main/linux-grsec: upgrade to 3.14.14

2 files changed, 197 insertions, 488 deletions

diff --git a/main/linux-grsec/APKBUILD b/main/linux-grsec/APKBUILD
index 5547bd3f95..f7440e25ab 100644
--- a/main/linux-grsec/APKBUILD
+++ b/main/linux-grsec/APKBUILD
@@ -2,12 +2,12 @@
 
 _flavor=grsec
 pkgname=linux-${_flavor}
-pkgver=3.14.13
+pkgver=3.14.14
 case $pkgver in
 *.*.*)	_kernver=${pkgver%.*};;
 *.*)	_kernver=${pkgver};;
 esac
-pkgrel=1
+pkgrel=0
 pkgdesc="Linux kernel with grsecurity"
 url=http://grsecurity.net
 depends="mkinitfs linux-firmware"
@@ -17,7 +17,7 @@ _config=${config:-kernelconfig.${CARCH}}
 install=
 source="http://ftp.kernel.org/pub/linux/kernel/v3.x/linux-$_kernver.tar.xz
 	http://ftp.kernel.org/pub/linux/kernel/v3.x/patch-$pkgver.xz
-	grsecurity-3.0-3.14.13-201407232159.patch
+	grsecurity-3.0-3.14.14-201407282111.patch
 
 	fix-memory-map-for-PIE-applications.patch
 	imx6q-no-unclocked-sleep.patch
@@ -165,24 +165,24 @@ dev() {
 }
 
 md5sums="b621207b3f6ecbb67db18b13258f8ea8  linux-3.14.tar.xz
-132470897fc5d57f5ac7d658100cc430  patch-3.14.13.xz
-a5ee03e4eb9c979a68214661ebf1dece  grsecurity-3.0-3.14.13-201407232159.patch
+a0349eb104a30f55d0aef3f960a4f0df  patch-3.14.14.xz
+c462f939ea43655c0aaf007ea507366a  grsecurity-3.0-3.14.14-201407282111.patch
 c6a4ae7e8ca6159e1631545515805216  fix-memory-map-for-PIE-applications.patch
 1a307fc1d63231bf01d22493a4f14378  imx6q-no-unclocked-sleep.patch
 69688dbc1669bfd04dec7bb316e58b8d  kernelconfig.x86
 e0b3a0898935183bf42078350d2e31f1  kernelconfig.x86_64
 0d71b1663f7cbfffc6e403deca4bbe86  kernelconfig.armhf"
 sha256sums="61558aa490855f42b6340d1a1596be47454909629327c49a5e4e10268065dffa  linux-3.14.tar.xz
-e6b1a87470ab9f749002959e2c9ca2f7229b4b34f313120b4800eb39f08c4698  patch-3.14.13.xz
-8f892153ab184acec6575ceda7e2b5007aa2e934b193f059064d88b6a7f47477  grsecurity-3.0-3.14.13-201407232159.patch
+282451336497b075749a99678de0ef638a46f22fbb0837480dfd354fb2561c1f  patch-3.14.14.xz
+f3021afbbad7c90578b37a4ad89b0067da4a613e988a71f4019733cd9a3129d8  grsecurity-3.0-3.14.14-201407282111.patch
 500f3577310be52e87b9fecdc2e9c4ca43210fd97d69089f9005d484563f74c7  fix-memory-map-for-PIE-applications.patch
 21179fbb22a5b74af0a609350ae1a170e232908572b201d02e791d2ce0a685d3  imx6q-no-unclocked-sleep.patch
 61c9344b8643ab81b0d7230f77fa003c8e2ce46bf4ea18315708e77ccef5de83  kernelconfig.x86
 1ce44d635856578779ff6c0d1ba97c4ce44e988411e3c702a79859c28bd8c91c  kernelconfig.x86_64
 3cddaac02211dd0f5eb4531aecc3a1427f29dcec7b31d9fe0042192d591bcdc8  kernelconfig.armhf"
 sha512sums="5730d83a7a81134c1e77c0bf89e42dee4f8251ad56c1ac2be20c59e26fdfaa7bea55f277e7af156b637f22e1584914a46089af85039177cb43485089c74ac26e  linux-3.14.tar.xz
-49ec8684af792696230c62960dd2e1623c5ed078de4954739c366cba404cb2e6d5fbd62a8173d48dc29627c9a38e99dbeb9e96fb4f6c6a2fa077e6c5f56535e8  patch-3.14.13.xz
-17289ac3e3ffbd34785d9827cefbf6b7da829e1a878c5e16378b3bb681050fc07d4e94f29b9fcbfe74df21d2743377bc6462fdb25f0ee63f709864cb18060760  grsecurity-3.0-3.14.13-201407232159.patch
+fc838621a786141f21b86741985e99e5c803b7a9476f126d95678bc6e23205e4cd3c33012b30559a5f4dc4bf25199963d1a8347d6486407581ec0677dd64d4a6  patch-3.14.14.xz
+27d7bebc591f1c4800ebc4289900045346e8adebd6529e514d3ba1a9d9f043ca711ea0b1c43aa061c70906941bd3d8d072c7ee8bc8d6020fe3d236748031984e  grsecurity-3.0-3.14.14-201407282111.patch
 4665c56ae1bbac311f9205d64918e84ee8b01d47d6e2396ff6b8adfb10aada7f7254531ce62e31edbb65c2a54a830f09ad05d314dfcd75d6272f4068945ad7c7  fix-memory-map-for-PIE-applications.patch
 87d1ad59732f265a5b0db54490dc1762c14ea4b868e7eb1aedc3ce57b48046de7bbc08cf5cfcf6f1380fa84063b0edb16ba3d5e3c5670be9bbb229275c88b221  imx6q-no-unclocked-sleep.patch
 0889c17d6509b8078aa2fd1ba2977a8fa88260bd080e780aeefd7eb6a8805b3bb9a3132991fc1050e6b7bce0ca118ce7f2c57c0f33459812f69c4dee75ff96cf  kernelconfig.x86
diff --git a/main/linux-grsec/grsecurity-3.0-3.14.13-201407232159.patch b/main/linux-grsec/grsecurity-3.0-3.14.14-201407282111.patch
index 81dff0ffb4..f2197e016b 100644
--- a/main/linux-grsec/grsecurity-3.0-3.14.13-201407232159.patch
+++ b/main/linux-grsec/grsecurity-3.0-3.14.14-201407282111.patch
@@ -287,7 +287,7 @@ index 7116fda..d8ed6e8 100644
  
  	pcd.		[PARIDE]
 diff --git a/Makefile b/Makefile
-index 7a2981c..9fadd78 100644
+index 230c7f6..64a1278 100644
 --- a/Makefile
 +++ b/Makefile
 @@ -244,8 +244,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
@@ -386,7 +386,16 @@ index 7a2981c..9fadd78 100644
  include $(srctree)/arch/$(SRCARCH)/Makefile
  
  ifdef CONFIG_READABLE_ASM
-@@ -779,7 +846,7 @@ export mod_sign_cmd
+@@ -639,6 +706,8 @@ KBUILD_CFLAGS	+= -fomit-frame-pointer
+ endif
+ endif
+ 
++KBUILD_CFLAGS   += $(call cc-option, -fno-var-tracking-assignments)
++
+ ifdef CONFIG_DEBUG_INFO
+ KBUILD_CFLAGS	+= -g
+ KBUILD_AFLAGS	+= -Wa,--gdwarf-2
+@@ -779,7 +848,7 @@ export mod_sign_cmd
  
  
  ifeq ($(KBUILD_EXTMOD),)
@@ -395,7 +404,7 @@ index 7a2981c..9fadd78 100644
  
  vmlinux-dirs	:= $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \
  		     $(core-y) $(core-m) $(drivers-y) $(drivers-m) \
-@@ -828,6 +895,8 @@ endif
+@@ -828,6 +897,8 @@ endif
  
  # The actual objects are generated when descending, 
  # make sure no implicit rule kicks in
@@ -404,7 +413,7 @@ index 7a2981c..9fadd78 100644
  $(sort $(vmlinux-deps)): $(vmlinux-dirs) ;
  
  # Handle descending into subdirectories listed in $(vmlinux-dirs)
-@@ -837,7 +906,7 @@ $(sort $(vmlinux-deps)): $(vmlinux-dirs) ;
+@@ -837,7 +908,7 @@ $(sort $(vmlinux-deps)): $(vmlinux-dirs) ;
  # Error messages still appears in the original language
  
  PHONY += $(vmlinux-dirs)
@@ -413,7 +422,7 @@ index 7a2981c..9fadd78 100644
  	$(Q)$(MAKE) $(build)=$@
  
  define filechk_kernel.release
-@@ -880,10 +949,13 @@ prepare1: prepare2 $(version_h) include/generated/utsrelease.h \
+@@ -880,10 +951,13 @@ prepare1: prepare2 $(version_h) include/generated/utsrelease.h \
  
  archprepare: archheaders archscripts prepare1 scripts_basic
  
@@ -427,7 +436,7 @@ index 7a2981c..9fadd78 100644
  prepare: prepare0
  
  # Generate some files
-@@ -991,6 +1063,8 @@ all: modules
+@@ -991,6 +1065,8 @@ all: modules
  #	using awk while concatenating to the final file.
  
  PHONY += modules
@@ -436,7 +445,7 @@ index 7a2981c..9fadd78 100644
  modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin
  	$(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order
  	@$(kecho) '  Building modules, stage 2.';
-@@ -1006,7 +1080,7 @@ modules.builtin: $(vmlinux-dirs:%=%/modules.builtin)
+@@ -1006,7 +1082,7 @@ modules.builtin: $(vmlinux-dirs:%=%/modules.builtin)
  
  # Target to prepare building external modules
  PHONY += modules_prepare
@@ -445,7 +454,7 @@ index 7a2981c..9fadd78 100644
  
  # Target to install modules
  PHONY += modules_install
-@@ -1072,7 +1146,10 @@ MRPROPER_FILES += .config .config.old .version .old_version $(version_h) \
+@@ -1072,7 +1148,10 @@ MRPROPER_FILES += .config .config.old .version .old_version $(version_h) \
  		  Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
  		  signing_key.priv signing_key.x509 x509.genkey		\
  		  extra_certificates signing_key.x509.keyid		\
@@ -457,7 +466,7 @@ index 7a2981c..9fadd78 100644
  
  # clean - Delete most, but leave enough to build external modules
  #
-@@ -1111,7 +1188,7 @@ distclean: mrproper
+@@ -1111,7 +1190,7 @@ distclean: mrproper
  	@find $(srctree) $(RCS_FIND_IGNORE) \
  		\( -name '*.orig' -o -name '*.rej' -o -name '*~' \
  		-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
@@ -466,7 +475,7 @@ index 7a2981c..9fadd78 100644
  		-o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \
  		-type f -print | xargs rm -f
  
-@@ -1273,6 +1350,8 @@ PHONY += $(module-dirs) modules
+@@ -1273,6 +1352,8 @@ PHONY += $(module-dirs) modules
  $(module-dirs): crmodverdir $(objtree)/Module.symvers
  	$(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@)
  
@@ -475,7 +484,7 @@ index 7a2981c..9fadd78 100644
  modules: $(module-dirs)
  	@$(kecho) '  Building modules, stage 2.';
  	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
-@@ -1412,17 +1491,21 @@ else
+@@ -1412,17 +1493,21 @@ else
          target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
  endif
  
@@ -501,7 +510,7 @@ index 7a2981c..9fadd78 100644
  	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  %.symtypes: %.c prepare scripts FORCE
  	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
-@@ -1432,11 +1515,15 @@ endif
+@@ -1432,11 +1517,15 @@ endif
  	$(cmd_crmodverdir)
  	$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
  	$(build)=$(build-dir)
@@ -852,10 +861,10 @@ index 98838a0..b304fb4 100644
  		/* Allow reads even for write-only mappings */
  		if (!(vma->vm_flags & (VM_READ | VM_WRITE)))
 diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
-index 44298ad..29a20c0 100644
+index 4733d32..b142a40 100644
 --- a/arch/arm/Kconfig
 +++ b/arch/arm/Kconfig
-@@ -1862,7 +1862,7 @@ config ALIGNMENT_TRAP
+@@ -1863,7 +1863,7 @@ config ALIGNMENT_TRAP
  
  config UACCESS_WITH_MEMCPY
  	bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user()"
@@ -864,7 +873,7 @@ index 44298ad..29a20c0 100644
  	default y if CPU_FEROCEON
  	help
  	  Implement faster copy_to_user and clear_user methods for CPU
-@@ -2125,6 +2125,7 @@ config XIP_PHYS_ADDR
+@@ -2126,6 +2126,7 @@ config XIP_PHYS_ADDR
  config KEXEC
  	bool "Kexec system call (EXPERIMENTAL)"
  	depends on (!SMP || PM_SLEEP_SMP)
@@ -7960,10 +7969,10 @@ index d72197f..c017c84 100644
  	/*
  	 * If for any reason at all we couldn't handle the fault, make
 diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
-index 2156fa2..cc28613 100644
+index ee3c660..afa4212 100644
 --- a/arch/powerpc/Kconfig
 +++ b/arch/powerpc/Kconfig
-@@ -393,6 +393,7 @@ config PPC64_SUPPORTS_MEMORY_FAILURE
+@@ -394,6 +394,7 @@ config PPC64_SUPPORTS_MEMORY_FAILURE
  config KEXEC
  	bool "kexec system call"
  	depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP))
@@ -12643,7 +12652,7 @@ index ad8f795..2c7eec6 100644
  /*
   * Memory returned by kmalloc() may be used for DMA, so we must make
 diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
-index 1981dd9..8f3ff4d 100644
+index 7324107..a63fd9f 100644
 --- a/arch/x86/Kconfig
 +++ b/arch/x86/Kconfig
 @@ -126,7 +126,7 @@ config X86
@@ -12652,10 +12661,10 @@ index 1981dd9..8f3ff4d 100644
  	select HAVE_IRQ_EXIT_ON_IRQ_STACK if X86_64
 -	select HAVE_CC_STACKPROTECTOR
 +	select HAVE_CC_STACKPROTECTOR if X86_64 || !PAX_MEMORY_UDEREF
+ 	select ARCH_SUPPORTS_ATOMIC_RMW
  
  config INSTRUCTION_DECODER
- 	def_bool y
-@@ -251,7 +251,7 @@ config X86_HT
+@@ -252,7 +252,7 @@ config X86_HT
  
  config X86_32_LAZY_GS
  	def_bool y
@@ -12664,7 +12673,7 @@ index 1981dd9..8f3ff4d 100644
  
  config ARCH_HWEIGHT_CFLAGS
  	string
-@@ -589,6 +589,7 @@ config SCHED_OMIT_FRAME_POINTER
+@@ -590,6 +590,7 @@ config SCHED_OMIT_FRAME_POINTER
  
  menuconfig HYPERVISOR_GUEST
  	bool "Linux guest support"
@@ -12672,7 +12681,7 @@ index 1981dd9..8f3ff4d 100644
  	---help---
  	  Say Y here to enable options for running Linux under various hyper-
  	  visors. This option enables basic hypervisor detection and platform
-@@ -1111,7 +1112,7 @@ choice
+@@ -1112,7 +1113,7 @@ choice
  
  config NOHIGHMEM
  	bool "off"
@@ -12681,7 +12690,7 @@ index 1981dd9..8f3ff4d 100644
  	---help---
  	  Linux can use up to 64 Gigabytes of physical memory on x86 systems.
  	  However, the address space of 32-bit x86 processors is only 4
-@@ -1148,7 +1149,7 @@ config NOHIGHMEM
+@@ -1149,7 +1150,7 @@ config NOHIGHMEM
  
  config HIGHMEM4G
  	bool "4GB"
@@ -12690,7 +12699,7 @@ index 1981dd9..8f3ff4d 100644
  	---help---
  	  Select this if you have a 32-bit processor and between 1 and 4
  	  gigabytes of physical RAM.
-@@ -1201,7 +1202,7 @@ config PAGE_OFFSET
+@@ -1202,7 +1203,7 @@ config PAGE_OFFSET
  	hex
  	default 0xB0000000 if VMSPLIT_3G_OPT
  	default 0x80000000 if VMSPLIT_2G
@@ -12699,7 +12708,7 @@ index 1981dd9..8f3ff4d 100644
  	default 0x40000000 if VMSPLIT_1G
  	default 0xC0000000
  	depends on X86_32
-@@ -1605,6 +1606,7 @@ source kernel/Kconfig.hz
+@@ -1606,6 +1607,7 @@ source kernel/Kconfig.hz
  
  config KEXEC
  	bool "kexec system call"
@@ -12707,7 +12716,7 @@ index 1981dd9..8f3ff4d 100644
  	---help---
  	  kexec is a system call that implements the ability to shutdown your
  	  current kernel, and to start another kernel.  It is like a reboot
-@@ -1756,7 +1758,9 @@ config X86_NEED_RELOCS
+@@ -1757,7 +1759,9 @@ config X86_NEED_RELOCS
  
  config PHYSICAL_ALIGN
  	hex "Alignment value to which kernel should be aligned"
@@ -12718,7 +12727,7 @@ index 1981dd9..8f3ff4d 100644
  	range 0x2000 0x1000000 if X86_32
  	range 0x200000 0x1000000 if X86_64
  	---help---
-@@ -1836,9 +1840,10 @@ config DEBUG_HOTPLUG_CPU0
+@@ -1837,9 +1841,10 @@ config DEBUG_HOTPLUG_CPU0
  	  If unsure, say N.
  
  config COMPAT_VDSO
@@ -21968,10 +21977,10 @@ index 639d128..e92d7e5 100644
  
  	while (amd_iommu_v2_event_descs[i].attr.attr.name)
 diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
-index aa333d9..f9db700 100644
+index 1340ebf..fc6d5c9 100644
 --- a/arch/x86/kernel/cpu/perf_event_intel.c
 +++ b/arch/x86/kernel/cpu/perf_event_intel.c
-@@ -2309,10 +2309,10 @@ __init int intel_pmu_init(void)
+@@ -2318,10 +2318,10 @@ __init int intel_pmu_init(void)
  		x86_pmu.num_counters_fixed = max((int)edx.split.num_counters_fixed, 3);
  
  	if (boot_cpu_has(X86_FEATURE_PDCM)) {
@@ -28157,7 +28166,7 @@ index 57409f6..b505597 100644
  		if (!fixup_exception(regs)) {
  			task->thread.error_code = error_code;
 diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
-index cfbe99f..a6e8fa7 100644
+index e0d1d7a..db035d4 100644
 --- a/arch/x86/kernel/tsc.c
 +++ b/arch/x86/kernel/tsc.c
 @@ -150,7 +150,7 @@ static void cyc2ns_write_end(int cpu, struct cyc2ns_data *data)
@@ -41312,12 +41321,12 @@ index 0bb86e6..d41416d 100644
  			return -EFAULT;
  
 diff --git a/drivers/gpu/drm/qxl/qxl_irq.c b/drivers/gpu/drm/qxl/qxl_irq.c
-index 28f84b4..fb3e224 100644
+index 3485bdc..20d26e3 100644
 --- a/drivers/gpu/drm/qxl/qxl_irq.c
 +++ b/drivers/gpu/drm/qxl/qxl_irq.c
-@@ -33,19 +33,19 @@ irqreturn_t qxl_irq_handler(int irq, void *arg)
- 
- 	pending = xchg(&qdev->ram_header->int_pending, 0);
+@@ -36,19 +36,19 @@ irqreturn_t qxl_irq_handler(int irq, void *arg)
+ 	if (!pending)
+ 		return IRQ_NONE;
  
 -	atomic_inc(&qdev->irq_received);
 +	atomic_inc_unchecked(&qdev->irq_received);
@@ -41339,7 +41348,7 @@ index 28f84b4..fb3e224 100644
  		wake_up_all(&qdev->io_cmd_event);
  	}
  	if (pending & QXL_INTERRUPT_ERROR) {
-@@ -82,10 +82,10 @@ int qxl_irq_init(struct qxl_device *qdev)
+@@ -85,10 +85,10 @@ int qxl_irq_init(struct qxl_device *qdev)
  	init_waitqueue_head(&qdev->io_cmd_event);
  	INIT_WORK(&qdev->client_monitors_config_work,
  		  qxl_client_monitors_config_work_func);
@@ -43699,10 +43708,10 @@ index 228632c9..edfe331 100644
  
  bool setup_remapped_irq(int irq, struct irq_cfg *cfg, struct irq_chip *chip)
 diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
-index ac2d41b..c657aa4 100644
+index 12698ee..a58a958 100644
 --- a/drivers/irqchip/irq-gic.c
 +++ b/drivers/irqchip/irq-gic.c
-@@ -84,7 +84,7 @@ static u8 gic_cpu_map[NR_GIC_CPU_IF] __read_mostly;
+@@ -85,7 +85,7 @@ static u8 gic_cpu_map[NR_GIC_CPU_IF] __read_mostly;
   * Supported arch specific GIC irq extension.
   * Default make them NULL.
   */
@@ -43711,7 +43720,7 @@ index ac2d41b..c657aa4 100644
  	.irq_eoi	= NULL,
  	.irq_mask	= NULL,
  	.irq_unmask	= NULL,
-@@ -336,7 +336,7 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
+@@ -337,7 +337,7 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
  	chained_irq_exit(chip, desc);
  }
  
@@ -44523,7 +44532,7 @@ index 6a7f2b8..fea0bde 100644
  		       "start=%llu, len=%llu, dev_size=%llu",
  		       dm_device_name(ti->table->md), bdevname(bdev, b),
 diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
-index b086a94..74cb67e 100644
+index e9d33ad..dae9880d 100644
 --- a/drivers/md/dm-thin-metadata.c
 +++ b/drivers/md/dm-thin-metadata.c
 @@ -404,7 +404,7 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd)
@@ -46698,20 +46707,6 @@ index 455d4c3..3353ee7 100644
  	}
  
  	if (!request_mem_region(mem->start, mem_size, pdev->name)) {
-diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
-index dbcff50..5ed5124 100644
---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
-+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
-@@ -793,7 +793,8 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
- 
- 		return;
- 	}
--	bnx2x_frag_free(fp, new_data);
-+	if (new_data)
-+		bnx2x_frag_free(fp, new_data);
- drop:
- 	/* drop the packet and keep the buffer in the bin */
- 	DP(NETIF_MSG_RX_STATUS,
 diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
 index a89a40f..5a8a2ac 100644
 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -46844,7 +46839,7 @@ index c05b66d..ed69872 100644
  	break;
      }
 diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
-index 36c8061..ca5e1e0 100644
+index 80bfa03..45114e6 100644
 --- a/drivers/net/ethernet/emulex/benet/be_main.c
 +++ b/drivers/net/ethernet/emulex/benet/be_main.c
 @@ -534,7 +534,7 @@ static void accumulate_16bit_val(u32 *acc, u16 val)
@@ -52873,7 +52868,7 @@ index 2518c32..1c201bb 100644
  			wake_up(&usb_kill_urb_queue);
  		usb_put_urb(urb);
 diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
-index 3baa51b..92907cf 100644
+index 36b1e85..18fb0a4 100644
 --- a/drivers/usb/core/hub.c
 +++ b/drivers/usb/core/hub.c
 @@ -27,6 +27,7 @@
@@ -52884,7 +52879,7 @@ index 3baa51b..92907cf 100644
  
  #include <asm/uaccess.h>
  #include <asm/byteorder.h>
-@@ -4483,6 +4484,10 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
+@@ -4502,6 +4503,10 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
  			goto done;
  		return;
  	}
@@ -56887,7 +56882,7 @@ index ce25d75..dc09eeb 100644
  			     &data);
  	if (!inode) {
 diff --git a/fs/aio.c b/fs/aio.c
-index e609e15..c9fcd97 100644
+index 6d68e01..573d8dc 100644
 --- a/fs/aio.c
 +++ b/fs/aio.c
 @@ -380,7 +380,7 @@ static int aio_setup_ring(struct kioctx *ctx)
@@ -59032,7 +59027,7 @@ index a81147e..20bf2b5 100644
  
  /*
 diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
-index 3881610..ab3df0b 100644
+index 3881610..d4599d0 100644
 --- a/fs/compat_ioctl.c
 +++ b/fs/compat_ioctl.c
 @@ -621,7 +621,7 @@ static int serial_struct_ioctl(unsigned fd, unsigned cmd,
@@ -59050,7 +59045,7 @@ index 3881610..ab3df0b 100644
  			return -EFAULT;
 -		if (get_user(datap, &umsgs[i].buf) ||
 -		    put_user(compat_ptr(datap), &tmsgs[i].buf))
-+		if (get_user(datap, (u8 __user * __user *)&umsgs[i].buf) ||
++		if (get_user(datap, (compat_caddr_t __user *)&umsgs[i].buf) ||
 +		    put_user(compat_ptr(datap), (u8 __user * __user *)&tmsgs[i].buf))
  			return -EFAULT;
  	}
@@ -62039,10 +62034,10 @@ index 0a648bb..8d463f1 100644
  	}
  
 diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
-index 1d1292c..bba17ea 100644
+index 342f0239..d67794c 100644
 --- a/fs/fuse/dir.c
 +++ b/fs/fuse/dir.c
-@@ -1418,7 +1418,7 @@ static char *read_link(struct dentry *dentry)
+@@ -1419,7 +1419,7 @@ static char *read_link(struct dentry *dentry)
  	return link;
  }
  
@@ -84712,7 +84707,7 @@ index 0dfcc92..7967849 100644
  
  /* Structure to track chunk fragments that have been acked, but peer
 diff --git a/include/net/sock.h b/include/net/sock.h
-index 57c31dd..f5e5196 100644
+index 2f7bc43..530dadc 100644
 --- a/include/net/sock.h
 +++ b/include/net/sock.h
 @@ -348,7 +348,7 @@ struct sock {
@@ -84751,17 +84746,6 @@ index 57c31dd..f5e5196 100644
  
  static inline struct sock_iocb *kiocb_to_siocb(struct kiocb *iocb)
  {
-@@ -1755,8 +1755,8 @@ sk_dst_get(struct sock *sk)
- 
- 	rcu_read_lock();
- 	dst = rcu_dereference(sk->sk_dst_cache);
--	if (dst)
--		dst_hold(dst);
-+	if (dst && !atomic_inc_not_zero(&dst->__refcnt))
-+		dst = NULL;
- 	rcu_read_unlock();
- 	return dst;
- }
 @@ -1830,7 +1830,7 @@ static inline void sk_nocaps_add(struct sock *sk, netdev_features_t flags)
  }
  
@@ -86803,7 +86787,7 @@ index 0b097c8..11dd5c5 100644
  #ifdef CONFIG_MODULE_UNLOAD
  		{
 diff --git a/kernel/events/core.c b/kernel/events/core.c
-index 0e7fea7..f869fde 100644
+index f774e93..c602612 100644
 --- a/kernel/events/core.c
 +++ b/kernel/events/core.c
 @@ -158,8 +158,15 @@ static struct srcu_struct pmus_srcu;
@@ -89525,7 +89509,7 @@ index 2fac9cc..56fef29 100644
  	select LZO_COMPRESS
  	select LZO_DECOMPRESS
 diff --git a/kernel/power/process.c b/kernel/power/process.c
-index 06ec886..9dba35e 100644
+index 14f9a8d..98ee610 100644
 --- a/kernel/power/process.c
 +++ b/kernel/power/process.c
 @@ -34,6 +34,7 @@ static int try_to_freeze_tasks(bool user_only)
@@ -91452,10 +91436,10 @@ index 7c7964c..2a0d412 100644
  		update_vsyscall_tz();
  		if (firsttime) {
 diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
-index 88c9c65..7497ebc 100644
+index fe75444..190c528 100644
 --- a/kernel/time/alarmtimer.c
 +++ b/kernel/time/alarmtimer.c
-@@ -795,7 +795,7 @@ static int __init alarmtimer_init(void)
+@@ -811,7 +811,7 @@ static int __init alarmtimer_init(void)
  	struct platform_device *pdev;
  	int error = 0;
  	int i;
@@ -91656,7 +91640,7 @@ index 4f3a3c03..04b7886 100644
  
  	ret = -EIO;
 diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
-index 868633e..921dc41 100644
+index e3be87e..7480b36 100644
 --- a/kernel/trace/ftrace.c
 +++ b/kernel/trace/ftrace.c
 @@ -1965,12 +1965,17 @@ ftrace_code_disable(struct module *mod, struct dyn_ftrace *rec)
@@ -91719,7 +91703,7 @@ index 868633e..921dc41 100644
  
  	ftrace_graph_active++;
 diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
-index 04202d9..e3e4242 100644
+index 0954450..0ed035c 100644
 --- a/kernel/trace/ring_buffer.c
 +++ b/kernel/trace/ring_buffer.c
 @@ -352,9 +352,9 @@ struct buffer_data_page {
@@ -91745,7 +91729,7 @@ index 04202d9..e3e4242 100644
  	local_t				dropped_events;
  	local_t				committing;
  	local_t				commits;
-@@ -995,8 +995,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -991,8 +991,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer,
  	 *
  	 * We add a counter to the write field to denote this.
  	 */
@@ -91756,7 +91740,7 @@ index 04202d9..e3e4242 100644
  
  	/*
  	 * Just make sure we have seen our old_write and synchronize
-@@ -1024,8 +1024,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -1020,8 +1020,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer,
  		 * cmpxchg to only update if an interrupt did not already
  		 * do it for us. If the cmpxchg fails, we don't care.
  		 */
@@ -91767,7 +91751,7 @@ index 04202d9..e3e4242 100644
  
  		/*
  		 * No need to worry about races with clearing out the commit.
-@@ -1389,12 +1389,12 @@ static void rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer);
+@@ -1385,12 +1385,12 @@ static void rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer);
  
  static inline unsigned long rb_page_entries(struct buffer_page *bpage)
  {
@@ -91782,7 +91766,7 @@ index 04202d9..e3e4242 100644
  }
  
  static int
-@@ -1489,7 +1489,7 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages)
+@@ -1485,7 +1485,7 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages)
  			 * bytes consumed in ring buffer from here.
  			 * Increment overrun to account for the lost events.
  			 */
@@ -91791,7 +91775,7 @@ index 04202d9..e3e4242 100644
  			local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes);
  		}
  
-@@ -2067,7 +2067,7 @@ rb_handle_head_page(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -2063,7 +2063,7 @@ rb_handle_head_page(struct ring_buffer_per_cpu *cpu_buffer,
  		 * it is our responsibility to update
  		 * the counters.
  		 */
@@ -91800,7 +91784,7 @@ index 04202d9..e3e4242 100644
  		local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes);
  
  		/*
-@@ -2217,7 +2217,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -2213,7 +2213,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer,
  		if (tail == BUF_PAGE_SIZE)
  			tail_page->real_end = 0;
  
@@ -91809,7 +91793,7 @@ index 04202d9..e3e4242 100644
  		return;
  	}
  
-@@ -2252,7 +2252,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -2248,7 +2248,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer,
  		rb_event_set_padding(event);
  
  		/* Set the write back to the previous setting */
@@ -91818,7 +91802,7 @@ index 04202d9..e3e4242 100644
  		return;
  	}
  
-@@ -2264,7 +2264,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -2260,7 +2260,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer,
  
  	/* Set write to end of buffer */
  	length = (tail + length) - BUF_PAGE_SIZE;
@@ -91827,7 +91811,7 @@ index 04202d9..e3e4242 100644
  }
  
  /*
-@@ -2290,7 +2290,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -2286,7 +2286,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer,
  	 * about it.
  	 */
  	if (unlikely(next_page == commit_page)) {
@@ -91836,7 +91820,7 @@ index 04202d9..e3e4242 100644
  		goto out_reset;
  	}
  
-@@ -2346,7 +2346,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -2342,7 +2342,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer,
  				      cpu_buffer->tail_page) &&
  				     (cpu_buffer->commit_page ==
  				      cpu_buffer->reader_page))) {
@@ -91845,7 +91829,7 @@ index 04202d9..e3e4242 100644
  				goto out_reset;
  			}
  		}
-@@ -2394,7 +2394,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -2390,7 +2390,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
  		length += RB_LEN_TIME_EXTEND;
  
  	tail_page = cpu_buffer->tail_page;
@@ -91854,7 +91838,7 @@ index 04202d9..e3e4242 100644
  
  	/* set write to only the index of the write */
  	write &= RB_WRITE_MASK;
-@@ -2418,7 +2418,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -2414,7 +2414,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
  	kmemcheck_annotate_bitfield(event, bitfield);
  	rb_update_event(cpu_buffer, event, length, add_timestamp, delta);
  
@@ -91863,7 +91847,7 @@ index 04202d9..e3e4242 100644
  
  	/*
  	 * If this is the first commit on the page, then update
-@@ -2451,7 +2451,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -2447,7 +2447,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer,
  
  	if (bpage->page == (void *)addr && rb_page_write(bpage) == old_index) {
  		unsigned long write_mask =
@@ -91872,7 +91856,7 @@ index 04202d9..e3e4242 100644
  		unsigned long event_length = rb_event_length(event);
  		/*
  		 * This is on the tail page. It is possible that
-@@ -2461,7 +2461,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -2457,7 +2457,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer,
  		 */
  		old_index += write_mask;
  		new_index += write_mask;
@@ -91881,7 +91865,7 @@ index 04202d9..e3e4242 100644
  		if (index == old_index) {
  			/* update counters */
  			local_sub(event_length, &cpu_buffer->entries_bytes);
-@@ -2853,7 +2853,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -2849,7 +2849,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer,
  
  	/* Do the likely case first */
  	if (likely(bpage->page == (void *)addr)) {
@@ -91890,7 +91874,7 @@ index 04202d9..e3e4242 100644
  		return;
  	}
  
-@@ -2865,7 +2865,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer,
+@@ -2861,7 +2861,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer,
  	start = bpage;
  	do {
  		if (bpage->page == (void *)addr) {
@@ -91899,7 +91883,7 @@ index 04202d9..e3e4242 100644
  			return;
  		}
  		rb_inc_page(cpu_buffer, &bpage);
-@@ -3149,7 +3149,7 @@ static inline unsigned long
+@@ -3145,7 +3145,7 @@ static inline unsigned long
  rb_num_of_entries(struct ring_buffer_per_cpu *cpu_buffer)
  {
  	return local_read(&cpu_buffer->entries) -
@@ -91908,7 +91892,7 @@ index 04202d9..e3e4242 100644
  }
  
  /**
-@@ -3238,7 +3238,7 @@ unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu)
+@@ -3234,7 +3234,7 @@ unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu)
  		return 0;
  
  	cpu_buffer = buffer->buffers[cpu];
@@ -91917,7 +91901,7 @@ index 04202d9..e3e4242 100644
  
  	return ret;
  }
-@@ -3261,7 +3261,7 @@ ring_buffer_commit_overrun_cpu(struct ring_buffer *buffer, int cpu)
+@@ -3257,7 +3257,7 @@ ring_buffer_commit_overrun_cpu(struct ring_buffer *buffer, int cpu)
  		return 0;
  
  	cpu_buffer = buffer->buffers[cpu];
@@ -91926,7 +91910,7 @@ index 04202d9..e3e4242 100644
  
  	return ret;
  }
-@@ -3346,7 +3346,7 @@ unsigned long ring_buffer_overruns(struct ring_buffer *buffer)
+@@ -3342,7 +3342,7 @@ unsigned long ring_buffer_overruns(struct ring_buffer *buffer)
  	/* if you care about this being correct, lock the buffer */
  	for_each_buffer_cpu(buffer, cpu) {
  		cpu_buffer = buffer->buffers[cpu];
@@ -91935,7 +91919,7 @@ index 04202d9..e3e4242 100644
  	}
  
  	return overruns;
-@@ -3522,8 +3522,8 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
+@@ -3518,8 +3518,8 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
  	/*
  	 * Reset the reader page to size zero.
  	 */
@@ -91946,7 +91930,7 @@ index 04202d9..e3e4242 100644
  	local_set(&cpu_buffer->reader_page->page->commit, 0);
  	cpu_buffer->reader_page->real_end = 0;
  
-@@ -3557,7 +3557,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
+@@ -3553,7 +3553,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
  	 * want to compare with the last_overrun.
  	 */
  	smp_mb();
@@ -91955,7 +91939,7 @@ index 04202d9..e3e4242 100644
  
  	/*
  	 * Here's the tricky part.
-@@ -4127,8 +4127,8 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer)
+@@ -4123,8 +4123,8 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer)
  
  	cpu_buffer->head_page
  		= list_entry(cpu_buffer->pages, struct buffer_page, list);
@@ -91966,7 +91950,7 @@ index 04202d9..e3e4242 100644
  	local_set(&cpu_buffer->head_page->page->commit, 0);
  
  	cpu_buffer->head_page->read = 0;
-@@ -4138,14 +4138,14 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer)
+@@ -4134,14 +4134,14 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer)
  
  	INIT_LIST_HEAD(&cpu_buffer->reader_page->list);
  	INIT_LIST_HEAD(&cpu_buffer->new_pages);
@@ -91985,7 +91969,7 @@ index 04202d9..e3e4242 100644
  	local_set(&cpu_buffer->dropped_events, 0);
  	local_set(&cpu_buffer->entries, 0);
  	local_set(&cpu_buffer->committing, 0);
-@@ -4550,8 +4550,8 @@ int ring_buffer_read_page(struct ring_buffer *buffer,
+@@ -4546,8 +4546,8 @@ int ring_buffer_read_page(struct ring_buffer *buffer,
  		rb_init_page(bpage);
  		bpage = reader->page;
  		reader->page = *data_page;
@@ -91997,10 +91981,10 @@ index 04202d9..e3e4242 100644
  		*data_page = bpage;
  
 diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
-index 922657f..3d229d9 100644
+index 7e259b2..e9d9452 100644
 --- a/kernel/trace/trace.c
 +++ b/kernel/trace/trace.c
-@@ -3398,7 +3398,7 @@ int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set)
+@@ -3412,7 +3412,7 @@ int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set)
  	return 0;
  }
  
@@ -92043,10 +92027,10 @@ index 26dc348..8708ca7 100644
 +	return atomic64_inc_return_unchecked(&trace_counter);
  }
 diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
-index 7b16d40..1b2875d 100644
+index e4c4efc..ef4e975 100644
 --- a/kernel/trace/trace_events.c
 +++ b/kernel/trace/trace_events.c
-@@ -1681,7 +1681,6 @@ __trace_early_add_new_event(struct ftrace_event_call *call,
+@@ -1682,7 +1682,6 @@ __trace_early_add_new_event(struct ftrace_event_call *call,
  	return 0;
  }
  
@@ -96375,7 +96359,7 @@ index cdbd312..2e1e0b9 100644
  
  /*
 diff --git a/mm/shmem.c b/mm/shmem.c
-index 1f18c9d..6aa94ab 100644
+index ff85863..6aa94ab 100644
 --- a/mm/shmem.c
 +++ b/mm/shmem.c
 @@ -33,7 +33,7 @@
@@ -96387,7 +96371,7 @@ index 1f18c9d..6aa94ab 100644
  
  #ifdef CONFIG_SHMEM
  /*
-@@ -77,14 +77,15 @@ static struct vfsmount *shm_mnt;
+@@ -77,7 +77,7 @@ static struct vfsmount *shm_mnt;
  #define BOGO_DIRENT_SIZE 20
  
  /* Symlink up to this size is kmalloc'ed instead of using a swappable page */
@@ -96395,180 +96379,8 @@ index 1f18c9d..6aa94ab 100644
 +#define SHORT_SYMLINK_LEN 64
  
  /*
-- * shmem_fallocate and shmem_writepage communicate via inode->i_private
-- * (with i_mutex making sure that it has only one user at a time):
-- * we would prefer not to enlarge the shmem inode just for that.
-+ * shmem_fallocate communicates with shmem_fault or shmem_writepage via
-+ * inode->i_private (with i_mutex making sure that it has only one user at
-+ * a time): we would prefer not to enlarge the shmem inode just for that.
-  */
- struct shmem_falloc {
-+	wait_queue_head_t *waitq; /* faults into hole wait for punch to end */
- 	pgoff_t start;		/* start of range currently being fallocated */
- 	pgoff_t next;		/* the next page offset to be fallocated */
- 	pgoff_t nr_falloced;	/* how many new pages have been fallocated */
-@@ -533,22 +534,19 @@ static void shmem_undo_range(struct inode *inode, loff_t lstart, loff_t lend,
- 		return;
- 
- 	index = start;
--	for ( ; ; ) {
-+	while (index < end) {
- 		cond_resched();
- 		pvec.nr = shmem_find_get_pages_and_swap(mapping, index,
- 				min(end - index, (pgoff_t)PAGEVEC_SIZE),
- 							pvec.pages, indices);
- 		if (!pvec.nr) {
--			if (index == start || unfalloc)
-+			/* If all gone or hole-punch or unfalloc, we're done */
-+			if (index == start || end != -1)
- 				break;
-+			/* But if truncating, restart to make sure all gone */
- 			index = start;
- 			continue;
- 		}
--		if ((index == start || unfalloc) && indices[0] >= end) {
--			shmem_deswap_pagevec(&pvec);
--			pagevec_release(&pvec);
--			break;
--		}
- 		mem_cgroup_uncharge_start();
- 		for (i = 0; i < pagevec_count(&pvec); i++) {
- 			struct page *page = pvec.pages[i];
-@@ -560,8 +558,12 @@ static void shmem_undo_range(struct inode *inode, loff_t lstart, loff_t lend,
- 			if (radix_tree_exceptional_entry(page)) {
- 				if (unfalloc)
- 					continue;
--				nr_swaps_freed += !shmem_free_swap(mapping,
--								index, page);
-+				if (shmem_free_swap(mapping, index, page)) {
-+					/* Swap was replaced by page: retry */
-+					index--;
-+					break;
-+				}
-+				nr_swaps_freed++;
- 				continue;
- 			}
- 
-@@ -570,6 +572,11 @@ static void shmem_undo_range(struct inode *inode, loff_t lstart, loff_t lend,
- 				if (page->mapping == mapping) {
- 					VM_BUG_ON_PAGE(PageWriteback(page), page);
- 					truncate_inode_page(mapping, page);
-+				} else {
-+					/* Page was replaced by swap: retry */
-+					unlock_page(page);
-+					index--;
-+					break;
- 				}
- 			}
- 			unlock_page(page);
-@@ -824,6 +831,7 @@ static int shmem_writepage(struct page *page, struct writeback_control *wbc)
- 			spin_lock(&inode->i_lock);
- 			shmem_falloc = inode->i_private;
- 			if (shmem_falloc &&
-+			    !shmem_falloc->waitq &&
- 			    index >= shmem_falloc->start &&
- 			    index < shmem_falloc->next)
- 				shmem_falloc->nr_unswapped++;
-@@ -1298,6 +1306,64 @@ static int shmem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
- 	int error;
- 	int ret = VM_FAULT_LOCKED;
- 
-+	/*
-+	 * Trinity finds that probing a hole which tmpfs is punching can
-+	 * prevent the hole-punch from ever completing: which in turn
-+	 * locks writers out with its hold on i_mutex.  So refrain from
-+	 * faulting pages into the hole while it's being punched.  Although
-+	 * shmem_undo_range() does remove the additions, it may be unable to
-+	 * keep up, as each new page needs its own unmap_mapping_range() call,
-+	 * and the i_mmap tree grows ever slower to scan if new vmas are added.
-+	 *
-+	 * It does not matter if we sometimes reach this check just before the
-+	 * hole-punch begins, so that one fault then races with the punch:
-+	 * we just need to make racing faults a rare case.
-+	 *
-+	 * The implementation below would be much simpler if we just used a
-+	 * standard mutex or completion: but we cannot take i_mutex in fault,
-+	 * and bloating every shmem inode for this unlikely case would be sad.
-+	 */
-+	if (unlikely(inode->i_private)) {
-+		struct shmem_falloc *shmem_falloc;
-+
-+		spin_lock(&inode->i_lock);
-+		shmem_falloc = inode->i_private;
-+		if (shmem_falloc &&
-+		    shmem_falloc->waitq &&
-+		    vmf->pgoff >= shmem_falloc->start &&
-+		    vmf->pgoff < shmem_falloc->next) {
-+			wait_queue_head_t *shmem_falloc_waitq;
-+			DEFINE_WAIT(shmem_fault_wait);
-+
-+			ret = VM_FAULT_NOPAGE;
-+			if ((vmf->flags & FAULT_FLAG_ALLOW_RETRY) &&
-+			   !(vmf->flags & FAULT_FLAG_RETRY_NOWAIT)) {
-+				/* It's polite to up mmap_sem if we can */
-+				up_read(&vma->vm_mm->mmap_sem);
-+				ret = VM_FAULT_RETRY;
-+			}
-+
-+			shmem_falloc_waitq = shmem_falloc->waitq;
-+			prepare_to_wait(shmem_falloc_waitq, &shmem_fault_wait,
-+					TASK_UNINTERRUPTIBLE);
-+			spin_unlock(&inode->i_lock);
-+			schedule();
-+
-+			/*
-+			 * shmem_falloc_waitq points into the shmem_fallocate()
-+			 * stack of the hole-punching task: shmem_falloc_waitq
-+			 * is usually invalid by the time we reach here, but
-+			 * finish_wait() does not dereference it in that case;
-+			 * though i_lock needed lest racing with wake_up_all().
-+			 */
-+			spin_lock(&inode->i_lock);
-+			finish_wait(shmem_falloc_waitq, &shmem_fault_wait);
-+			spin_unlock(&inode->i_lock);
-+			return ret;
-+		}
-+		spin_unlock(&inode->i_lock);
-+	}
-+
- 	error = shmem_getpage(inode, vmf->pgoff, &vmf->page, SGP_CACHE, &ret);
- 	if (error)
- 		return ((error == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS);
-@@ -1817,12 +1883,25 @@ static long shmem_fallocate(struct file *file, int mode, loff_t offset,
- 		struct address_space *mapping = file->f_mapping;
- 		loff_t unmap_start = round_up(offset, PAGE_SIZE);
- 		loff_t unmap_end = round_down(offset + len, PAGE_SIZE) - 1;
-+		DECLARE_WAIT_QUEUE_HEAD_ONSTACK(shmem_falloc_waitq);
-+
-+		shmem_falloc.waitq = &shmem_falloc_waitq;
-+		shmem_falloc.start = unmap_start >> PAGE_SHIFT;
-+		shmem_falloc.next = (unmap_end + 1) >> PAGE_SHIFT;
-+		spin_lock(&inode->i_lock);
-+		inode->i_private = &shmem_falloc;
-+		spin_unlock(&inode->i_lock);
- 
- 		if ((u64)unmap_end > (u64)unmap_start)
- 			unmap_mapping_range(mapping, unmap_start,
- 					    1 + unmap_end - unmap_start, 0);
- 		shmem_truncate_range(inode, offset, offset + len - 1);
- 		/* No need to unmap again: hole-punching leaves COWed pages */
-+
-+		spin_lock(&inode->i_lock);
-+		inode->i_private = NULL;
-+		wake_up_all(&shmem_falloc_waitq);
-+		spin_unlock(&inode->i_lock);
- 		error = 0;
- 		goto out;
- 	}
-@@ -1840,6 +1919,7 @@ static long shmem_fallocate(struct file *file, int mode, loff_t offset,
- 		goto out;
- 	}
- 
-+	shmem_falloc.waitq = NULL;
- 	shmem_falloc.start = start;
- 	shmem_falloc.next  = start;
- 	shmem_falloc.nr_falloced = 0;
-@@ -2218,6 +2298,11 @@ static const struct xattr_handler *shmem_xattr_handlers[] = {
+  * shmem_fallocate communicates with shmem_fault or shmem_writepage via
+@@ -2298,6 +2298,11 @@ static const struct xattr_handler *shmem_xattr_handlers[] = {
  static int shmem_xattr_validate(const char *name)
  {
  	struct { const char *prefix; size_t len; } arr[] = {
@@ -96580,7 +96392,7 @@ index 1f18c9d..6aa94ab 100644
  		{ XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN },
  		{ XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN }
  	};
-@@ -2273,6 +2358,15 @@ static int shmem_setxattr(struct dentry *dentry, const char *name,
+@@ -2353,6 +2358,15 @@ static int shmem_setxattr(struct dentry *dentry, const char *name,
  	if (err)
  		return err;
  
@@ -96596,7 +96408,7 @@ index 1f18c9d..6aa94ab 100644
  	return simple_xattr_set(&info->xattrs, name, value, size, flags);
  }
  
-@@ -2585,8 +2679,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent)
+@@ -2665,8 +2679,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent)
  	int err = -ENOMEM;
  
  	/* Round up to L1_CACHE_BYTES to resist false sharing */
@@ -98954,10 +98766,10 @@ index a16ed7b..eb44d17 100644
  
  	return err;
 diff --git a/net/core/dev.c b/net/core/dev.c
-index 4c1b483..3d45b13 100644
+index 37bddf7..c78c480 100644
 --- a/net/core/dev.c
 +++ b/net/core/dev.c
-@@ -1688,14 +1688,14 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
+@@ -1695,14 +1695,14 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
  {
  	if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
  		if (skb_copy_ubufs(skb, GFP_ATOMIC)) {
@@ -98974,7 +98786,7 @@ index 4c1b483..3d45b13 100644
  		kfree_skb(skb);
  		return NET_RX_DROP;
  	}
-@@ -2453,7 +2453,7 @@ static int illegal_highdma(const struct net_device *dev, struct sk_buff *skb)
+@@ -2460,7 +2460,7 @@ static int illegal_highdma(const struct net_device *dev, struct sk_buff *skb)
  
  struct dev_gso_cb {
  	void (*destructor)(struct sk_buff *skb);
@@ -98983,7 +98795,7 @@ index 4c1b483..3d45b13 100644
  
  #define DEV_GSO_CB(skb) ((struct dev_gso_cb *)(skb)->cb)
  
-@@ -3227,7 +3227,7 @@ enqueue:
+@@ -3234,7 +3234,7 @@ enqueue:
  
  	local_irq_restore(flags);
  
@@ -98992,7 +98804,7 @@ index 4c1b483..3d45b13 100644
  	kfree_skb(skb);
  	return NET_RX_DROP;
  }
-@@ -3308,7 +3308,7 @@ int netif_rx_ni(struct sk_buff *skb)
+@@ -3315,7 +3315,7 @@ int netif_rx_ni(struct sk_buff *skb)
  }
  EXPORT_SYMBOL(netif_rx_ni);
  
@@ -99001,7 +98813,7 @@ index 4c1b483..3d45b13 100644
  {
  	struct softnet_data *sd = &__get_cpu_var(softnet_data);
  
-@@ -3645,7 +3645,7 @@ ncls:
+@@ -3652,7 +3652,7 @@ ncls:
  			ret = pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
  	} else {
  drop:
@@ -99010,7 +98822,7 @@ index 4c1b483..3d45b13 100644
  		kfree_skb(skb);
  		/* Jamal, now you will not able to escape explaining
  		 * me how you were going to use this. :-)
-@@ -4333,7 +4333,7 @@ void netif_napi_del(struct napi_struct *napi)
+@@ -4342,7 +4342,7 @@ void netif_napi_del(struct napi_struct *napi)
  }
  EXPORT_SYMBOL(netif_napi_del);
  
@@ -99019,7 +98831,7 @@ index 4c1b483..3d45b13 100644
  {
  	struct softnet_data *sd = &__get_cpu_var(softnet_data);
  	unsigned long time_limit = jiffies + 2;
-@@ -6302,7 +6302,7 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
+@@ -6311,7 +6311,7 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
  	} else {
  		netdev_stats_to_stats64(storage, &dev->stats);
  	}
@@ -99046,40 +98858,6 @@ index cf999e0..c59a975 100644
  	}
  }
  EXPORT_SYMBOL(dev_load);
-diff --git a/net/core/dst.c b/net/core/dst.c
-index ca4231e..15b6792 100644
---- a/net/core/dst.c
-+++ b/net/core/dst.c
-@@ -267,6 +267,15 @@ again:
- }
- EXPORT_SYMBOL(dst_destroy);
- 
-+static void dst_destroy_rcu(struct rcu_head *head)
-+{
-+	struct dst_entry *dst = container_of(head, struct dst_entry, rcu_head);
-+
-+	dst = dst_destroy(dst);
-+	if (dst)
-+		__dst_free(dst);
-+}
-+
- void dst_release(struct dst_entry *dst)
- {
- 	if (dst) {
-@@ -274,11 +283,8 @@ void dst_release(struct dst_entry *dst)
- 
- 		newrefcnt = atomic_dec_return(&dst->__refcnt);
- 		WARN_ON(newrefcnt < 0);
--		if (unlikely(dst->flags & DST_NOCACHE) && !newrefcnt) {
--			dst = dst_destroy(dst);
--			if (dst)
--				__dst_free(dst);
--		}
-+		if (unlikely(dst->flags & DST_NOCACHE) && !newrefcnt)
-+			call_rcu(&dst->rcu_head, dst_destroy_rcu);
- 	}
- }
- EXPORT_SYMBOL(dst_release);
 diff --git a/net/core/filter.c b/net/core/filter.c
 index ebce437..9fed9d0 100644
 --- a/net/core/filter.c
@@ -99456,7 +99234,7 @@ index b442e7e..6f5b5a2 100644
  	{
  		struct socket *sock;
 diff --git a/net/core/skbuff.c b/net/core/skbuff.c
-index e5ae776e..15c90cb 100644
+index 7f2e1fc..6206b10 100644
 --- a/net/core/skbuff.c
 +++ b/net/core/skbuff.c
 @@ -2003,7 +2003,7 @@ EXPORT_SYMBOL(__skb_checksum);
@@ -99468,7 +99246,7 @@ index e5ae776e..15c90cb 100644
  		.update  = csum_partial_ext,
  		.combine = csum_block_add_ext,
  	};
-@@ -3220,13 +3220,15 @@ void __init skb_init(void)
+@@ -3221,13 +3221,15 @@ void __init skb_init(void)
  	skbuff_head_cache = kmem_cache_create("skbuff_head_cache",
  					      sizeof(struct sk_buff),
  					      0,
@@ -99779,26 +99557,11 @@ index 5325b54..a0d4d69 100644
  		return -EFAULT;
  
  	*lenp = len;
-diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c
-index e7b6d53..f005cc7 100644
---- a/net/dns_resolver/dns_query.c
-+++ b/net/dns_resolver/dns_query.c
-@@ -149,7 +149,9 @@ int dns_query(const char *type, const char *name, size_t namelen,
- 	if (!*_result)
- 		goto put;
- 
--	memcpy(*_result, upayload->data, len + 1);
-+	memcpy(*_result, upayload->data, len);
-+	(*_result)[len] = '\0';
-+
- 	if (_expiry)
- 		*_expiry = rkey->expiry;
- 
 diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
-index 19ab78a..bf575c9 100644
+index 07bd8ed..c574801 100644
 --- a/net/ipv4/af_inet.c
 +++ b/net/ipv4/af_inet.c
-@@ -1703,13 +1703,9 @@ static int __init inet_init(void)
+@@ -1706,13 +1706,9 @@ static int __init inet_init(void)
  
  	BUILD_BUG_ON(sizeof(struct inet_skb_parm) > FIELD_SIZEOF(struct sk_buff, cb));
  
@@ -99813,7 +99576,7 @@ index 19ab78a..bf575c9 100644
  
  	rc = proto_register(&udp_prot, 1);
  	if (rc)
-@@ -1816,8 +1812,6 @@ out_unregister_udp_proto:
+@@ -1819,8 +1815,6 @@ out_unregister_udp_proto:
  	proto_unregister(&udp_prot);
  out_unregister_tcp_proto:
  	proto_unregister(&tcp_prot);
@@ -100097,42 +99860,6 @@ index 580dd96..9fcef7e 100644
  		msg.msg_controllen = len;
  		msg.msg_flags = flags;
  
-diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
-index 0c3a5d1..c05c07d 100644
---- a/net/ipv4/ip_tunnel.c
-+++ b/net/ipv4/ip_tunnel.c
-@@ -73,12 +73,7 @@ static void __tunnel_dst_set(struct ip_tunnel_dst *idst,
- {
- 	struct dst_entry *old_dst;
- 
--	if (dst) {
--		if (dst->flags & DST_NOCACHE)
--			dst = NULL;
--		else
--			dst_clone(dst);
--	}
-+	dst_clone(dst);
- 	old_dst = xchg((__force struct dst_entry **)&idst->dst, dst);
- 	dst_release(old_dst);
- }
-@@ -108,13 +103,14 @@ static struct rtable *tunnel_rtable_get(struct ip_tunnel *t, u32 cookie)
- 
- 	rcu_read_lock();
- 	dst = rcu_dereference(this_cpu_ptr(t->dst_cache)->dst);
-+	if (dst && !atomic_inc_not_zero(&dst->__refcnt))
-+		dst = NULL;
- 	if (dst) {
- 		if (dst->obsolete && dst->ops->check(dst, cookie) == NULL) {
--			rcu_read_unlock();
- 			tunnel_dst_reset(t);
--			return NULL;
-+			dst_release(dst);
-+			dst = NULL;
- 		}
--		dst_hold(dst);
- 	}
- 	rcu_read_unlock();
- 	return (struct rtable *)dst;
 diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
 index e4a8f76..dd8ad72 100644
 --- a/net/ipv4/ip_vti.c
@@ -100446,7 +100173,7 @@ index c04518f..c402063 100644
  
  static int raw_seq_show(struct seq_file *seq, void *v)
 diff --git a/net/ipv4/route.c b/net/ipv4/route.c
-index 1344373..02f339e 100644
+index 031553f..e482974 100644
 --- a/net/ipv4/route.c
 +++ b/net/ipv4/route.c
 @@ -233,7 +233,7 @@ static const struct seq_operations rt_cache_seq_ops = {
@@ -100476,7 +100203,7 @@ index 1344373..02f339e 100644
  }
  
  static const struct file_operations rt_acct_proc_fops = {
-@@ -2623,34 +2623,34 @@ static struct ctl_table ipv4_route_flush_table[] = {
+@@ -2624,34 +2624,34 @@ static struct ctl_table ipv4_route_flush_table[] = {
  		.maxlen		= sizeof(int),
  		.mode		= 0200,
  		.proc_handler	= ipv4_sysctl_rtcache_flush,
@@ -100519,7 +100246,7 @@ index 1344373..02f339e 100644
  err_dup:
  	return -ENOMEM;
  }
-@@ -2673,8 +2673,8 @@ static __net_initdata struct pernet_operations sysctl_route_ops = {
+@@ -2674,8 +2674,8 @@ static __net_initdata struct pernet_operations sysctl_route_ops = {
  
  static __net_init int rt_genid_init(struct net *net)
  {
@@ -100652,7 +100379,7 @@ index 44eba05..b36864b 100644
  	hdr = register_net_sysctl(&init_net, "net/ipv4", ipv4_table);
  	if (hdr == NULL)
 diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
-index e364746..598e76e 100644
+index 3898694..9bd1a03 100644
 --- a/net/ipv4/tcp_input.c
 +++ b/net/ipv4/tcp_input.c
 @@ -761,7 +761,7 @@ static void tcp_update_pacing_rate(struct sock *sk)
@@ -102730,7 +102457,7 @@ index 11de55e..f25e448 100644
  	return 0;
  }
 diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
-index 7f40fd2..c72ef1f 100644
+index 0dfe894..7702a84 100644
 --- a/net/netlink/af_netlink.c
 +++ b/net/netlink/af_netlink.c
 @@ -257,7 +257,7 @@ static void netlink_overrun(struct sock *sk)
@@ -103468,37 +103195,37 @@ index 604a6ac..f87f0a3 100644
  			return -EFAULT;
  		to += addrlen;
 diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
-index c82fdc1..4ca1f95 100644
+index dfa532f..1dcfb44 100644
 --- a/net/sctp/sysctl.c
 +++ b/net/sctp/sysctl.c
-@@ -308,7 +308,7 @@ static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
+@@ -307,7 +307,7 @@ static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
+ 				loff_t *ppos)
  {
  	struct net *net = current->nsproxy->net_ns;
- 	char tmp[8];
 -	struct ctl_table tbl;
 +	ctl_table_no_const tbl;
- 	int ret;
- 	int changed = 0;
+ 	bool changed = false;
  	char *none = "none";
+ 	char tmp[8];
 @@ -355,7 +355,7 @@ static int proc_sctp_do_rto_min(struct ctl_table *ctl, int write,
- {
  	struct net *net = current->nsproxy->net_ns;
- 	int new_value;
--	struct ctl_table tbl;
-+	ctl_table_no_const tbl;
  	unsigned int min = *(unsigned int *) ctl->extra1;
  	unsigned int max = *(unsigned int *) ctl->extra2;
- 	int ret;
-@@ -382,7 +382,7 @@ static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write,
- {
- 	struct net *net = current->nsproxy->net_ns;
- 	int new_value;
 -	struct ctl_table tbl;
 +	ctl_table_no_const tbl;
+ 	int ret, new_value;
+ 
+ 	memset(&tbl, 0, sizeof(struct ctl_table));
+@@ -384,7 +384,7 @@ static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write,
+ 	struct net *net = current->nsproxy->net_ns;
  	unsigned int min = *(unsigned int *) ctl->extra1;
  	unsigned int max = *(unsigned int *) ctl->extra2;
- 	int ret;
-@@ -408,7 +408,7 @@ static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
+-	struct ctl_table tbl;
++	ctl_table_no_const tbl;
+ 	int ret, new_value;
+ 
+ 	memset(&tbl, 0, sizeof(struct ctl_table));
+@@ -411,7 +411,7 @@ static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
  			     loff_t *ppos)
  {
  	struct net *net = current->nsproxy->net_ns;
@@ -103507,7 +103234,7 @@ index c82fdc1..4ca1f95 100644
  	int new_value, ret;
  
  	memset(&tbl, 0, sizeof(struct ctl_table));
-@@ -436,7 +436,7 @@ static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
+@@ -438,7 +438,7 @@ static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
  
  int sctp_sysctl_net_register(struct net *net)
  {
@@ -103516,7 +103243,7 @@ index c82fdc1..4ca1f95 100644
  
  	if (!net_eq(net, &init_net)) {
  		int i;
-@@ -449,7 +449,10 @@ int sctp_sysctl_net_register(struct net *net)
+@@ -451,7 +451,10 @@ int sctp_sysctl_net_register(struct net *net)
  			table[i].data += (char *)(&net->sctp) - (char *)&init_net.sctp;
  	}
  
@@ -103528,26 +103255,6 @@ index c82fdc1..4ca1f95 100644
  	return 0;
  }
  
-diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
-index 85c6465..879f3cd 100644
---- a/net/sctp/ulpevent.c
-+++ b/net/sctp/ulpevent.c
-@@ -411,6 +411,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_remote_error(
- 	 * sre_type:
- 	 *   It should be SCTP_REMOTE_ERROR.
- 	 */
-+	memset(sre, 0, sizeof(*sre));
- 	sre->sre_type = SCTP_REMOTE_ERROR;
- 
- 	/*
-@@ -916,6 +917,7 @@ void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event,
- 	 * For recvmsg() the SCTP stack places the message's stream number in
- 	 * this value.
- 	*/
-+	memset(&sinfo, 0, sizeof(sinfo));
- 	sinfo.sinfo_stream = event->stream;
- 	/* sinfo_ssn: 16 bits (unsigned integer)
- 	 *
 diff --git a/net/socket.c b/net/socket.c
 index a19ae19..89554dc 100644
 --- a/net/socket.c
@@ -110983,10 +110690,10 @@ index 0000000..12b1e3b
 +exit 0
 diff --git a/tools/gcc/size_overflow_plugin/insert_size_overflow_asm.c b/tools/gcc/size_overflow_plugin/insert_size_overflow_asm.c
 new file mode 100644
-index 0000000..3e8148c
+index 0000000..c43901f
 --- /dev/null
 +++ b/tools/gcc/size_overflow_plugin/insert_size_overflow_asm.c
-@@ -0,0 +1,790 @@
+@@ -0,0 +1,748 @@
 +/*
 + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com>
 + * Licensed under the GPL v2, or (at your option) v3
@@ -111466,45 +111173,6 @@ index 0000000..3e8148c
 +	return true;
 +}
 +
-+static bool is_from_cast(const_tree node)
-+{
-+	gimple def_stmt = get_def_stmt(node);
-+
-+	if (!def_stmt)
-+		return false;
-+
-+	if (gimple_assign_cast_p(def_stmt))
-+		return true;
-+
-+	return false;
-+}
-+
-+// Skip duplication when there is a minus expr and the type of rhs1 or rhs2 is a pointer_type.
-+static bool skip_ptr_minus(gimple stmt)
-+{
-+	const_tree rhs1, rhs2, ptr1_rhs, ptr2_rhs;
-+
-+	if (gimple_assign_rhs_code(stmt) != MINUS_EXPR)
-+		return false;
-+
-+	rhs1 = gimple_assign_rhs1(stmt);
-+	if (!is_from_cast(rhs1))
-+		return false;
-+
-+	rhs2 = gimple_assign_rhs2(stmt);
-+	if (!is_from_cast(rhs2))
-+		return false;
-+
-+	ptr1_rhs = gimple_assign_rhs1(get_def_stmt(rhs1));
-+	ptr2_rhs = gimple_assign_rhs1(get_def_stmt(rhs2));
-+
-+	if (TREE_CODE(TREE_TYPE(ptr1_rhs)) != POINTER_TYPE && TREE_CODE(TREE_TYPE(ptr2_rhs)) != POINTER_TYPE)
-+		return false;
-+
-+	create_mark_asm(stmt, MARK_YES);
-+	return true;
-+}
-+
 +static void walk_use_def_ptr(struct pointer_set_t *visited, const_tree lhs)
 +{
 +	gimple def_stmt;
@@ -111538,9 +111206,6 @@ index 0000000..3e8148c
 +			walk_use_def_ptr(visited, gimple_assign_rhs1(def_stmt));
 +			return;
 +		case 3:
-+			if (skip_ptr_minus(def_stmt))
-+				return;
-+
 +			walk_use_def_ptr(visited, gimple_assign_rhs1(def_stmt));
 +			walk_use_def_ptr(visited, gimple_assign_rhs2(def_stmt));
 +			return;
@@ -111779,10 +111444,10 @@ index 0000000..3e8148c
 +}
 diff --git a/tools/gcc/size_overflow_plugin/insert_size_overflow_check_core.c b/tools/gcc/size_overflow_plugin/insert_size_overflow_check_core.c
 new file mode 100644
-index 0000000..88469e9
+index 0000000..73f0a12
 --- /dev/null
 +++ b/tools/gcc/size_overflow_plugin/insert_size_overflow_check_core.c
-@@ -0,0 +1,902 @@
+@@ -0,0 +1,943 @@
 +/*
 + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com>
 + * Licensed under the GPL v2, or (at your option) v3
@@ -112506,6 +112171,44 @@ index 0000000..88469e9
 +	inform(loc, "Integer size_overflow check applied here.");
 +}
 +
++static bool is_from_cast(const_tree node)
++{
++	gimple def_stmt = get_def_stmt(node);
++
++	if (!def_stmt)
++		return false;
++
++	if (gimple_assign_cast_p(def_stmt))
++		return true;
++
++	return false;
++}
++
++// Skip duplication when there is a minus expr and the type of rhs1 or rhs2 is a pointer_type.
++static bool is_a_ptr_minus(gimple stmt)
++{
++	const_tree rhs1, rhs2, ptr1_rhs, ptr2_rhs;
++
++	if (gimple_assign_rhs_code(stmt) != MINUS_EXPR)
++		return false;
++
++	rhs1 = gimple_assign_rhs1(stmt);
++	if (!is_from_cast(rhs1))
++		return false;
++
++	rhs2 = gimple_assign_rhs2(stmt);
++	if (!is_from_cast(rhs2))
++		return false;
++
++	ptr1_rhs = gimple_assign_rhs1(get_def_stmt(rhs1));
++	ptr2_rhs = gimple_assign_rhs1(get_def_stmt(rhs2));
++
++	if (TREE_CODE(TREE_TYPE(ptr1_rhs)) != POINTER_TYPE && TREE_CODE(TREE_TYPE(ptr2_rhs)) != POINTER_TYPE)
++		return false;
++
++	return true;
++}
++
 +static tree handle_binary_ops(struct visited *visited, struct cgraph_node *caller_node, tree lhs)
 +{
 +	enum intentional_overflow_type res;
@@ -112514,6 +112217,9 @@ index 0000000..88469e9
 +	tree new_rhs1 = NULL_TREE;
 +	tree new_rhs2 = NULL_TREE;
 +
++	if (is_a_ptr_minus(def_stmt))
++		return create_assign(visited, def_stmt, lhs, AFTER_STMT);
++
 +	rhs1 = gimple_assign_rhs1(def_stmt);
 +	rhs2 = gimple_assign_rhs2(def_stmt);
 +
@@ -112687,7 +112393,7 @@ index 0000000..88469e9
 +
 diff --git a/tools/gcc/size_overflow_plugin/insert_size_overflow_check_ipa.c b/tools/gcc/size_overflow_plugin/insert_size_overflow_check_ipa.c
 new file mode 100644
-index 0000000..715a590
+index 0000000..df50164
 --- /dev/null
 +++ b/tools/gcc/size_overflow_plugin/insert_size_overflow_check_ipa.c
 @@ -0,0 +1,1141 @@
@@ -112926,7 +112632,7 @@ index 0000000..715a590
 +
 +	switch (gimple_code(def_stmt)) {
 +	case GIMPLE_CALL:
-+		if (lhs == gimple_return_retval(def_stmt))
++		if (lhs == gimple_call_lhs(def_stmt))
 +			interesting_conditions[RET] = true;
 +		return;
 +	case GIMPLE_NOP:
@@ -113834,10 +113540,10 @@ index 0000000..715a590
 +
 diff --git a/tools/gcc/size_overflow_plugin/intentional_overflow.c b/tools/gcc/size_overflow_plugin/intentional_overflow.c
 new file mode 100644
-index 0000000..38904bc
+index 0000000..d71d72a
 --- /dev/null
 +++ b/tools/gcc/size_overflow_plugin/intentional_overflow.c
-@@ -0,0 +1,733 @@
+@@ -0,0 +1,736 @@
 +/*
 + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com>
 + * Licensed under the GPL v2, or (at your option) v3
@@ -114442,6 +114148,9 @@ index 0000000..38904bc
 +	} else
 +		return false;
 +
++	if (!is_gimple_assign(def_stmt))
++		return false;
++
 +	if (gimple_assign_rhs_code(def_stmt) != PLUS_EXPR && gimple_assign_rhs_code(def_stmt) != MINUS_EXPR)
 +		return false;
 +
@@ -121273,7 +120982,7 @@ index 0000000..560cd7b
 +zpios_read_64734 zpios_read 3 64734 NULL
 diff --git a/tools/gcc/size_overflow_plugin/size_overflow_plugin.c b/tools/gcc/size_overflow_plugin/size_overflow_plugin.c
 new file mode 100644
-index 0000000..a15328d
+index 0000000..95f7abd
 --- /dev/null
 +++ b/tools/gcc/size_overflow_plugin/size_overflow_plugin.c
 @@ -0,0 +1,259 @@
@@ -121309,7 +121018,7 @@ index 0000000..a15328d
 +tree size_overflow_type_TI;
 +
 +static struct plugin_info size_overflow_plugin_info = {
-+	.version	= "20140713",
++	.version	= "20140725",
 +	.help		= "no-size-overflow\tturn off size overflow checking\n",
 +};
 +