Messages in this thread Patch in this message | | | Date | Mon, 17 Dec 2018 10:20:04 -0800 | From | tip-bot for Masami Hiramatsu <> | Subject | [tip:perf/core] kprobes/x86: Remove unneeded arch_within_kprobe_blacklist from x86 |
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Commit-ID: 8162b3d1a728cf63abf54be4167dd9beec5d9d37 Gitweb: https://git.kernel.org/tip/8162b3d1a728cf63abf54be4167dd9beec5d9d37 Author: Masami Hiramatsu <mhiramat@kernel.org> AuthorDate: Mon, 17 Dec 2018 17:21:53 +0900 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Mon, 17 Dec 2018 17:48:40 +0100
kprobes/x86: Remove unneeded arch_within_kprobe_blacklist from x86
Remove x86 specific arch_within_kprobe_blacklist().
Since we have already added all blacklisted symbols to the kprobe blacklist by arch_populate_kprobe_blacklist(), we don't need arch_within_kprobe_blacklist() on x86 anymore.
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/154503491354.26176.13903264647254766066.stgit@devbox Signed-off-by: Ingo Molnar <mingo@kernel.org> --- arch/x86/kernel/kprobes/core.c | 8 -------- 1 file changed, 8 deletions(-)
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index 6011a4a90f0a..d5f88fe57064 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -1026,14 +1026,6 @@ int kprobe_fault_handler(struct pt_regs *regs, int trapnr) } NOKPROBE_SYMBOL(kprobe_fault_handler); -bool arch_within_kprobe_blacklist(unsigned long addr) -{ - return (addr >= (unsigned long)__kprobes_text_start && - addr < (unsigned long)__kprobes_text_end) || - (addr >= (unsigned long)__entry_text_start && - addr < (unsigned long)__entry_text_end); -} - int __init arch_populate_kprobe_blacklist(void) { return kprobe_add_area_blacklist((unsigned long)__entry_text_start,
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