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| author | Ingo Molnar <mingo@kernel.org> | 2014-06-05 11:18:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-06-05 12:26:50 +0200 |
| commit | 10b0256496fd6c162478547f7c6df1e052e87644 (patch) | |
| tree | 7037905737ae83a86a5cdb376cd1d66f7f407e2e /arch/x86/include | |
| parent | Merge branch 'perf/uprobes' into perf/core (diff) | |
| parent | kprobes: Ensure blacklist data is aligned (diff) | |
| download | linux-10b0256496fd6c162478547f7c6df1e052e87644.tar.xz linux-10b0256496fd6c162478547f7c6df1e052e87644.zip | |
Merge branch 'perf/kprobes' into perf/core
Conflicts:
arch/x86/kernel/traps.c
The kprobes enhancements are fully cooked, ship them upstream.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/asm.h | 7 | ||||
| -rw-r--r-- | arch/x86/include/asm/kprobes.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/traps.h | 2 |
3 files changed, 10 insertions, 1 deletions
diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h index 4582e8e1cd1a..7730c1c5c83a 100644 --- a/arch/x86/include/asm/asm.h +++ b/arch/x86/include/asm/asm.h @@ -57,6 +57,12 @@ .long (from) - . ; \ .long (to) - . + 0x7ffffff0 ; \ .popsection + +# define _ASM_NOKPROBE(entry) \ + .pushsection "_kprobe_blacklist","aw" ; \ + _ASM_ALIGN ; \ + _ASM_PTR (entry); \ + .popsection #else # define _ASM_EXTABLE(from,to) \ " .pushsection \"__ex_table\",\"a\"\n" \ @@ -71,6 +77,7 @@ " .long (" #from ") - .\n" \ " .long (" #to ") - . + 0x7ffffff0\n" \ " .popsection\n" +/* For C file, we already have NOKPROBE_SYMBOL macro */ #endif #endif /* _ASM_X86_ASM_H */ diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h index 9454c167629f..53cdfb2857ab 100644 --- a/arch/x86/include/asm/kprobes.h +++ b/arch/x86/include/asm/kprobes.h @@ -116,4 +116,6 @@ struct kprobe_ctlblk { extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); extern int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *data); +extern int kprobe_int3_handler(struct pt_regs *regs); +extern int kprobe_debug_handler(struct pt_regs *regs); #endif /* _ASM_X86_KPROBES_H */ diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h index a7b212db9e04..cf69d050aa6e 100644 --- a/arch/x86/include/asm/traps.h +++ b/arch/x86/include/asm/traps.h @@ -68,7 +68,7 @@ dotraplinkage void do_segment_not_present(struct pt_regs *, long); dotraplinkage void do_stack_segment(struct pt_regs *, long); #ifdef CONFIG_X86_64 dotraplinkage void do_double_fault(struct pt_regs *, long); -asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *); +asmlinkage struct pt_regs *sync_regs(struct pt_regs *); #endif dotraplinkage void do_general_protection(struct pt_regs *, long); dotraplinkage void do_page_fault(struct pt_regs *, unsigned long); |