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| author | Prasanna S Panchamukhi <prasanna@in.ibm.com> | 2005-09-06 15:19:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-07 16:57:59 -0700 |
| commit | 0f2fbdcbb041f9087da42f8ac2e81f2817098d2a (patch) | |
| tree | 3f54f91ca6972c6567cfe529b33fafb622b2d51c /arch/x86_64/kernel/entry.S | |
| parent | 3d97ae5b958855ac007b6f56a0f94ab8ade09e9e (diff) | |
| download | linux-0f2fbdcbb041f9087da42f8ac2e81f2817098d2a.tar.gz linux-0f2fbdcbb041f9087da42f8ac2e81f2817098d2a.tar.bz2 linux-0f2fbdcbb041f9087da42f8ac2e81f2817098d2a.zip | |
[PATCH] kprobes: prevent possible race conditions x86_64 changes
This patch contains the x86_64 architecture specific changes to prevent the
possible race conditions.
Signed-off-by: Prasanna S Panchamukhi <prasanna@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/entry.S')
| -rw-r--r-- | arch/x86_64/kernel/entry.S | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index 096d470e280f..be51dbe1f75e 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -784,8 +784,9 @@ ENTRY(execve) ret CFI_ENDPROC -ENTRY(page_fault) +KPROBE_ENTRY(page_fault) errorentry do_page_fault + .previous .text ENTRY(coprocessor_error) zeroentry do_coprocessor_error @@ -797,13 +798,14 @@ ENTRY(device_not_available) zeroentry math_state_restore /* runs on exception stack */ -ENTRY(debug) +KPROBE_ENTRY(debug) CFI_STARTPROC pushq $0 CFI_ADJUST_CFA_OFFSET 8 paranoidentry do_debug jmp paranoid_exit CFI_ENDPROC + .previous .text /* runs on exception stack */ ENTRY(nmi) @@ -854,8 +856,9 @@ paranoid_schedule: jmp paranoid_userspace CFI_ENDPROC -ENTRY(int3) +KPROBE_ENTRY(int3) zeroentry do_int3 + .previous .text ENTRY(overflow) zeroentry do_overflow @@ -892,8 +895,9 @@ ENTRY(stack_segment) jmp paranoid_exit CFI_ENDPROC -ENTRY(general_protection) +KPROBE_ENTRY(general_protection) errorentry do_general_protection + .previous .text ENTRY(alignment_check) errorentry do_alignment_check |