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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2018-12-17 11:21:24 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-12-17 19:48:39 +0300 |
| commit | fe6e65615415987629a2dda583b4495677d8c388 (patch) | |
| tree | 98eb64419163bbb271d0b7d174abd3ccc49e14b6 /arch/x86/kernel/kprobes | |
| parent | fb1a59fae8baa3f3c69b72a87ff94fc4fa5683ec (diff) | |
| download | linux-fe6e65615415987629a2dda583b4495677d8c388.tar.xz | |
kprobes/x86: Show x86-64 specific blacklisted symbols correctly
Show x86-64 specific blacklisted symbols in debugfs.
Since x86-64 prohibits probing on symbols which are in
entry text, those should be shown.
Tested-by: Andrea Righi <righi.andrea@gmail.com>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yonghong Song <yhs@fb.com>
Link: http://lkml.kernel.org/r/154503488425.26176.17136784384033608516.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/kprobes')
| -rw-r--r-- | arch/x86/kernel/kprobes/core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index c33b06f5faa4..6011a4a90f0a 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -1034,6 +1034,12 @@ bool arch_within_kprobe_blacklist(unsigned long addr) addr < (unsigned long)__entry_text_end); } +int __init arch_populate_kprobe_blacklist(void) +{ + return kprobe_add_area_blacklist((unsigned long)__entry_text_start, + (unsigned long)__entry_text_end); +} + int __init arch_init_kprobes(void) { return 0; |