Siddhesh Poyarekar 42dfc43ee5 x86_64: Record stack pointer before task execution begins ... task->thread.usersp is unusable immediately after a binary is exec()'d until it undergoes a context switch cycle. The start_thread() function called during execve() saves the stack pointer into pt_regs and into old_rsp, but fails to record it into task->thread.usersp. Because of this, KSTK_ESP(task) returns an incorrect value for a 64-bit program until the task is switched out and back in since switch_to swaps %rsp values in and out into task->thread.usersp. Signed-off-by: Siddhesh Poyarekar <siddhesh.poyarekar@gmail.com> Link: http://lkml.kernel.org/r/1330273075-2949-1-git-send-email-siddhesh.poyarekar@gmail.com Signed-off-by: H. Peter Anvin <hpa@zytor.com>		2012-02-26 12:59:04 -08:00
..
boot	x86/boot-image: Don't leak phdrs in arch/x86/boot/compressed/misc.c::Parse_elf()	2012-01-26 11:30:29 +01:00
configs	iommu: Rename the DMAR and INTR_REMAP config options	2011-09-21 10:22:03 +02:00
crypto	crypto: serpent-sse2 - remove unneeded LRW/XTS #ifdefs	2011-12-20 15:20:08 +08:00
ia32	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit	2012-01-17 16:41:31 -08:00
include/asm	i387: re-introduce FPU state preloading at context switch time	2012-02-18 14:03:48 -08:00
kernel	x86_64: Record stack pointer before task execution begins	2012-02-26 12:59:04 -08:00
kvm	i387: move TS_USEDFPU flag from thread_info to task_struct	2012-02-18 10:19:41 -08:00
lguest	lguest: Make sure interrupt is allocated ok by lguest_setup_irq	2012-01-12 15:44:47 +10:30
lib	Merge branches 'sched-urgent-for-linus', 'perf-urgent-for-linus' and 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2012-01-19 14:53:06 -08:00
math-emu
mm	Merge branches 'core-urgent-for-linus', 'perf-urgent-for-linus', 'sched-urgent-for-linus' and 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2012-02-02 11:11:13 -08:00
net	net: bpf_jit: fix divide by 0 generation	2012-01-18 16:04:26 -05:00
oprofile	Merge branch 'core' of git://amd64.org/linux/rric into perf/core	2011-11-15 11:05:18 +01:00
pci	xen pvhvm: do not remap pirqs onto evtchns if !xen_have_vector_callback	2012-02-03 16:06:27 -05:00
platform	x86/uv: Fix uninitialized spinlocks	2012-01-26 10:58:34 +01:00
power	x86: Fix files explicitly requiring export.h for EXPORT_SYMBOL/THIS_MODULE	2011-10-31 19:30:35 -04:00
syscalls	x86, syscall: Allow syscall offset to be symbolic	2011-11-18 17:01:19 -08:00
tools	x86/tools: Add decoded instruction dump mode	2011-12-05 14:53:23 +01:00
um	uml: fix compile for x86-64	2012-01-18 19:26:11 -08:00
vdso	Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2011-10-28 05:03:12 -07:00
video	x86: fix up files really needing to include module.h	2011-10-31 19:30:36 -04:00
xen	xen/smp: Fix CPU online/offline bug triggering a BUG: scheduling while atomic.	2012-02-03 16:05:42 -05:00
.gitignore	x86/kprobes: Add arch/x86/tools/insn_sanity to .gitignore	2012-01-16 08:21:59 +01:00
Kbuild
Kconfig	x86/numachip: Drop unnecessary conflict with EDAC	2012-01-26 11:03:03 +01:00
Kconfig.cpu	mm,x86,um: move CMPXCHG_DOUBLE config option	2012-01-12 20:13:03 -08:00
Kconfig.debug	Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2012-01-11 19:13:40 -08:00
Makefile	x86: Generate system call tables and unistd_*.h from tables	2011-11-17 13:35:37 -08:00
Makefile_32.cpu
Makefile.um	um: take arch/um/sys-x86 to arch/x86/um	2011-11-02 14:15:05 +01:00