Commit-ID: de31ec8a31046111befd16a7083e3bdda2ff42cf Gitweb: http://git.kernel.org/tip/de31ec8a31046111befd16a7083e3bdda2ff42cf Author: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx> AuthorDate: Thu, 18 Nov 2010 19:16:55 +0900 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Thu, 18 Nov 2010 13:40:19 +0100 x86/kprobes: Prevent kprobes to probe on save_args() Prevent kprobes to probe on save_args() since this function will be called from breakpoint exception handler. That will cause infinit loop on breakpoint handling. Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx> Cc: 2nddept-manager@xxxxxxxxxxxxxxxxx Cc: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx> LKML-Reference: <20101118101655.2779.2816.stgit@xxxxxxxxxxxxxxxxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- arch/x86/kernel/entry_64.S | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index fe2690d..e3ba417 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -295,6 +295,7 @@ ENDPROC(native_usergs_sysret64) .endm /* save partial stack frame */ + .pushsection .kprobes.text, "ax" ENTRY(save_args) XCPT_FRAME cld @@ -334,6 +335,7 @@ ENTRY(save_args) ret CFI_ENDPROC END(save_args) + .popsection ENTRY(save_rest) PARTIAL_FRAME 1 REST_SKIP+8 -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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