb[port] = skb;
iowrite32(SKB_CB(skb)->dma_addr,
card->config_regs + TX_DMA_ADDR(port));
}
@@ -1152,7 +1153,8 @@ static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id)
db_fpga_upgrade = db_firmware_upgrade = 0;
}
- if (card->fpga_version >= DMA_SUPPORTED){
+ if (card->fpga_version >= DMA_SUPPORTED) {
+ pci_set_master(dev);
card->using_dma = 1;
} else {
card->using_dma = 0;
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index 99fefbd..f1bd44f 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -74,10 +74,15 @@ static struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x0CF3, 0x311D) },
{ USB_DEVICE(0x13d3, 0x3375) },
{ USB_DEVICE(0x04CA, 0x3005) },
+ { USB_DEVICE(0x13d3, 0x3362) },
+ { USB_DEVICE(0x0CF3, 0xE004) },
/* Atheros AR5BBU12 with sflash firmware */
{ USB_DEVICE(0x0489, 0xE02C) },
+ /* Atheros AR5BBU22 with sflash firmware */
+ { USB_DEVICE(0x0489, 0xE03C) },
+
{ } /* Terminating entry */
};
@@ -93,6 +98,11 @@ static struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
+
+ /* Atheros AR5BBU22 with sflash firmware */
+ { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
{ } /* Terminating entry */
};
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index e56da6a..fc4bcd6 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -61,7 +61,7 @@ static struct usb_device_id btusb_table[] = {
{ USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
/* Broadcom SoftSailing reporting vendor specific */
- { USB_DEVICE(0x05ac, 0x21e1) },
+ { USB_DEVICE(0x0a5c, 0x21e1) },
/* Apple MacBookPro 7,1 */
{ USB_DEVICE(0x05ac, 0x8213) },
@@ -101,9 +101,16 @@ static struct usb_device_id btusb_table[] = {
{ USB_DEVICE(0x0c10, 0x0000) },
/* Broadcom BCM20702A0 */
+ { USB_DEVICE(0x0489, 0xe042) },
{ USB_DEVICE(0x0a5c, 0x21e3) },
+ { USB_DEVICE(0x0a5c, 0x21e6) },
+ { USB_DEVICE(0x0a5c, 0x21e8) },
+ { USB_DEVICE(0x0a5c, 0x21f3) },
{ USB_DEVICE(0x413c, 0x8197) },
+ /* Foxconn - Hon Hai */
+ { USB_DEVICE(0x0489, 0xe033) },
+
{ } /* Terminating entry */
};
@@ -130,10 +137,15 @@ static struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
/* Atheros AR5BBU12 with sflash firmware */
{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
+ /* Atheros AR5BBU12 with sflash firmware */
+ { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
+
/* Broadcom BCM2035 */
{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a1d53b6..06ec1e5 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3533,7 +3533,11 @@
#define GEN6_CAGF_MASK (0x7f << GEN6_CAGF_SHIFT)
#define GEN6_RP_CONTROL 0xA024
#define GEN6_RP_MEDIA_TURBO (1<<11)
-#define GEN6_RP_USE_NORMAL_FREQ (1<<9)
+#define GEN6_RP_MEDIA_MODE_MASK (3<<9)
+#define GEN6_RP_MEDIA_HW_TURBO_MODE (3<<9)
+#define GEN6_RP_MEDIA_HW_NORMAL_MODE (2<<9)
+#define GEN6_RP_MEDIA_HW_MODE (1<<9)
+#define GEN6_RP_MEDIA_SW_MODE (0<<9)
#define GEN6_RP_MEDIA_IS_GFX (1<<8)
#define GEN6_RP_ENABLE (1<<7)
#define GEN6_RP_UP_IDLE_MIN (0x1<<3)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3ff980d..4720397 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1864,7 +1864,7 @@ static void intel_update_fbc(struct drm_device *dev)
if (enable_fbc < 0) {
DRM_DEBUG_KMS("fbc set to per-chip default\n");
enable_fbc = 1;
- if (INTEL_INFO(dev)->gen <= 5)
+ if (INTEL_INFO(dev)->gen <= 6)
enable_fbc = 0;
}
if (!enable_fbc) {
@@ -8005,7 +8005,7 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
I915_WRITE(GEN6_RP_IDLE_HYSTERSIS, 10);
I915_WRITE(GEN6_RP_CONTROL,
GEN6_RP_MEDIA_TURBO |
- GEN6_RP_USE_NORMAL_FREQ |
+ GEN6_RP_MEDIA_HW_NORMAL_MODE |
GEN6_RP_MEDIA_IS_GFX |
GEN6_RP_ENABLE |
GEN6_RP_UP_BUSY_AVG |
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 12eb789..d4c4937 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1149,10 +1149,10 @@ static void ironlake_edp_panel_off(struct intel_dp *intel_dp)
DRM_DEBUG_KMS("Turn eDP power off\n");
- WARN(intel_dp->want_panel_vdd, "Cannot turn power off while VDD is on\n");
+ WARN(!intel_dp->want_panel_vdd, "Need VDD to turn off panel\n");
pp = ironlake_get_pp_control(dev_priv);
- pp &= ~(POWER_TARGET_ON | EDP_FORCE_VDD | PANEL_POWER_RESET | EDP_BLC_ENABLE);
+ pp &= ~(POWER_TARGET_ON | PANEL_POWER_RESET | EDP_BLC_ENABLE);
I915_WRITE(PCH_PP_CONTROL, pp);
POSTING_READ(PCH_PP_CONTROL);
@@ -1260,18 +1260,16 @@ static void intel_dp_prepare(struct drm_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+
+ /* Make sure the panel is off before trying to change the mode. But also
+ * ensure that we have vdd while we switch off the panel. */
+ ironlake_edp_panel_vdd_on(intel_dp);
ironlake_edp_backlight_off(intel_dp);
ironlake_edp_panel_off(intel_dp);
- /* Wake up the sink first */
- ironlake_edp_panel_vdd_on(intel_dp);
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
intel_dp_link_down(intel_dp);
ironlake_edp_panel_vdd_off(intel_dp, false);
-
- /* Make sure the panel is off before trying to
- * change the mode
- */
}
static void intel_dp_commit(struct drm_encoder *encoder)
@@ -1303,10 +1301,11 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
uint32_t dp_reg = I915_READ(intel_dp->output_reg);
if (mode != DRM_MODE_DPMS_ON) {
+ /* Switching the panel off requires vdd. */
+ ironlake_edp_panel_vdd_on(intel_dp);
ironlake_edp_backlight_off(intel_dp);
ironlake_edp_panel_off(intel_dp);
- ironlake_edp_panel_vdd_on(intel_dp);
intel_dp_sink_dpms(intel_dp, mode);
intel_dp_link_down(intel_dp);
ironlake_edp_panel_vdd_off(intel_dp, false);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 583c2d0..ceec71b 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -716,6 +716,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
},
},
{
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Clientron E830",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Clientron"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "E830"),
+ },
+ },
+ {
.callback = intel_no_lvds_dmi_callback,
.ident = "Asus EeeBox PC EB1007",
.matches = {
@@ -733,6 +741,30 @@ static const struct dmi_system_id intel_no_lvds[] = {
},
{
.callback = intel_no_lvds_dmi_callback,
+ .ident = "Hewlett-Packard HP t5740e Thin Client",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP t5740e Thin Client"),
+ },
+ },
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Hewlett-Packard t5745",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_BOARD_NAME, "hp t5745"),
+ },
+ },
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Hewlett-Packard st5747",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_BOARD_NAME, "hp st5747"),
+ },
+ },
+ {
+ .callback = intel_no_lvds_dmi_callback,
.ident = "MSI Wind Box DC500",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 8eddcca..a8d8ee5 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -769,10 +769,12 @@ static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
((v_sync_len & 0x30) >> 4);
dtd->part2.dtd_flags = 0x18;
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
if (mode->flags & DRM_MODE_FLAG_PHSYNC)
- dtd->part2.dtd_flags |= 0x2;
+ dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
if (mode->flags & DRM_MODE_FLAG_PVSYNC)
- dtd->part2.dtd_flags |= 0x4;
+ dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
dtd->part2.sdvo_flags = 0;
dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
@@ -806,9 +808,11 @@ static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
mode->clock = dtd->part1.clock * 10;
mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
- if (dtd->part2.dtd_flags & 0x2)
+ if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
+ mode->flags |= DRM_MODE_FLAG_INTERLACE;
+ if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
mode->flags |= DRM_MODE_FLAG_PHSYNC;
- if (dtd->part2.dtd_flags & 0x4)
+ if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
mode->flags |= DRM_MODE_FLAG_PVSYNC;
}
diff --git a/drivers/gpu/drm/i915/intel_sdvo_regs.h b/drivers/gpu/drm/i915/intel_sdvo_regs.h
index 4aa6f34..372f33b 100644
--- a/drivers/gpu/drm/i915/intel_sdvo_regs.h
+++ b/drivers/gpu/drm/i915/intel_sdvo_regs.h
@@ -61,6 +61,11 @@ struct intel_sdvo_caps {
u16 output_flags;
} __attribute__((packed));
+/* Note: SDVO detailed timing flags match EDID misc flags. */
+#define DTD_FLAG_HSYNC_POSITIVE (1 << 1)
+#define DTD_FLAG_VSYNC_POSITIVE (1 << 2)
+#define DTD_FLAG_INTERLACE (1 << 7)
+
/** This matches the EDID DTD structure, more or less */
struct intel_sdvo_dtd {
struct {
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 2b1fcad..12041fa 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1307,6 +1307,11 @@ intel_tv_detect_type(struct intel_tv *intel_tv,
I915_WRITE(TV_DAC, save_tv_dac & ~TVDAC_STATE_CHG_EN);
I915_WRITE(TV_CTL, save_tv_ctl);
+ POSTING_READ(TV_CTL);
+
+ /* For unknown reasons the hw barfs if we don't do this vblank wait. */
+ intel_wait_for_vblank(intel_tv->base.base.dev,
+ to_intel_crtc(intel_tv->base.base.crtc)->pipe);
/* Restore interrupt config */
if (connector->polled & DRM_CONNECTOR_POLL_HPD) {
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 92c9628..dac178b 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -977,6 +977,11 @@ int evergreen_pcie_gart_enable(struct radeon_device *rdev)
WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
+ if ((rdev->family == CHIP_JUNIPER) ||
+ (rdev->family == CHIP_CYPRESS) ||
+ (rdev->family == CHIP_HEMLOCK) ||
+ (rdev->family == CHIP_BARTS))
+ WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
}
WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
@@ -2074,9 +2079,12 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
if (rdev->flags & RADEON_IS_IGP)
rdev->config.evergreen.tile_config |= 1 << 4;
- else
- rdev->config.evergreen.tile_config |=
- ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
+ else {
+ if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
+ rdev->config.evergreen.tile_config |= 1 << 4;
+ else
+ rdev->config.evergreen.tile_config |= 0 << 4;
+ }
rdev->config.evergreen.tile_config |=
((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) << 8;
rdev->config.evergreen.tile_config |=
@@ -2108,9 +2116,9 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
WREG32(CC_SYS_RB_BACKEND_DISABLE, rb);
WREG32(GC_USER_RB_BACKEND_DISABLE, rb);
WREG32(CC_GC_SHADER_PIPE_CONFIG, sp);
- }
+ }
- grbm_gfx_index |= SE_BROADCAST_WRITES;
+ grbm_gfx_index = INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES;
WREG32(GRBM_GFX_INDEX, grbm_gfx_index);
WREG32(RLC_GFX_INDEX, grbm_gfx_index);
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index e00039e..0128445 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -230,6 +230,7 @@
#define MC_VM_MD_L1_TLB0_CNTL 0x2654
#define MC_VM_MD_L1_TLB1_CNTL 0x2658
#define MC_VM_MD_L1_TLB2_CNTL 0x265C
+#define MC_VM_MD_L1_TLB3_CNTL 0x2698
#define FUS_MC_VM_MD_L1_TLB0_CNTL 0x265C
#define FUS_MC_VM_MD_L1_TLB1_CNTL 0x2660
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 0e57998..9e50814 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -804,8 +804,10 @@ static void cayman_gpu_init(struct radeon_device *rdev)
rdev->config.cayman.tile_config |= (3 << 0);
break;
}
- rdev->config.cayman.tile_config |=
- ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
+ if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
+ rdev->config.cayman.tile_config |= 1 << 4;
+ else
+ rdev->config.cayman.tile_config |= 0 << 4;
rdev->config.cayman.tile_config |=
((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
rdev->config.cayman.tile_config |=
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 8e1532f..9d2c369 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -438,7 +438,9 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev,
*/
if ((dev->pdev->device == 0x9498) &&
(dev->pdev->subsystem_vendor == 0x1682) &&
- (dev->pdev->subsystem_device == 0x2452)) {
+ (dev->pdev->subsystem_device == 0x2452) &&
+ (i2c_bus->valid == false) &&
+ !(supported_device & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))) {
struct radeon_device *rdev = dev->dev_private;
*i2c_bus = radeon_lookup_i2c_gpio(rdev, 0x93);
}
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 23ae1c6..e36ba7f 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -151,6 +151,8 @@ int rv770_pcie_gart_enable(struct radeon_device *rdev)
WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
+ if (rdev->family == CHIP_RV740)
+ WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
@@ -689,8 +691,12 @@ static void rv770_gpu_init(struct radeon_device *rdev)
if (rdev->family == CHIP_RV770)
gb_tiling_config |= BANK_TILING(1);
- else
- gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
+ else {
+ if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
+ gb_tiling_config |= BANK_TILING(1);
+ else
+ gb_tiling_config |= BANK_TILING(0);
+ }
rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
if ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h
index 79fa588..7538092 100644
--- a/drivers/gpu/drm/radeon/rv770d.h
+++ b/drivers/gpu/drm/radeon/rv770d.h
@@ -174,6 +174,7 @@
#define MC_VM_MD_L1_TLB0_CNTL 0x2654
#define MC_VM_MD_L1_TLB1_CNTL 0x2658
#define MC_VM_MD_L1_TLB2_CNTL 0x265C
+#define MC_VM_MD_L1_TLB3_CNTL 0x2698
#define MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR 0x203C
#define MC_VM_SYSTEM_APERTURE_HIGH_ADDR 0x2038
#define MC_VM_SYSTEM_APERTURE_LOW_ADDR 0x2034
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 0bb0f5f..0d27bff 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1816,6 +1816,7 @@ static int ttm_bo_swapout(struct ttm_mem_shrink *shrink)
spin_unlock(&glob->lru_lock);
(void) ttm_bo_cleanup_refs(bo, false, false, false);
kref_put(&bo->list_kref, ttm_bo_release_list);
+ spin_lock(&glob->lru_lock);
continue;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
index f4e7763..c41226a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
@@ -66,7 +66,7 @@ static int vmw_gmr2_bind(struct vmw_private *dev_priv,
cmd += sizeof(remap_cmd) / sizeof(uint32);
for (i = 0; i < num_pages; ++i) {
- if (VMW_PPN_SIZE > 4)
+ if (VMW_PPN_SIZE <= 4)
*cmd = page_to_pfn(*pages++);
else
*((uint64_t *)cmd) = page_to_pfn(*pages++);
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 966a6e7..f1d5408 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -381,12 +381,27 @@ static void dump_command(unsigned long phys_addr)
static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
{
- u32 *event = __evt;
- int type = (event[1] >> EVENT_TYPE_SHIFT) & EVENT_TYPE_MASK;
- int devid = (event[0] >> EVENT_DEVID_SHIFT) & EVENT_DEVID_MASK;
- int domid = (event[1] >> EVENT_DOMID_SHIFT) & EVENT_DOMID_MASK;
- int flags = (event[1] >> EVENT_FLAGS_SHIFT) & EVENT_FLAGS_MASK;
- u64 address = (u64)(((u64)event[3]) << 32) | event[2];
+ int type, devid, domid, flags;
+ volatile u32 *event = __evt;
+ int count = 0;
+ u64 address;
+
+retry:
+ type = (event[1] >> EVENT_TYPE_SHIFT) & EVENT_TYPE_MASK;
+ devid = (event[0] >> EVENT_DEVID_SHIFT) & EVENT_DEVID_MASK;
+ domid = (event[1] >> EVENT_DOMID_SHIFT) & EVENT_DOMID_MASK;
+ flags = (event[1] >> EVENT_FLAGS_SHIFT) & EVENT_FLAGS_MASK;
+ address = (u64)(((u64)event[3]) << 32) | event[2];
+
+ if (type == 0) {
+ /* Did we hit the erratum? */
+ if (++count == LOOP_TIMEOUT) {
+ pr_err("AMD-Vi: No event written to event log\n");
+ return;
+ }
+ udelay(1);
+ goto retry;
+ }
printk(KERN_ERR "AMD-Vi: Event logged [");
@@ -439,6 +454,8 @@ static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
default:
printk(KERN_ERR "UNKNOWN type=0x%02x]\n", type);
}
+
+ memset(__evt, 0, 4 * sizeof(u32));
}
static void iommu_poll_events(struct amd_iommu *iommu)
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 20d5852..6269eb0 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -943,6 +943,9 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h)
if (!iommu->dev)
return 1;
+ iommu->root_pdev = pci_get_bus_and_slot(iommu->dev->bus->number,
+ PCI_DEVFN(0, 0));
+
iommu->cap_ptr = h->cap_ptr;
iommu->pci_seg = h->pci_seg;
iommu->mmio_phys = h->mmio_phys;
@@ -1225,20 +1228,16 @@ static void iommu_apply_resume_quirks(struct amd_iommu *iommu)
{
int i, j;
u32 ioc_feature_control;
- struct pci_dev *pdev = NULL;
+ struct pci_dev *pdev = iommu->root_pdev;
/* RD890 BIOSes may not have completely reconfigured the iommu */
- if (!is_rd890_iommu(iommu->dev))
+ if (!is_rd890_iommu(iommu->dev) || !pdev)
return;
/*
* First, we need to ensure that the iommu is enabled. This is
* controlled by a register in the northbridge
*/
- pdev = pci_get_bus_and_slot(iommu->dev->bus->number, PCI_DEVFN(0, 0));
-
- if (!pdev)
- return;
/* Select Northbridge indirect register 0x75 and enable writing */
pci_write_config_dword(pdev, 0x60, 0x75 | (1 << 7));
@@ -1248,8 +1247,6 @@ static void iommu_apply_resume_quirks(struct amd_iommu *iommu)
if (!(ioc_feature_control & 0x1))
pci_write_config_dword(pdev, 0x64, ioc_feature_control | 1);
- pci_dev_put(pdev);
-
/* Restore the iommu BAR */
pci_write_config_dword(iommu->dev, iommu->cap_ptr + 4,
iommu->stored_addr_lo);
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h
index 5b9c507..40ab83b 100644
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -385,6 +385,9 @@ struct amd_iommu {
/* Pointer to PCI device of this IOMMU */
struct pci_dev *dev;
+ /* Cache pdev to root device for resume quirks */
+ struct pci_dev *root_pdev;
+
/* physical address of MMIO space */
u64 mmio_phys;
/* virtual address of MMIO space */
diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index 318a869..4035b6d 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -128,7 +128,7 @@ config MTD_AFS_PARTS
config MTD_OF_PARTS
tristate "OpenFirmware partitioning information support"
- default Y
+ default y
depends on OF
help
This provides a partition parsing function which derives
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 69148ae..f024375 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -324,6 +324,7 @@ static int scan_read_raw_oob(struct mtd_info *mtd, uint8_t *buf, loff_t offs,
buf += mtd->oobsize + mtd->writesize;
len -= mtd->writesize;
+ offs += mtd->writesize;
}
return 0;
}
diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx.c b/drivers/net/ethernet/freescale/fec_mpc52xx.c
index 30745b5..1e52736 100644
--- a/drivers/net/ethernet/freescale/fec_mpc52xx.c
+++ b/drivers/net/ethernet/freescale/fec_mpc52xx.c
@@ -437,7 +437,7 @@ static irqreturn_t mpc52xx_fec_rx_interrupt(int irq, void *dev_id)
length = status & BCOM_FEC_RX_BD_LEN_MASK;
skb_put(rskb, length - 4); /* length without CRC32 */
rskb->protocol = eth_type_trans(rskb, dev);
- if (!skb_defer_rx_timestamp(skb))
+ if (!skb_defer_rx_timestamp(rskb))
netif_rx(rskb);
spin_lock(&priv->lock);
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 697cae3..cc2565c 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -62,8 +62,12 @@
#define R8169_MSG_DEFAULT \
(NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
-#define TX_BUFFS_AVAIL(tp) \
- (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
+#define TX_SLOTS_AVAIL(tp) \
+ (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx)
+
+/* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */
+#define TX_FRAGS_READY_FOR(tp,nr_frags) \
+ (TX_SLOTS_AVAIL(tp) >= (nr_frags + 1))
/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
The RTL chips use a 64 element hash table based on the Ethernet CRC. */
@@ -5512,7 +5516,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
u32 opts[2];
int frags;
- if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
+ if (unlikely(!TX_FRAGS_READY_FOR(tp, skb_shinfo(skb)->nr_frags))) {
netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
goto err_stop_0;
}
@@ -5560,10 +5564,21 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
RTL_W8(TxPoll, NPQ);
- if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
+ if (!TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) {
+ /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must
+ * not miss a ring update when it notices a stopped queue.
+ */
+ smp_wmb();
netif_stop_queue(dev);
- smp_rmb();
- if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
+ /* Sync with rtl_tx:
+ * - publish queue status and cur_tx ring index (write barrier)
+ * - refresh dirty_tx ring index (read barrier).
+ * May the current thread have a pessimistic view of the ring
+ * status and forget to wake up queue, a racing rtl_tx thread
+ * can't.
+ */
+ smp_mb();
+ if (TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS))
netif_wake_queue(dev);
}
@@ -5663,9 +5678,16 @@ static void rtl8169_tx_interrupt(struct net_device *dev,
if (tp->dirty_tx != dirty_tx) {
tp->dirty_tx = dirty_tx;
- smp_wmb();
+ /* Sync with rtl8169_start_xmit:
+ * - publish dirty_tx ring index (write barrier)
+ * - refresh cur_tx ring index and queue status (read barrier)
+ * May the current thread miss the stopped queue condition,
+ * a racing xmit thread can only have a right view of the
+ * ring status.
+ */
+ smp_mb();
if (netif_queue_stopped(dev) &&
- (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
+ TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) {
netif_wake_queue(dev);
}
/*
@@ -5674,7 +5696,6 @@ static void rtl8169_tx_interrupt(struct net_device *dev,
* of start_xmit activity is detected (if it is not detected,
* it is slow enough). -- FR
*/
- smp_rmb();
if (tp->cur_tx != dirty_tx)
RTL_W8(TxPoll, NPQ);
}
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 959d448..97f342e 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -258,7 +258,7 @@ static int macvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev)
xmit_world:
skb->ip_summed = ip_summed;
- skb_set_dev(skb, vlan->lowerdev);
+ skb->dev = vlan->lowerdev;
return dev_queue_xmit(skb);
}
diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index a9abee8..fc147a5 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -35,6 +35,7 @@
#include <linux/crc32.h>
#include <linux/usb/usbnet.h>
#include <linux/slab.h>
+#include <linux/if_vlan.h>
#define DRIVER_VERSION "08-Nov-2011"
#define DRIVER_NAME "asix"
@@ -348,7 +349,7 @@ static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
return 2;
}
- if (size > dev->net->mtu + ETH_HLEN) {
+ if (size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) {
netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
size);
return 0;
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 03b0a65..76fd277 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -64,7 +64,8 @@ static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid,
static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
struct ath_txq *txq,
struct ath_atx_tid *tid,
- struct sk_buff *skb);
+ struct sk_buff *skb,
+ bool dequeue);
enum {
MCS_HT20,
@@ -761,7 +762,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_aggr(struct ath_softc *sc,
fi = get_frame_info(skb);
bf = fi->bf;
if (!fi->bf)
- bf = ath_tx_setup_buffer(sc, txq, tid, skb);
+ bf = ath_tx_setup_buffer(sc, txq, tid, skb, true);
if (!bf)
continue;
@@ -1669,7 +1670,7 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
return;
}
- bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
+ bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb, false);
if (!bf)
return;
@@ -1696,7 +1697,7 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
bf = fi->bf;
if (!bf)
- bf = ath_tx_setup_buffer(sc, txq, tid, skb);
+ bf = ath_tx_setup_buffer(sc, txq, tid, skb, false);
if (!bf)
return;
@@ -1761,7 +1762,8 @@ u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate)
static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
struct ath_txq *txq,
struct ath_atx_tid *tid,
- struct sk_buff *skb)
+ struct sk_buff *skb,
+ bool dequeue)
{
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_frame_info *fi = get_frame_info(skb);
@@ -1802,6 +1804,8 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
return bf;
error:
+ if (dequeue)
+ __skb_unlink(skb, &tid->buf_q);
dev_kfree_skb_any(skb);
return NULL;
}
@@ -1833,7 +1837,7 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb,
*/
ath_tx_send_ampdu(sc, tid, skb, txctl);
} else {
- bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
+ bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb, false);
if (!bf)
goto out;
diff --git a/drivers/net/wireless/iwlwifi/iwl-2000.c b/drivers/net/wireless/iwlwifi/iwl-2000.c
index 9823e41..a97a52a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-2000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-2000.c
@@ -211,7 +211,7 @@ static struct iwl_base_params iwl2000_base_params = {
.chain_noise_scale = 1000,
.wd_timeout = IWL_DEF_WD_TIMEOUT,
.max_event_log_size = 512,
- .shadow_reg_enable = true,
+ .shadow_reg_enable = false, /* TODO: fix bugs using this feature */
.hd_v2 = true,
};
@@ -230,7 +230,7 @@ static struct iwl_base_params iwl2030_base_params = {
.chain_noise_scale = 1000,
.wd_timeout = IWL_LONG_WD_TIMEOUT,
.max_event_log_size = 512,
- .shadow_reg_enable = true,
+ .shadow_reg_enable = false, /* TODO: fix bugs using this feature */
.hd_v2 = true,
};
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index b4f809c..0b9f797 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -308,7 +308,7 @@ static struct iwl_base_params iwl6000_base_params = {
.chain_noise_scale = 1000,
.wd_timeout = IWL_DEF_WD_TIMEOUT,
.max_event_log_size = 512,
- .shadow_reg_enable = true,
+ .shadow_reg_enable = false, /* TODO: fix bugs using this feature */
};
static struct iwl_base_params iwl6050_base_params = {
@@ -325,7 +325,7 @@ static struct iwl_base_params iwl6050_base_params = {
.chain_noise_scale = 1500,
.wd_timeout = IWL_DEF_WD_TIMEOUT,
.max_event_log_size = 1024,
- .shadow_reg_enable = true,
+ .shadow_reg_enable = false, /* TODO: fix bugs using this feature */
};
static struct iwl_base_params iwl6000_g2_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE,
@@ -341,7 +341,7 @@ static struct iwl_base_params iwl6000_g2_base_params = {
.chain_noise_scale = 1000,
.wd_timeout = IWL_LONG_WD_TIMEOUT,
.max_event_log_size = 512,
- .shadow_reg_enable = true,
+ .shadow_reg_enable = false, /* TODO: fix bugs using this feature */
};
static struct iwl_ht_params iwl6000_ht_params = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 66118ce..9ba2c1b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -886,6 +886,7 @@ static void rs_bt_update_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
if ((priv->bt_traffic_load != priv->last_bt_traffic_load) ||
(priv->bt_full_concurrent != full_concurrent)) {
priv->bt_full_concurrent = full_concurrent;
+ priv->last_bt_traffic_load = priv->bt_traffic_load;
/* Update uCode's rate table. */
tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
diff --git a/drivers/net/wireless/wl1251/sdio.c b/drivers/net/wireless/wl1251/sdio.c
index 1b851f6..e2750a1 100644
--- a/drivers/net/wireless/wl1251/sdio.c
+++ b/drivers/net/wireless/wl1251/sdio.c
@@ -260,6 +260,7 @@ static int wl1251_sdio_probe(struct sdio_func *func,
}
if (wl->irq) {
+ irq_set_status_flags(wl->irq, IRQ_NOAUTOEN);
ret = request_irq(wl->irq, wl1251_line_irq, 0, "wl1251", wl);
if (ret < 0) {
wl1251_error("request_irq() failed: %d", ret);
@@ -267,7 +268,6 @@ static int wl1251_sdio_probe(struct sdio_func *func,
}
irq_set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
- disable_irq(wl->irq);
wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq;
wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq;
diff --git a/drivers/net/wireless/wl1251/spi.c b/drivers/net/wireless/wl1251/spi.c
index eaa5f95..134ae9c 100644
--- a/drivers/net/wireless/wl1251/spi.c
+++ b/drivers/net/wireless/wl1251/spi.c
@@ -281,6 +281,7 @@ static int __devinit wl1251_spi_probe(struct spi_device *spi)
wl->use_eeprom = pdata->use_eeprom;
+ irq_set_status_flags(wl->irq, IRQ_NOAUTOEN);
ret = request_irq(wl->irq, wl1251_irq, 0, DRIVER_NAME, wl);
if (ret < 0) {
wl1251_error("request_irq() failed: %d", ret);
@@ -289,8 +290,6 @@ static int __devinit wl1251_spi_probe(struct spi_device *spi)
irq_set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
- disable_irq(wl->irq);
-
ret = wl1251_init_ieee80211(wl);
if (ret)
goto out_irq;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index f85cfa6..f0ab58e 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1382,16 +1382,19 @@ static int scsi_lld_busy(struct request_queue *q)
{
struct scsi_device *sdev = q->queuedata;
struct Scsi_Host *shost;
- struct scsi_target *starget;
if (!sdev)
return 0;
shost = sdev->host;
- starget = scsi_target(sdev);
- if (scsi_host_in_recovery(shost) || scsi_host_is_busy(shost) ||
- scsi_target_is_busy(starget) || scsi_device_is_busy(sdev))
+ /*
+ * Ignore host/starget busy state.
+ * Since block layer does not have a concept of fairness across
+ * multiple queues, congestion of host/starget needs to be handled
+ * in SCSI layer.
+ */
+ if (scsi_host_in_recovery(shost) || scsi_device_is_busy(sdev))
return 1;
return 0;
diff --git a/drivers/scsi/scsi_wait_scan.c b/drivers/scsi/scsi_wait_scan.c
index 74708fc..ae78148 100644
--- a/drivers/scsi/scsi_wait_scan.c
+++ b/drivers/scsi/scsi_wait_scan.c
@@ -12,7 +12,7 @@
#include <linux/module.h>
#include <linux/device.h>
-#include <scsi/scsi_scan.h>
+#include "scsi_priv.h"
static int __init wait_scan_init(void)
{
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index cad8b92..455a251 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -134,21 +134,11 @@ static struct se_device *fd_create_virtdevice(
ret = PTR_ERR(dev_p);
goto fail;
}
-#if 0
- if (di->no_create_file)
- flags = O_RDWR | O_LARGEFILE;
- else
- flags = O_RDWR | O_CREAT | O_LARGEFILE;
-#else
- flags = O_RDWR | O_CREAT | O_LARGEFILE;
-#endif
-/* flags |= O_DIRECT; */
/*
- * If fd_buffered_io=1 has not been set explicitly (the default),
- * use O_SYNC to force FILEIO writes to disk.
+ * Use O_DSYNC by default instead of O_SYNC to forgo syncing
+ * of pure timestamp updates.
*/
- if (!(fd_dev->fbd_flags & FDBD_USE_BUFFERED_IO))
- flags |= O_SYNC;
+ flags = O_RDWR | O_CREAT | O_LARGEFILE | O_DSYNC;
file = filp_open(dev_p, flags, 0600);
if (IS_ERR(file)) {
@@ -400,26 +390,6 @@ static void fd_emulate_sync_cache(struct se_task *task)
transport_complete_sync_cache(cmd, ret == 0);
}
-/*
- * WRITE Force Unit Access (FUA) emulation on a per struct se_task
- * LBA range basis..
- */
-static void fd_emulate_write_fua(struct se_cmd *cmd, struct se_task *task)
-{
- struct se_device *dev = cmd->se_dev;
- struct fd_dev *fd_dev = dev->dev_ptr;
- loff_t start = task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size;
- loff_t end = start + task->task_size;
- int ret;
-
- pr_debug("FILEIO: FUA WRITE LBA: %llu, bytes: %u\n",
- task->task_lba, task->task_size);
-
- ret = vfs_fsync_range(fd_dev->fd_file, start, end, 1);
- if (ret != 0)
- pr_err("FILEIO: vfs_fsync_range() failed: %d\n", ret);
-}
-
static int fd_do_task(struct se_task *task)
{
struct se_cmd *cmd = task->task_se_cmd;
@@ -434,19 +404,21 @@ static int fd_do_task(struct se_task *task)
ret = fd_do_readv(task);
} else {
ret = fd_do_writev(task);
-
+ /*
+ * Perform implict vfs_fsync_range() for fd_do_writev() ops
+ * for SCSI WRITEs with Forced Unit Access (FUA) set.
+ * Allow this to happen independent of WCE=0 setting.
+ */
if (ret > 0 &&
- dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0 &&
dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
(cmd->se_cmd_flags & SCF_FUA)) {
- /*
- * We might need to be a bit smarter here
- * and return some sense data to let the initiator
- * know the FUA WRITE cache sync failed..?
- */
- fd_emulate_write_fua(cmd, task);
- }
+ struct fd_dev *fd_dev = dev->dev_ptr;
+ loff_t start = task->task_lba *
+ dev->se_sub_dev->se_dev_attrib.block_size;
+ loff_t end = start + task->task_size;
+ vfs_fsync_range(fd_dev->fd_file, start, end, 1);
+ }
}
if (ret < 0) {
@@ -478,7 +450,6 @@ enum {
static match_table_t tokens = {
{Opt_fd_dev_name, "fd_dev_name=%s"},
{Opt_fd_dev_size, "fd_dev_size=%s"},
- {Opt_fd_buffered_io, "fd_buffered_io=%d"},
{Opt_err, NULL}
};
@@ -490,7 +461,7 @@ static ssize_t fd_set_configfs_dev_params(
struct fd_dev *fd_dev = se_dev->se_dev_su_ptr;
char *orig, *ptr, *arg_p, *opts;
substring_t args[MAX_OPT_ARGS];
- int ret = 0, arg, token;
+ int ret = 0, token;
opts = kstrdup(page, GFP_KERNEL);
if (!opts)
@@ -534,19 +505,6 @@ static ssize_t fd_set_configfs_dev_params(
" bytes\n", fd_dev->fd_dev_size);
fd_dev->fbd_flags |= FBDF_HAS_SIZE;
break;
- case Opt_fd_buffered_io:
- match_int(args, &arg);
- if (arg != 1) {
- pr_err("bogus fd_buffered_io=%d value\n", arg);
- ret = -EINVAL;
- goto out;
- }
-
- pr_debug("FILEIO: Using buffered I/O"
- " operations for struct fd_dev\n");
-
- fd_dev->fbd_flags |= FDBD_USE_BUFFERED_IO;
- break;
default:
break;
}
@@ -578,10 +536,8 @@ static ssize_t fd_show_configfs_dev_params(
ssize_t bl = 0;
bl = sprintf(b + bl, "TCM FILEIO ID: %u", fd_dev->fd_dev_id);
- bl += sprintf(b + bl, " File: %s Size: %llu Mode: %s\n",
- fd_dev->fd_dev_name, fd_dev->fd_dev_size,
- (fd_dev->fbd_flags & FDBD_USE_BUFFERED_IO) ?
- "Buffered" : "Synchronous");
+ bl += sprintf(b + bl, " File: %s Size: %llu Mode: O_DSYNC\n",
+ fd_dev->fd_dev_name, fd_dev->fd_dev_size);
return bl;
}
diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h
index 59e6e73..53ece69 100644
--- a/drivers/target/target_core_file.h
+++ b/drivers/target/target_core_file.h
@@ -18,7 +18,6 @@ struct fd_request {
#define FBDF_HAS_PATH 0x01
#define FBDF_HAS_SIZE 0x02
-#define FDBD_USE_BUFFERED_IO 0x04
struct fd_dev {
u32 fbd_flags;
diff --git a/fs/attr.c b/fs/attr.c
index 7ee7ba4..b8f55c4 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -176,6 +176,11 @@ int notify_change(struct dentry * dentry, struct iattr * attr)
return -EPERM;
}
+ if ((ia_valid & ATTR_SIZE) && IS_I_VERSION(inode)) {
+ if (attr->ia_size != inode->i_size)
+ inode_inc_iversion(inode);
+ }
+
if ((ia_valid & ATTR_MODE)) {
mode_t amode = attr->ia_mode;
/* Flag setting protected by i_mutex */
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index c467ac8..2f3ff59 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -43,6 +43,7 @@
#define CIFS_MIN_RCV_POOL 4
+#define MAX_REOPEN_ATT 5 /* these many maximum attempts to reopen a file */
/*
* default attribute cache timeout (jiffies)
*/
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 6f4e243..26917d3 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -184,11 +184,13 @@ extern int CIFSTCon(unsigned int xid, struct cifs_ses *ses,
extern int CIFSFindFirst(const int xid, struct cifs_tcon *tcon,
const char *searchName, const struct nls_table *nls_codepage,
- __u16 *searchHandle, struct cifs_search_info *psrch_inf,
+ __u16 *searchHandle, __u16 search_flags,
+ struct cifs_search_info *psrch_inf,
int map, const char dirsep);
extern int CIFSFindNext(const int xid, struct cifs_tcon *tcon,
- __u16 searchHandle, struct cifs_search_info *psrch_inf);
+ __u16 searchHandle, __u16 search_flags,
+ struct cifs_search_info *psrch_inf);
extern int CIFSFindClose(const int, struct cifs_tcon *tcon,
const __u16 search_handle);
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index e89803b..6aa7457 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -4327,7 +4327,7 @@ int
CIFSFindFirst(const int xid, struct cifs_tcon *tcon,
const char *searchName,
const struct nls_table *nls_codepage,
- __u16 *pnetfid,
+ __u16 *pnetfid, __u16 search_flags,
struct cifs_search_info *psrch_inf, int remap, const char dirsep)
{
/* level 257 SMB_ */
@@ -4399,8 +4399,7 @@ findFirstRetry:
cpu_to_le16(ATTR_READONLY | ATTR_HIDDEN | ATTR_SYSTEM |
ATTR_DIRECTORY);
pSMB->SearchCount = cpu_to_le16(CIFSMaxBufSize/sizeof(FILE_UNIX_INFO));
- pSMB->SearchFlags = cpu_to_le16(CIFS_SEARCH_CLOSE_AT_END |
- CIFS_SEARCH_RETURN_RESUME);
+ pSMB->SearchFlags = cpu_to_le16(search_flags);
pSMB->InformationLevel = cpu_to_le16(psrch_inf->info_level);
/* BB what should we set StorageType to? Does it matter? BB */
@@ -4470,8 +4469,8 @@ findFirstRetry:
return rc;
}
-int CIFSFindNext(const int xid, struct cifs_tcon *tcon,
- __u16 searchHandle, struct cifs_search_info *psrch_inf)
+int CIFSFindNext(const int xid, struct cifs_tcon *tcon, __u16 searchHandle,
+ __u16 search_flags, struct cifs_search_info *psrch_inf)
{
TRANSACTION2_FNEXT_REQ *pSMB = NULL;
TRANSACTION2_FNEXT_RSP *pSMBr = NULL;
@@ -4514,8 +4513,7 @@ int CIFSFindNext(const int xid, struct cifs_tcon *tcon,
cpu_to_le16(CIFSMaxBufSize / sizeof(FILE_UNIX_INFO));
pSMB->InformationLevel = cpu_to_le16(psrch_inf->info_level);
pSMB->ResumeKey = psrch_inf->resume_key;
- pSMB->SearchFlags =
- cpu_to_le16(CIFS_SEARCH_CLOSE_AT_END | CIFS_SEARCH_RETURN_RESUME);
+ pSMB->SearchFlags = cpu_to_le16(search_flags);
name_len = psrch_inf->resume_name_len;
params += name_len;
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 0f7dc22..0bb785f 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1534,10 +1534,11 @@ struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *cifs_inode,
struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *cifs_inode,
bool fsuid_only)
{
- struct cifsFileInfo *open_file;
+ struct cifsFileInfo *open_file, *inv_file = NULL;
struct cifs_sb_info *cifs_sb;
bool any_available = false;
int rc;
+ unsigned int refind = 0;
/* Having a null inode here (because mapping->host was set to zero by
the VFS or MM) should not happen but we had reports of on oops (due to
@@ -1557,40 +1558,25 @@ struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *cifs_inode,
spin_lock(&cifs_file_list_lock);
refind_writable:
+ if (refind > MAX_REOPEN_ATT) {
+ spin_unlock(&cifs_file_list_lock);
+ return NULL;
+ }
list_for_each_entry(open_file, &cifs_inode->openFileList, flist) {
if (!any_available && open_file->pid != current->tgid)
continue;
if (fsuid_only && open_file->uid != current_fsuid())
continue;
if (OPEN_FMODE(open_file->f_flags) & FMODE_WRITE) {
- cifsFileInfo_get(open_file);
-
if (!open_file->invalidHandle) {
/* found a good writable file */
+ cifsFileInfo_get(open_file);
spin_unlock(&cifs_file_list_lock);
return open_file;
+ } else {
+ if (!inv_file)
+ inv_file = open_file;
}
-
- spin_unlock(&cifs_file_list_lock);
-
- /* Had to unlock since following call can block */
- rc = cifs_reopen_file(open_file, false);
- if (!rc)
- return open_file;
-
- /* if it fails, try another handle if possible */
- cFYI(1, "wp failed on reopen file");
- cifsFileInfo_put(open_file);
-
- spin_lock(&cifs_file_list_lock);
-
- /* else we simply continue to the next entry. Thus
- we do not loop on reopen errors. If we
- can not reopen the file, for example if we
- reconnected to a server with another client
- racing to delete or lock the file we would not
- make progress if we restarted before the beginning
- of the loop here. */
}
}
/* couldn't find useable FH with same pid, try any available */
@@ -1598,7 +1584,30 @@ refind_writable:
any_available = true;
goto refind_writable;
}
+
+ if (inv_file) {
+ any_available = false;
+ cifsFileInfo_get(inv_file);
+ }
+
spin_unlock(&cifs_file_list_lock);
+
+ if (inv_file) {
+ rc = cifs_reopen_file(inv_file, false);
+ if (!rc)
+ return inv_file;
+ else {
+ spin_lock(&cifs_file_list_lock);
+ list_move_tail(&inv_file->flist,
+ &cifs_inode->openFileList);
+ spin_unlock(&cifs_file_list_lock);
+ cifsFileInfo_put(inv_file);
+ spin_lock(&cifs_file_list_lock);
+ ++refind;
+ goto refind_writable;
+ }
+ }
+
return NULL;
}
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index a090bbe..db4a138 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -219,6 +219,7 @@ int get_symlink_reparse_path(char *full_path, struct cifs_sb_info *cifs_sb,
static int initiate_cifs_search(const int xid, struct file *file)
{
+ __u16 search_flags;
int rc = 0;
char *full_path = NULL;
struct cifsFileInfo *cifsFile;
@@ -270,8 +271,12 @@ ffirst_retry:
cifsFile->srch_inf.info_level = SMB_FIND_FILE_DIRECTORY_INFO;
}
+ search_flags = CIFS_SEARCH_CLOSE_AT_END | CIFS_SEARCH_RETURN_RESUME;
+ if (backup_cred(cifs_sb))
+ search_flags |= CIFS_SEARCH_BACKUP_SEARCH;
+
rc = CIFSFindFirst(xid, pTcon, full_path, cifs_sb->local_nls,
- &cifsFile->netfid, &cifsFile->srch_inf,
+ &cifsFile->netfid, search_flags, &cifsFile->srch_inf,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR, CIFS_DIR_SEP(cifs_sb));
if (rc == 0)
@@ -502,11 +507,13 @@ static int cifs_save_resume_key(const char *current_entry,
static int find_cifs_entry(const int xid, struct cifs_tcon *pTcon,
struct file *file, char **ppCurrentEntry, int *num_to_ret)
{
+ __u16 search_flags;
int rc = 0;
int pos_in_buf = 0;
loff_t first_entry_in_buffer;
loff_t index_to_find = file->f_pos;
struct cifsFileInfo *cifsFile = file->private_data;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
/* check if index in the buffer */
if ((cifsFile == NULL) || (ppCurrentEntry == NULL) ||
@@ -560,10 +567,14 @@ static int find_cifs_entry(const int xid, struct cifs_tcon *pTcon,
cifsFile);
}
+ search_flags = CIFS_SEARCH_CLOSE_AT_END | CIFS_SEARCH_RETURN_RESUME;
+ if (backup_cred(cifs_sb))
+ search_flags |= CIFS_SEARCH_BACKUP_SEARCH;
+
while ((index_to_find >= cifsFile->srch_inf.index_of_last_entry) &&
(rc == 0) && !cifsFile->srch_inf.endOfSearch) {
cFYI(1, "calling findnext2");
- rc = CIFSFindNext(xid, pTcon, cifsFile->netfid,
+ rc = CIFSFindNext(xid, pTcon, cifsFile->netfid, search_flags,
&cifsFile->srch_inf);
/* FindFirst/Next set last_entry to NULL on malformed reply */
if (cifsFile->srch_inf.last_entry)
diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index e6085ec..7ed5000 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -745,7 +745,6 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
sbi->one_comp.obj.partition = opts->pid;
sbi->one_comp.obj.id = 0;
exofs_make_credential(sbi->one_comp.cred, &sbi->one_comp.obj);
- sbi->oc.numdevs = 1;
sbi->oc.single_comp = EC_SINGLE_COMP;
sbi->oc.comps = &sbi->one_comp;
@@ -803,6 +802,7 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
goto free_sbi;
ore_comp_set_dev(&sbi->oc, 0, od);
+ sbi->oc.numdevs = 1;
}
__sbi_read_stats(sbi);
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index e2d8be8..1d07c12 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2567,6 +2567,9 @@ int ext4_mb_release(struct super_block *sb)
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct kmem_cache *cachep = get_groupinfo_cache(sb->s_blocksize_bits);
+ if (sbi->s_proc)
+ remove_proc_entry("mb_groups", sbi->s_proc);
+
if (sbi->s_group_info) {
for (i = 0; i < ngroups; i++) {
grinfo = ext4_get_group_info(sb, i);
@@ -2614,8 +2617,6 @@ int ext4_mb_release(struct super_block *sb)
}
free_percpu(sbi->s_locality_groups);
- if (sbi->s_proc)
- remove_proc_entry("mb_groups", sbi->s_proc);
return 0;
}
@@ -4693,6 +4694,7 @@ do_more:
*/
new_entry = kmem_cache_alloc(ext4_free_ext_cachep, GFP_NOFS);
if (!new_entry) {
+ ext4_mb_unload_buddy(&e4b);
err = -ENOMEM;
goto error_return;
}
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index aa4c782..4dd0890 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1037,6 +1037,12 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, stru
EXT4_ERROR_INODE(dir, "bad inode number: %u", ino);
return ERR_PTR(-EIO);
}
+ if (unlikely(ino == dir->i_ino)) {
+ EXT4_ERROR_INODE(dir, "'%.*s' linked to parent dir",
+ dentry->d_name.len,
+ dentry->d_name.name);
+ return ERR_PTR(-EIO);
+ }
inode = ext4_iget(dir->i_sb, ino);
if (inode == ERR_PTR(-ESTALE)) {
EXT4_ERROR_INODE(dir,
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 961059b..ab7aa3f 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -480,6 +480,7 @@ void __ext4_error(struct super_block *sb, const char *function,
printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: comm %s: %pV\n",
sb->s_id, function, line, current->comm, &vaf);
va_end(args);
+ save_error_info(sb, function, line);
ext4_handle_error(sb);
}
@@ -3727,7 +3728,8 @@ no_journal:
goto failed_mount4;
}
- ext4_setup_super(sb, es, sb->s_flags & MS_RDONLY);
+ if (ext4_setup_super(sb, es, sb->s_flags & MS_RDONLY))
+ sb->s_flags |= MS_RDONLY;
/* determine the minimum size of new large inodes, if present */
if (sbi->s_inode_size > EXT4_GOOD_OLD_INODE_SIZE) {
diff --git a/fs/namespace.c b/fs/namespace.c
index cfc6d44..ca4913a 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1244,8 +1244,9 @@ void umount_tree(struct vfsmount *mnt, int propagate, struct list_head *kill)
list_del_init(&p->mnt_expire);
list_del_init(&p->mnt_list);
__touch_mnt_namespace(p->mnt_ns);
+ if (p->mnt_ns)
+ __mnt_make_shortterm(p);
p->mnt_ns = NULL;
- __mnt_make_shortterm(p);
list_del_init(&p->mnt_child);
if (p->mnt_parent != p) {
p->mnt_parent->mnt_ghosts++;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 03d9b90..a3cae5d 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -96,6 +96,8 @@ static int nfs4_map_errors(int err)
case -NFS4ERR_BADOWNER:
case -NFS4ERR_BADNAME:
return -EINVAL;
+ case -NFS4ERR_SHARE_DENIED:
+ return -EACCES;
default:
dprintk("%s could not handle NFSv4 error %d\n",
__func__, -err);
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 14b6cd0..def807c 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -181,6 +181,7 @@
{0x1002, 0x6747, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6748, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6749, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x674A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6751, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6758, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
@@ -198,6 +199,7 @@
{0x1002, 0x6767, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6768, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6770, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x6771, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6772, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6778, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6779, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
@@ -493,6 +495,7 @@
{0x1002, 0x9645, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO2|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x9647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
{0x1002, 0x9648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
+ {0x1002, 0x9649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
{0x1002, 0x964a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x964b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x964c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
@@ -512,6 +515,7 @@
{0x1002, 0x9807, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x9808, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x9809, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x980A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0, 0, 0}
#define r128_PCI_IDS \
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 619b565..bd21ecd 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -224,6 +224,7 @@ header-y += kd.h
header-y += kdev_t.h
header-y += kernel.h
header-y += kernelcapi.h
+header-y += kernel-page-flags.h
header-y += keyboard.h
header-y += keyctl.h
header-y += l2tp.h
diff --git a/include/linux/kernel-page-flags.h b/include/linux/kernel-page-flags.h
index bd92a89..096b05d 100644
--- a/include/linux/kernel-page-flags.h
+++ b/include/linux/kernel-page-flags.h
@@ -31,6 +31,8 @@
#define KPF_KSM 21
+#ifdef __KERNEL__
+
/* kernel hacking assistances
* WARNING: subject to change, never rely on them!
*/
@@ -43,4 +45,6 @@
#define KPF_ARCH 38
#define KPF_UNCACHED 39
+#endif /* __KERNEL__ */
+
#endif /* LINUX_KERNEL_PAGE_FLAGS_H */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index cbeb586..cb52340 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1420,15 +1420,6 @@ static inline bool netdev_uses_dsa_tags(struct net_device *dev)
return 0;
}
-#ifndef CONFIG_NET_NS
-static inline void skb_set_dev(struct sk_buff *skb, struct net_device *dev)
-{
- skb->dev = dev;
-}
-#else /* CONFIG_NET_NS */
-void skb_set_dev(struct sk_buff *skb, struct net_device *dev);
-#endif
-
static inline bool netdev_uses_trailer_tags(struct net_device *dev)
{
#ifdef CONFIG_NET_DSA_TAG_TRAILER
diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h
index 0ddd161..31d2844 100644
--- a/include/linux/netfilter_bridge.h
+++ b/include/linux/netfilter_bridge.h
@@ -104,9 +104,18 @@ struct bridge_skb_cb {
} daddr;
};
+static inline void br_drop_fake_rtable(struct sk_buff *skb)
+{
+ struct dst_entry *dst = skb_dst(skb);
+
+ if (dst && (dst->flags & DST_FAKE_RTABLE))
+ skb_dst_drop(skb);
+}
+
#else
#define nf_bridge_maybe_copy_header(skb) (0)
#define nf_bridge_pad(skb) (0)
+#define br_drop_fake_rtable(skb) do { } while (0)
#endif /* CONFIG_BRIDGE_NETFILTER */
#endif /* __KERNEL__ */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index e689b47..bdb4590 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1866,8 +1866,6 @@ static inline int __skb_cow(struct sk_buff *skb, unsigned int headroom,
{
int delta = 0;
- if (headroom < NET_SKB_PAD)
- headroom = NET_SKB_PAD;
if (headroom > skb_headroom(skb))
delta = headroom - skb_headroom(skb);
diff --git a/include/net/dst.h b/include/net/dst.h
index 75766b4..16010d1 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -54,6 +54,8 @@ struct dst_entry {
#define DST_NOCACHE 0x0010
#define DST_NOCOUNT 0x0020
#define DST_NOPEER 0x0040
+#define DST_FAKE_RTABLE 0x0080
+#define DST_XFRM_TUNNEL 0x0100
short error;
short obsolete;
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 6a72a58..ad03988 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -703,4 +703,17 @@ static inline void sctp_v4_map_v6(union sctp_addr *addr)
addr->v6.sin6_addr.s6_addr32[2] = htonl(0x0000ffff);
}
+/* The cookie is always 0 since this is how it's used in the
+ * pmtu code.
+ */
+static inline struct dst_entry *sctp_transport_dst_check(struct sctp_transport *t)
+{
+ if (t->dst && !dst_check(t->dst, 0)) {
+ dst_release(t->dst);
+ t->dst = NULL;
+ }
+
+ return t->dst;
+}
+
#endif /* __net_sctp_h__ */
diff --git a/kernel/fork.c b/kernel/fork.c
index 26f1ab0..79ee71f 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -352,7 +352,8 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
}
charge = 0;
if (mpnt->vm_flags & VM_ACCOUNT) {
- unsigned int len = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT;
+ unsigned long len;
+ len = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT;
if (security_vm_enough_memory(len))
goto fail_nomem;
charge = len;
diff --git a/lib/btree.c b/lib/btree.c
index 2a34392..297124d 100644
--- a/lib/btree.c
+++ b/lib/btree.c
@@ -319,8 +319,8 @@ void *btree_get_prev(struct btree_head *head, struct btree_geo *geo,
if (head->height == 0)
return NULL;
-retry:
longcpy(key, __key, geo->keylen);
+retry:
dec_key(geo, key);
node = head->node;
@@ -351,7 +351,7 @@ retry:
}
miss:
if (retry_key) {
- __key = retry_key;
+ longcpy(key, retry_key, geo->keylen);
retry_key = NULL;
goto retry;
}
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 7120c2e..5f5c545 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2068,6 +2068,15 @@ static void hugetlb_vm_op_open(struct vm_area_struct *vma)
kref_get(&reservations->refs);
}
+static void resv_map_put(struct vm_area_struct *vma)
+{
+ struct resv_map *reservations = vma_resv_map(vma);
+
+ if (!reservations)
+ return;
+ kref_put(&reservations->refs, resv_map_release);
+}
+
static void hugetlb_vm_op_close(struct vm_area_struct *vma)
{
struct hstate *h = hstate_vma(vma);
@@ -2083,7 +2092,7 @@ static void hugetlb_vm_op_close(struct vm_area_struct *vma)
reserve = (end - start) -
region_count(&reservations->regions, start, end);
- kref_put(&reservations->refs, resv_map_release);
+ resv_map_put(vma);
if (reserve) {
hugetlb_acct_memory(h, -reserve);
@@ -2884,12 +2893,16 @@ int hugetlb_reserve_pages(struct inode *inode,
set_vma_resv_flags(vma, HPAGE_RESV_OWNER);
}
- if (chg < 0)
- return chg;
+ if (chg < 0) {
+ ret = chg;
+ goto out_err;
+ }
/* There must be enough filesystem quota for the mapping */
- if (hugetlb_get_quota(inode->i_mapping, chg))
- return -ENOSPC;
+ if (hugetlb_get_quota(inode->i_mapping, chg)) {
+ ret = -ENOSPC;
+ goto out_err;
+ }
/*
* Check enough hugepages are available for the reservation.
@@ -2898,7 +2911,7 @@ int hugetlb_reserve_pages(struct inode *inode,
ret = hugetlb_acct_memory(h, chg);
if (ret < 0) {
hugetlb_put_quota(inode->i_mapping, chg);
- return ret;
+ goto out_err;
}
/*
@@ -2915,6 +2928,10 @@ int hugetlb_reserve_pages(struct inode *inode,
if (!vma || vma->vm_flags & VM_MAYSHARE)
region_add(&inode->i_mapping->private_list, from, to);
return 0;
+out_err:
+ if (vma)
+ resv_map_put(vma);
+ return ret;
}
void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed)
diff --git a/mm/slub.c b/mm/slub.c
index a99c785..af47188 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1506,15 +1506,19 @@ static inline void *acquire_slab(struct kmem_cache *s,
freelist = page->freelist;
counters = page->counters;
new.counters = counters;
- if (mode)
+ if (mode) {
new.inuse = page->objects;
+ new.freelist = NULL;
+ } else {
+ new.freelist = freelist;
+ }
VM_BUG_ON(new.frozen);
new.frozen = 1;
} while (!__cmpxchg_double_slab(s, page,
freelist, counters,
- NULL, new.counters,
+ new.freelist, new.counters,
"lock and freeze"));
remove_partial(n, page);
@@ -1556,7 +1560,6 @@ static void *get_partial_node(struct kmem_cache *s,
object = t;
available = page->objects - page->inuse;
} else {
- page->freelist = t;
available = put_cpu_partial(s, page, 0);
}
if (kmem_cache_debug(s) || available > s->cpu_partial / 2)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 27be2f0..eeba3bb 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -256,7 +256,7 @@ struct vmap_area {
struct rb_node rb_node; /* address sorted rbtree */
struct list_head list; /* address sorted list */
struct list_head purge_list; /* "lazy purge" list */
- void *private;
+ struct vm_struct *vm;
struct rcu_head rcu_head;
};
@@ -1160,9 +1160,10 @@ void __init vmalloc_init(void)
/* Import existing vmlist entries. */
for (tmp = vmlist; tmp; tmp = tmp->next) {
va = kzalloc(sizeof(struct vmap_area), GFP_NOWAIT);
- va->flags = tmp->flags | VM_VM_AREA;
+ va->flags = VM_VM_AREA;
va->va_start = (unsigned long)tmp->addr;
va->va_end = va->va_start + tmp->size;
+ va->vm = tmp;
__insert_vmap_area(va);
}
@@ -1260,7 +1261,7 @@ static void setup_vmalloc_vm(struct vm_struct *vm, struct vmap_area *va,
vm->addr = (void *)va->va_start;
vm->size = va->va_end - va->va_start;
vm->caller = caller;
- va->private = vm;
+ va->vm = vm;
va->flags |= VM_VM_AREA;
}
@@ -1383,7 +1384,7 @@ static struct vm_struct *find_vm_area(const void *addr)
va = find_vmap_area((unsigned long)addr);
if (va && va->flags & VM_VM_AREA)
- return va->private;
+ return va->vm;
return NULL;
}
@@ -1402,7 +1403,7 @@ struct vm_struct *remove_vm_area(const void *addr)
va = find_vmap_area((unsigned long)addr);
if (va && va->flags & VM_VM_AREA) {
- struct vm_struct *vm = va->private;
+ struct vm_struct *vm = va->vm;
if (!(vm->flags & VM_UNLIST)) {
struct vm_struct *tmp, **p;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index cb33d9c..fbe2d2c 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -697,7 +697,7 @@ static enum page_references page_check_references(struct page *page,
return PAGEREF_RECLAIM;
if (referenced_ptes) {
- if (PageAnon(page))
+ if (PageSwapBacked(page))
return PAGEREF_ACTIVATE;
/*
* All mapped pages start out with page table
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index bc25286..0cccca8 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -156,7 +156,7 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
skb = __vlan_hwaccel_put_tag(skb, vlan_tci);
}
- skb_set_dev(skb, vlan_dev_info(dev)->real_dev);
+ skb->dev = vlan_dev_info(dev)->real_dev;
len = skb->len;
ret = dev_queue_xmit(skb);
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index ee64287..e221f88 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -47,6 +47,7 @@ int br_dev_queue_push_xmit(struct sk_buff *skb)
kfree_skb(skb);
} else {
skb_push(skb, ETH_HLEN);
+ br_drop_fake_rtable(skb);
dev_queue_xmit(skb);
}
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index fa8b8f7..577ea5d 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -147,7 +147,7 @@ void br_netfilter_rtable_init(struct net_bridge *br)
rt->dst.dev = br->dev;
rt->dst.path = &rt->dst;
dst_init_metrics(&rt->dst, br_dst_default_metrics, true);
- rt->dst.flags = DST_NOXFRM | DST_NOPEER;
+ rt->dst.flags = DST_NOXFRM | DST_NOPEER | DST_FAKE_RTABLE;
rt->dst.ops = &fake_dst_ops;
}
@@ -687,11 +687,7 @@ static unsigned int br_nf_local_in(unsigned int hook, struct sk_buff *skb,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- struct rtable *rt = skb_rtable(skb);
-
- if (rt && rt == bridge_parent_rtable(in))
- skb_dst_drop(skb);
-
+ br_drop_fake_rtable(skb);
return NF_ACCEPT;
}
diff --git a/net/core/dev.c b/net/core/dev.c
index 61a7baa..1cbddc9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1607,10 +1607,14 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
kfree_skb(skb);
return NET_RX_DROP;
}
- skb_set_dev(skb, dev);
+ skb->dev = dev;
+ skb_dst_drop(skb);
skb->tstamp.tv64 = 0;
skb->pkt_type = PACKET_HOST;
skb->protocol = eth_type_trans(skb, dev);
+ skb->mark = 0;
+ secpath_reset(skb);
+ nf_reset(skb);
return netif_rx(skb);
}
EXPORT_SYMBOL_GPL(dev_forward_skb);
@@ -1865,36 +1869,6 @@ void netif_device_attach(struct net_device *dev)
}
EXPORT_SYMBOL(netif_device_attach);
-/**
- * skb_dev_set -- assign a new device to a buffer
- * @skb: buffer for the new device
- * @dev: network device
- *
- * If an skb is owned by a device already, we have to reset
- * all data private to the namespace a device belongs to
- * before assigning it a new device.
- */
-#ifdef CONFIG_NET_NS
-void skb_set_dev(struct sk_buff *skb, struct net_device *dev)
-{
- skb_dst_drop(skb);
- if (skb->dev && !net_eq(dev_net(skb->dev), dev_net(dev))) {
- secpath_reset(skb);
- nf_reset(skb);
- skb_init_secmark(skb);
- skb->mark = 0;
- skb->priority = 0;
- skb->nf_trace = 0;
- skb->ipvs_property = 0;
-#ifdef CONFIG_NET_SCHED
- skb->tc_index = 0;
-#endif
- }
- skb->dev = dev;
-}
-EXPORT_SYMBOL(skb_set_dev);
-#endif /* CONFIG_NET_NS */
-
/*
* Invalidate hardware checksum when packet is to be mangled, and
* complete checksum manually on outgoing path.
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index a5b4134..530787b 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -457,28 +457,22 @@ static u32 esp4_get_mtu(struct xfrm_state *x, int mtu)
struct esp_data *esp = x->data;
u32 blksize = ALIGN(crypto_aead_blocksize(esp->aead), 4);
u32 align = max_t(u32, blksize, esp->padlen);
- u32 rem;
-
- mtu -= x->props.header_len + crypto_aead_authsize(esp->aead);
- rem = mtu & (align - 1);
- mtu &= ~(align - 1);
+ unsigned int net_adj;
switch (x->props.mode) {
- case XFRM_MODE_TUNNEL:
- break;
- default:
case XFRM_MODE_TRANSPORT:
- /* The worst case */
- mtu -= blksize - 4;
- mtu += min_t(u32, blksize - 4, rem);
- break;
case XFRM_MODE_BEET:
- /* The worst case. */
- mtu += min_t(u32, IPV4_BEET_PHMAXLEN, rem);
+ net_adj = sizeof(struct iphdr);
break;
+ case XFRM_MODE_TUNNEL:
+ net_adj = 0;
+ break;
+ default:
+ BUG();
}
- return mtu - 2;
+ return ((mtu - x->props.header_len - crypto_aead_authsize(esp->aead) -
+ net_adj) & ~(align - 1)) + (net_adj - 2);
}
static void esp4_err(struct sk_buff *skb, u32 info)
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 80106d8..d01f9c6 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -146,6 +146,12 @@ static void free_fib_info_rcu(struct rcu_head *head)
{
struct fib_info *fi = container_of(head, struct fib_info, rcu);
+ change_nexthops(fi) {
+ if (nexthop_nh->nh_dev)
+ dev_put(nexthop_nh->nh_dev);
+ } endfor_nexthops(fi);
+
+ release_net(fi->fib_net);
if (fi->fib_metrics != (u32 *) dst_default_metrics)
kfree(fi->fib_metrics);
kfree(fi);
@@ -157,13 +163,7 @@ void free_fib_info(struct fib_info *fi)
pr_warning("Freeing alive fib_info %p\n", fi);
return;
}
- change_nexthops(fi) {
- if (nexthop_nh->nh_dev)
- dev_put(nexthop_nh->nh_dev);
- nexthop_nh->nh_dev = NULL;
- } endfor_nexthops(fi);
fib_info_cnt--;
- release_net(fi->fib_net);
call_rcu(&fi->rcu, free_fib_info_rcu);
}
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 3ce23f9..cd2d639 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1372,6 +1372,8 @@ static int check_leaf(struct fib_table *tb, struct trie *t, struct leaf *l,
if (fa->fa_tos && fa->fa_tos != flp->flowi4_tos)
continue;
+ if (fi->fib_dead)
+ continue;
if (fa->fa_info->fib_scope < flp->flowi4_scope)
continue;
fib_alias_accessed(fa);
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 1ac7938..65dd543 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -411,19 +411,15 @@ static u32 esp6_get_mtu(struct xfrm_state *x, int mtu)
struct esp_data *esp = x->data;
u32 blksize = ALIGN(crypto_aead_blocksize(esp->aead), 4);
u32 align = max_t(u32, blksize, esp->padlen);
- u32 rem;
+ unsigned int net_adj;
- mtu -= x->props.header_len + crypto_aead_authsize(esp->aead);
- rem = mtu & (align - 1);
- mtu &= ~(align - 1);
-
- if (x->props.mode != XFRM_MODE_TUNNEL) {
- u32 padsize = ((blksize - 1) & 7) + 1;
- mtu -= blksize - padsize;
- mtu += min_t(u32, blksize - padsize, rem);
- }
+ if (x->props.mode != XFRM_MODE_TUNNEL)
+ net_adj = sizeof(struct ipv6hdr);
+ else
+ net_adj = 0;
- return mtu - 2;
+ return ((mtu - x->props.header_len - crypto_aead_authsize(esp->aead) -
+ net_adj) & ~(align - 1)) + (net_adj - 2);
}
static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index f7f07e2..ae98e09 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1178,6 +1178,29 @@ static inline struct ipv6_rt_hdr *ip6_rthdr_dup(struct ipv6_rt_hdr *src,
return src ? kmemdup(src, (src->hdrlen + 1) * 8, gfp) : NULL;
}
+static void ip6_append_data_mtu(int *mtu,
+ int *maxfraglen,
+ unsigned int fragheaderlen,
+ struct sk_buff *skb,
+ struct rt6_info *rt)
+{
+ if (!(rt->dst.flags & DST_XFRM_TUNNEL)) {
+ if (skb == NULL) {
+ /* first fragment, reserve header_len */
+ *mtu = *mtu - rt->dst.header_len;
+
+ } else {
+ /*
+ * this fragment is not first, the headers
+ * space is regarded as data space.
+ */
+ *mtu = dst_mtu(rt->dst.path);
+ }
+ *maxfraglen = ((*mtu - fragheaderlen) & ~7)
+ + fragheaderlen - sizeof(struct frag_hdr);
+ }
+}
+
int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
int offset, int len, int odd, struct sk_buff *skb),
void *from, int length, int transhdrlen,
@@ -1187,7 +1210,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct inet_cork *cork;
- struct sk_buff *skb;
+ struct sk_buff *skb, *skb_prev = NULL;
unsigned int maxfraglen, fragheaderlen;
int exthdrlen;
int dst_exthdrlen;
@@ -1245,8 +1268,12 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
inet->cork.fl.u.ip6 = *fl6;
np->cork.hop_limit = hlimit;
np->cork.tclass = tclass;
- mtu = np->pmtudisc == IPV6_PMTUDISC_PROBE ?
- rt->dst.dev->mtu : dst_mtu(&rt->dst);
+ if (rt->dst.flags & DST_XFRM_TUNNEL)
+ mtu = np->pmtudisc == IPV6_PMTUDISC_PROBE ?
+ rt->dst.dev->mtu : dst_mtu(&rt->dst);
+ else
+ mtu = np->pmtudisc == IPV6_PMTUDISC_PROBE ?
+ rt->dst.dev->mtu : dst_mtu(rt->dst.path);
if (np->frag_size < mtu) {
if (np->frag_size)
mtu = np->frag_size;
@@ -1342,25 +1369,27 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
unsigned int fraglen;
unsigned int fraggap;
unsigned int alloclen;
- struct sk_buff *skb_prev;
alloc_new_skb:
- skb_prev = skb;
-
/* There's no room in the current skb */
- if (skb_prev)
- fraggap = skb_prev->len - maxfraglen;
+ if (skb)
+ fraggap = skb->len - maxfraglen;
else
fraggap = 0;
+ /* update mtu and maxfraglen if necessary */
+ if (skb == NULL || skb_prev == NULL)
+ ip6_append_data_mtu(&mtu, &maxfraglen,
+ fragheaderlen, skb, rt);
+
+ skb_prev = skb;
/*
* If remaining data exceeds the mtu,
* we know we need more fragment(s).
*/
datalen = length + fraggap;
- if (datalen > (cork->length <= mtu && !(cork->flags & IPCORK_ALLFRAG) ? mtu : maxfraglen) - fragheaderlen)
- datalen = maxfraglen - fragheaderlen;
- fraglen = datalen + fragheaderlen;
+ if (datalen > (cork->length <= mtu && !(cork->flags & IPCORK_ALLFRAG) ? mtu : maxfraglen) - fragheaderlen)
+ datalen = maxfraglen - fragheaderlen - rt->dst.trailer_len;
if ((flags & MSG_MORE) &&
!(rt->dst.dev->features&NETIF_F_SG))
alloclen = mtu;
@@ -1369,13 +1398,16 @@ alloc_new_skb:
alloclen += dst_exthdrlen;
- /*
- * The last fragment gets additional space at tail.
- * Note: we overallocate on fragments with MSG_MODE
- * because we have no idea if we're the last one.
- */
- if (datalen == length + fraggap)
- alloclen += rt->dst.trailer_len;
+ if (datalen != length + fraggap) {
+ /*
+ * this is not the last fragment, the trailer
+ * space is regarded as data space.
+ */
+ datalen += rt->dst.trailer_len;
+ }
+
+ alloclen += rt->dst.trailer_len;
+ fraglen = datalen + fragheaderlen;
/*
* We just reserve space for fragment header.
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 2a2a3e7..2fbbe1f 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -251,9 +251,16 @@ static int l2tp_ip_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
{
struct inet_sock *inet = inet_sk(sk);
struct sockaddr_l2tpip *addr = (struct sockaddr_l2tpip *) uaddr;
- int ret = -EINVAL;
+ int ret;
int chk_addr_ret;
+ if (!sock_flag(sk, SOCK_ZAPPED))
+ return -EINVAL;
+ if (addr_len < sizeof(struct sockaddr_l2tpip))
+ return -EINVAL;
+ if (addr->l2tp_family != AF_INET)
+ return -EINVAL;
+
ret = -EADDRINUSE;
read_lock_bh(&l2tp_ip_lock);
if (__l2tp_ip_bind_lookup(&init_net, addr->l2tp_addr.s_addr, sk->sk_bound_dev_if, addr->l2tp_conn_id))
@@ -283,6 +290,8 @@ static int l2tp_ip_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
sk_del_node_init(sk);
write_unlock_bh(&l2tp_ip_lock);
ret = 0;
+ sock_reset_flag(sk, SOCK_ZAPPED);
+
out:
release_sock(sk);
@@ -303,13 +312,14 @@ static int l2tp_ip_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len
__be32 saddr;
int oif, rc;
- rc = -EINVAL;
+ if (sock_flag(sk, SOCK_ZAPPED)) /* Must bind first - autobinding does not work */
+ return -EINVAL;
+
if (addr_len < sizeof(*lsa))
- goto out;
+ return -EINVAL;
- rc = -EAFNOSUPPORT;
if (lsa->l2tp_family != AF_INET)
- goto out;
+ return -EAFNOSUPPORT;
lock_sock(sk);
@@ -363,6 +373,14 @@ out:
return rc;
}
+static int l2tp_ip_disconnect(struct sock *sk, int flags)
+{
+ if (sock_flag(sk, SOCK_ZAPPED))
+ return 0;
+
+ return udp_disconnect(sk, flags);
+}
+
static int l2tp_ip_getname(struct socket *sock, struct sockaddr *uaddr,
int *uaddr_len, int peer)
{
@@ -598,7 +616,7 @@ static struct proto l2tp_ip_prot = {
.close = l2tp_ip_close,
.bind = l2tp_ip_bind,
.connect = l2tp_ip_connect,
- .disconnect = udp_disconnect,
+ .disconnect = l2tp_ip_disconnect,
.ioctl = udp_ioctl,
.destroy = l2tp_ip_destroy_sock,
.setsockopt = ip_setsockopt,
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index d5230ec..7095ae5 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1111,6 +1111,12 @@ int ieee80211_reconfig(struct ieee80211_local *local)
}
}
+ /* add back keys */
+ list_for_each_entry(sdata, &local->interfaces, list)
+ if (ieee80211_sdata_running(sdata))
+ ieee80211_enable_keys(sdata);
+
+ wake_up:
/*
* Clear the WLAN_STA_BLOCK_BA flag so new aggregation
* sessions can be established after a resume.
@@ -1132,12 +1138,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
mutex_unlock(&local->sta_mtx);
}
- /* add back keys */
- list_for_each_entry(sdata, &local->interfaces, list)
- if (ieee80211_sdata_running(sdata))
- ieee80211_enable_keys(sdata);
-
- wake_up:
ieee80211_wake_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 817174e..8fc4dcd 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -377,9 +377,7 @@ int sctp_packet_transmit(struct sctp_packet *packet)
*/
skb_set_owner_w(nskb, sk);
- /* The 'obsolete' field of dst is set to 2 when a dst is freed. */
- if (!dst || (dst->obsolete > 1)) {
- dst_release(dst);
+ if (!sctp_transport_dst_check(tp)) {
sctp_transport_route(tp, NULL, sctp_sk(sk));
if (asoc && (asoc->param_flags & SPP_PMTUD_ENABLE)) {
sctp_assoc_sync_pmtu(asoc);
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index 394c57c..8da4481 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -226,23 +226,6 @@ void sctp_transport_pmtu(struct sctp_transport *transport, struct sock *sk)
transport->pathmtu = SCTP_DEFAULT_MAXSEGMENT;
}
-/* this is a complete rip-off from __sk_dst_check
- * the cookie is always 0 since this is how it's used in the
- * pmtu code
- */
-static struct dst_entry *sctp_transport_dst_check(struct sctp_transport *t)
-{
- struct dst_entry *dst = t->dst;
-
- if (dst && dst->obsolete && dst->ops->check(dst, 0) == NULL) {
- dst_release(t->dst);
- t->dst = NULL;
- return NULL;
- }
-
- return dst;
-}
-
void sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu)
{
struct dst_entry *dst;
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index f0268ea..b2250da 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -959,6 +959,8 @@ call_reserveresult(struct rpc_task *task)
}
switch (status) {
+ case -ENOMEM:
+ rpc_delay(task, HZ >> 2);
case -EAGAIN: /* woken up; retry */
task->tk_action = call_reserve;
return;
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index c64c0ef..3ac9789 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -977,15 +977,16 @@ static void xprt_alloc_slot(struct rpc_task *task)
goto out_init_req;
switch (PTR_ERR(req)) {
case -ENOMEM:
- rpc_delay(task, HZ >> 2);
dprintk("RPC: dynamic allocation of request slot "
"failed! Retrying\n");
+ task->tk_status = -ENOMEM;
break;
case -EAGAIN:
rpc_sleep_on(&xprt->backlog, task, NULL);
dprintk("RPC: waiting for request slot\n");
+ default:
+ task->tk_status = -EAGAIN;
}
- task->tk_status = -EAGAIN;
return;
out_init_req:
task->tk_status = 0;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 9049a5c..0174034 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1919,6 +1919,9 @@ no_transform:
}
ok:
xfrm_pols_put(pols, drop_pols);
+ if (dst && dst->xfrm &&
+ dst->xfrm->props.mode == XFRM_MODE_TUNNEL)
+ dst->flags |= DST_XFRM_TUNNEL;
return dst;
nopol:
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 0220b0f..839165f 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -698,6 +698,9 @@ static int snd_usb_pcm_check_knot(struct snd_pcm_runtime *runtime,
int count = 0, needs_knot = 0;
int err;
+ kfree(subs->rate_list.list);
+ subs->rate_list.list = NULL;
+
list_for_each_entry(fp, &subs->fmt_list, list) {
if (fp->rates & SNDRV_PCM_RATE_CONTINUOUS)
return 0;
--
Ben Hutchings
I haven't lost my mind; it's backed up on tape somewhere.
Download attachment "signature.asc" of type "application/pgp-signature" (829 bytes)
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