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Luck, Tony c76f39bddb ia64: fix futex_atomic_cmpxchg_inatomic() ... Michel Lespinasse cleaned up the futex calling conventions in commit 37a9d912b2 ("futex: Sanitize cmpxchg_futex_value_locked API"). But the ia64 implementation was subtly broken. Gcc does not know that register "r8" will be updated by the fault handler if the cmpxchg instruction takes an exception. So it feels safe in letting the initialization of r8 slide to after the cmpxchg. Result: we always return 0 whether the user address faulted or not. Fix by moving the initialization of r8 into the __asm__ code so gcc won't move it. Reported-by: <emeric.maschino@gmail.com> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=42757 Tested-by: <emeric.maschino@gmail.com> Acked-by: Michel Lespinasse <walken@google.com> Cc: stable@vger.kernel.org # v2.6.39+ Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		13 years ago
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native	ia64/pv_ops: paravirtualize gate.S.	16 years ago
sn	Disintegrate asm/system.h for IA64	13 years ago
uv	Disintegrate asm/system.h for IA64	13 years ago
xen	xen/enlighten: Expose MWAIT and MWAIT_LEAF if hypervisor OKs it.	13 years ago
Kbuild	archs: replace unifdef-y with header-y	15 years ago
acpi-ext.h	…
acpi.h	Disintegrate asm/system.h for IA64	13 years ago
agp.h	agp: kill phys_to_gart() and gart_to_phys()	16 years ago
asm-offsets.h	kbuild: move asm-offsets.h to include/generated	15 years ago
asmmacro.h	Rename .data..patch.XXX to .data..patch.XXX.	15 years ago
atomic.h	Disintegrate asm/system.h for IA64	13 years ago
auxvec.h	Disintegrate asm/system.h for IA64	13 years ago
barrier.h	Disintegrate asm/system.h for IA64	13 years ago
bitops.h	asm-generic: add another generic ext2 atomic bitops	14 years ago
bitsperlong.h	asm-generic: introduce asm/bitsperlong.h	16 years ago
break.h	…
bug.h	…
bugs.h	…
byteorder.h	…
cache.h	Rename .data.read_mostly to .data..read_mostly.	15 years ago
cacheflush.h	block: add helpers to run flush_dcache_page() against a bio and a request's pages	15 years ago
checksum.h	…
clocksource.h	clocksource: Change __ARCH_HAS_CLOCKSOURCE_DATA to a CONFIG option	14 years ago
cmpxchg.h	ia64: populate the cmpxchg header with appropriate code	13 years ago
cpu.h	…
cputime.h	Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	13 years ago
current.h	…
cyclone.h	…
delay.h	…
device.h	iommu: Rename the DMAR and INTR_REMAP config options	14 years ago
div64.h	…
dma-mapping.h	X86 & IA64: adapt for dma_map_ops changes	13 years ago
dma.h	…
dmi.h	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
elf.h	elf coredump: replace ELF_CORE_EXTRA_* macros by functions	15 years ago
emergency-restart.h	…
errno.h	…
esi.h	…
exec.h	Disintegrate asm/system.h for IA64	13 years ago
fb.h	…
fcntl.h	…
fpswa.h	…
fpu.h	Revert "Neither asm/types.h nor linux/types.h is required for arch/ia64/include/asm/fpu.h"	16 years ago
ftrace.h	[IA64] sanity in #include files. Move fnptr to types.h	15 years ago
futex.h	ia64: fix futex_atomic_cmpxchg_inatomic()	13 years ago
gcc_intrin.h	[IA64] Convert ia64 to use int-ll64.h	16 years ago
gpio.h	[IA64] Hook up gpiolib support	14 years ago
hardirq.h	[IA64] Move local_softirq_pending() definition	15 years ago
hpsim.h	hpsim, initialize chip for assigned irqs	13 years ago
hugetlb.h	…
hw_irq.h	ia64: Remove redundant declaration of irq_desc[]	14 years ago
ia64regs.h	…
idle.h	[IA64] xen_domu_defconfig: fix build issues/warnings	16 years ago
intel_intrin.h	…
intrinsics.h	ia64: populate the cmpxchg header with appropriate code	13 years ago
io.h	Disintegrate asm/system.h for IA64	13 years ago
ioctl.h	…
ioctls.h	ioctl: Use asm-generic/ioctls.h on ia64 (enables termiox)	15 years ago
iommu.h	iommu: Add option to group multi-function devices	13 years ago
iommu_table.h	ia64, iommu: Add a dummy iommu_table.h file in IA64.	15 years ago
iosapic.h	…
ipcbuf.h	consolidate a bunch of ipcbuf.h instances	13 years ago
irq.h	ia64: move nr-irqs.h to include/generated	15 years ago
irq_regs.h	…
irqflags.h	Disintegrate asm/system.h for IA64	13 years ago
kdebug.h	…
kexec.h	Disintegrate asm/system.h for IA64	13 years ago
kmap_types.h	kmap_types: make most arches use generic header file	16 years ago
kprobes.h	[IA64] sanity in #include files. Move fnptr to types.h	15 years ago
kregs.h	…
kvm.h	KVM: provide synchronous registers in kvm_run	13 years ago
kvm_host.h	KVM: Introduce kvm_memory_slot::arch and move lpage_info into it	13 years ago
kvm_para.h	KVM: Add __KERNEL__ guards to exported headers	16 years ago
libata-portmap.h	…
linkage.h	…
local.h	…
local64.h	arch: Implement local64_t	15 years ago
machvec.h	…
machvec_dig.h	…
machvec_dig_vtd.h	…
machvec_hpsim.h	…
machvec_hpzx1.h	…
machvec_hpzx1_swiotlb.h	…
machvec_init.h	…
machvec_sn2.h	…
machvec_uv.h	…
machvec_xen.h	…
mc146818rtc.h	…
mca.h	[IA64] Save I-resources to ia64_sal_os_state	15 years ago
mca_asm.h	Disintegrate asm/system.h for IA64	13 years ago
meminit.h	ia64: don't alias VMALLOC_END to vmalloc_end	16 years ago
mman.h	mm: remove duplicate asm/mman.h files	16 years ago
mmu.h	…
mmu_context.h	cpumask: use mm_cpumask() wrapper: ia64	16 years ago
mmzone.h	[IA64] removing redundant ifdef	15 years ago
module.h	ia64/pv_ops/bp/module: support binary patching for kernel module.	16 years ago
msgbuf.h	…
msidef.h	ia64: Move the macro definitions related to MSI to one header file.	16 years ago
mutex.h	…
nodedata.h	…
numa.h	hugetlb: add generic definition of NUMA_NO_NODE	15 years ago
page.h	Disintegrate asm/system.h for IA64	13 years ago
pal.h	Fix common misspellings	14 years ago
param.h	…
paravirt.h	static keys: Introduce 'struct static_key', static_key_true()/false() and static_key_slow_[inc|dec]()	13 years ago
paravirt_patch.h	ia64/pv_op/binarypatch: add helper functions to support binary patching for paravirt_ops.	16 years ago
paravirt_privop.h	[IA64] fix allmodconfig compilation breakage.	16 years ago
parport.h	…
patch.h	…
pci.h	Disintegrate and delete asm/system.h	13 years ago
percpu.h	Merge branch 'for-35' of git://repo.or.cz/linux-kbuild	15 years ago
perfmon.h	fix typos 'comamnd' -> 'command' in comments	14 years ago
perfmon_default_smpl.h	Fix common misspellings	14 years ago
pgalloc.h	mm: Pass virtual address to [__]p{te,ud,md}_free_tlb()	16 years ago
pgtable.h	Disintegrate asm/system.h for IA64	13 years ago
poll.h	…
posix_types.h	ia64: Use generic posix_types.h	13 years ago
processor.h	Disintegrate asm/system.h for IA64	13 years ago
ptrace.h	Audit: push audit success and retcode into arch ptrace.h	13 years ago
ptrace_offsets.h	…
pvclock-abi.h	…
resource.h	…
rse.h	…
rwsem.h	rwsem: Move duplicate function prototypes to linux/rwsem.h	14 years ago
sal.h	Disintegrate asm/system.h for IA64	13 years ago
scatterlist.h	remove needless ISA_DMA_THRESHOLD	15 years ago
sections.h	…
segment.h	…
sembuf.h	…
serial.h	…
setup.h	Disintegrate asm/system.h for IA64	13 years ago
shmbuf.h	…
shmparam.h	…
sigcontext.h	…
siginfo.h	Add _addr_lsb field to ia64 siginfo	15 years ago
signal.h	asm-generic: rename termios.h, signal.h and mman.h	16 years ago
smp.h	cpumask: remove arch_send_call_function_ipi	16 years ago
socket.h	net: Add framework to allow sending packets with customized CRC.	13 years ago
sockios.h	…
sparsemem.h	…
spinlock.h	Disintegrate asm/system.h for IA64	13 years ago
spinlock_types.h	locking: Convert raw_rwlock to arch_rwlock	15 years ago
stat.h	…
statfs.h	…
string.h	…
swab.h	…
swiotlb.h	swiotlb: Remove duplicate swiotlb_force extern declarations	15 years ago
switch_to.h	Disintegrate asm/system.h for IA64	13 years ago
sync_bitops.h	…
syscall.h	[IA64] Remove COMPAT_IA32 support	15 years ago
termbits.h	tty: Add EXTPROC support for LINEMODE	15 years ago
termios.h	…
thread_info.h	freezer: remove now unused TIF_FREEZE	13 years ago
timex.h	ia64/pv_ops/pv_time_ops: add sched_clock hook.	16 years ago
tlb.h	ia64: mmu_gather rework	14 years ago
tlbflush.h	…
topology.h	numa: ia64: use generic percpu var numa_node_id() implementation	15 years ago
types.h	consolidate umode_t declarations	13 years ago
uaccess.h	…
ucontext.h	…
unaligned.h	…
uncached.h	…
unistd.h	ia64: Add accept4() syscall	13 years ago
unwind.h	…
user.h	…
ustack.h	…
vga.h	…
xor.h	…