Messages in this thread Patch in this message | | | Date | Tue, 6 Dec 2011 01:42:46 -0800 | From | tip-bot for Srikar Dronamraju <> | Subject | [tip:x86/asm] x86: Clean up and extend do_int3() |
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Commit-ID: cc3a1bf52a9d2808c7cd6e8f413b02b650b6b84b Gitweb: http://git.kernel.org/tip/cc3a1bf52a9d2808c7cd6e8f413b02b650b6b84b Author: Srikar Dronamraju <srikar@linux.vnet.ibm.com> AuthorDate: Tue, 25 Oct 2011 19:51:59 +0530 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Tue, 6 Dec 2011 08:20:37 +0100
x86: Clean up and extend do_int3()
Since there is a possibility of !KPROBES int3 listeners (such as kgdb) and since DIE_TRAP is currently not being used by anybody, notify all listeners with DIE_INT3.
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/20111025142159.GB21225@linux.vnet.ibm.com Signed-off-by: Ingo Molnar <mingo@elte.hu> --- arch/x86/kernel/traps.c | 7 +------ 1 files changed, 1 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index a8e3eb8..fa1191f 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -306,15 +306,10 @@ dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) == NOTIFY_STOP) return; #endif /* CONFIG_KGDB_LOW_LEVEL_TRAP */ -#ifdef CONFIG_KPROBES + if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) return; -#else - if (notify_die(DIE_TRAP, "int3", regs, error_code, 3, SIGTRAP) - == NOTIFY_STOP) - return; -#endif preempt_conditional_sti(regs); do_trap(3, SIGTRAP, "int3", regs, error_code, NULL);
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