Steven Rostedt 6c8d8b3c69 x86_32: Return actual stack when requesting sp from regs ... As x86_32 traps do not save sp when taken in kernel mode, we need to accommodate the sp when requesting to get the register. This affects kprobes. Before: # echo 'p:ftrace sys_read+4 s=%sp' > /debug/tracing/kprobe_events # echo 1 > /debug/tracing/events/kprobes/enable # cat trace sshd-1345 [000] d... 489.117168: ftrace: (sys_read+0x4/0x70) s=b7e96768 sshd-1345 [000] d... 489.117191: ftrace: (sys_read+0x4/0x70) s=b7e96768 cat-1447 [000] d... 489.117392: ftrace: (sys_read+0x4/0x70) s=5a7 cat-1447 [001] d... 489.118023: ftrace: (sys_read+0x4/0x70) s=b77ad05f less-1448 [000] d... 489.118079: ftrace: (sys_read+0x4/0x70) s=b7762e06 less-1448 [000] d... 489.118117: ftrace: (sys_read+0x4/0x70) s=b7764970 After: sshd-1352 [000] d... 362.348016: ftrace: (sys_read+0x4/0x70) s=f3febfa8 sshd-1352 [000] d... 362.348048: ftrace: (sys_read+0x4/0x70) s=f3febfa8 bash-1355 [001] d... 362.348081: ftrace: (sys_read+0x4/0x70) s=f5075fa8 sshd-1352 [000] d... 362.348082: ftrace: (sys_read+0x4/0x70) s=f3febfa8 sshd-1352 [000] d... 362.690950: ftrace: (sys_read+0x4/0x70) s=f3febfa8 bash-1355 [001] d... 362.691033: ftrace: (sys_read+0x4/0x70) s=f5075fa8 Link: http://lkml.kernel.org/r/1342208654.30075.22.camel@gandalf.stny.rr.com Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>		2012-11-19 05:31:37 -05:00
..
boot	x86, boot: Explicitly include autoconf.h for hostprogs	2012-10-14 12:41:28 -07:00
configs	x86/Kconfig: Turn off DEBUG_NX_TEST module in defconfigs	2012-09-05 10:43:12 +02:00
crypto	crypto: aesni - fix XTS mode on x86-32, add wrapper function for asmlinkage aesni_enc()	2012-10-18 14:01:33 -07:00
ia32	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal	2012-10-10 12:02:25 +09:00
include	x86_32: Return actual stack when requesting sp from regs	2012-11-19 05:31:37 -05:00
kernel	x86: Don't clobber top of pt_regs in nested NMI	2012-11-02 11:29:36 -04:00
kvm	KVM: apic: fix LDR calculation in x2apic mode	2012-10-22 18:03:27 +02:00
lguest	virtio: remove CONFIG_VIRTIO_RING	2012-09-28 15:05:15 +09:30
lib	x86/asm: Clean up copy_page_*() comments and code	2012-10-24 12:42:47 +02:00
math-emu
mm	readahead: fault retry breaks mmap file read random detection	2012-10-09 16:22:47 +09:00
net	x86: bpf_jit_comp: add XOR instruction for BPF JIT	2012-09-24 16:54:35 -04:00
oprofile	oprofile, x86: Fix wrapping bug in op_x86_get_ctrl()	2012-10-15 14:38:24 +02:00
pci	PCI changes for the 3.7 merge window:	2012-10-01 12:05:36 -07:00
platform	efi: Fix the ACPI BGRT driver for images located in EFI boot services memory	2012-09-29 12:21:03 -07:00
power	x86, kvm: Call restore_sched_clock_state() only after %gs is initialized	2012-04-02 13:53:00 +02:00
realmode	x86, suspend: Correct the restore of CR4, EFER; skip computing EFLAGS.ID	2012-10-02 08:42:31 +02:00
syscalls	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal	2012-10-10 12:02:25 +09:00
tools	UAPI: x86: Fix the test_get_len tool	2012-10-02 18:01:56 +01:00
um	Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux	2012-10-14 13:39:34 -07:00
vdso	time: Convert x86_64 to using new update_vsyscall	2012-09-24 12:38:09 -04:00
video	x86: Use vga_default_device() when determining whether an fb is primary	2012-04-24 09:50:17 +01:00
xen	Merge commit 'v3.7-rc1' into stable/for-linus-3.7	2012-10-19 15:19:19 -04:00
.gitignore
Kbuild	x86, realmode: realmode.bin infrastructure	2012-05-08 11:41:48 -07:00
Kconfig	Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux	2012-10-14 13:39:34 -07:00
Kconfig.cpu	x86/Kconfig: Clean up Kconfig defaults	2012-09-13 17:45:33 +02:00
Kconfig.debug	x86/tlb: add tlb_flushall_shift knob into debugfs	2012-06-27 19:29:10 -07:00
Makefile	kbuild: Fix accidental revert in commit fe04ddf	2012-10-15 13:01:05 -07:00
Makefile_32.cpu
Makefile.um	um: fix linker script generation	2012-04-09 13:59:00 -04:00