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kprobes/x86: Remove unneeded arch_within_kprobe_blacklist from x86

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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>
This commit is contained in:
Masami Hiramatsu 2018-12-17 17:21:53 +09:00 committed by Ingo Molnar
parent fe6e656154
commit 8162b3d1a7
1 changed files with 0 additions and 8 deletions
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8
arch/x86/kernel/kprobes/core.c
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@ -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,