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SubjectRe: [PATCH -tip v8 03/26] kprobes: Prohibit probing on .entry.text code
On Wed, 05 Mar 2014 20:59:04 +0900
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> wrote:


> struct kprobe_insn_cache {
> struct mutex mutex;
> diff --git a/kernel/kprobes.c b/kernel/kprobes.c
> index ceeadfc..5b5ac76 100644
> --- a/kernel/kprobes.c
> +++ b/kernel/kprobes.c
> @@ -96,9 +96,6 @@ static raw_spinlock_t *kretprobe_table_lock_ptr(unsigned long hash)
> static struct kprobe_blackpoint kprobe_blacklist[] = {
> {"preempt_schedule",},
> {"native_get_debugreg",},
> - {"irq_entries_start",},
> - {"common_interrupt",},
> - {"mcount",}, /* mcount can be called from everywhere */

Is mcount in the entry.text section? Also, what about ftrace_caller and
friends.

-- Steve


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