Re: [PATCH -tip v8 03/26] kprobes: Prohibit probing on .entry.text code

From: Steven Rostedt
Date: Mon Mar 24 2014 - 14:56:03 EST


On Wed, 05 Mar 2014 20:59:04 +0900
Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx> wrote:

> .entry.text is a code area which is used for interrupt/syscall
> entries, and there are many sensitive codes.
> Thus, it is better to prohibit probing on all of such codes
> instead of a part of that.
> Since some symbols are already registered on kprobe blacklist,
> this also removes them from the blacklist.
>
> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
> Cc: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>
> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> Cc: Seiji Aguchi <seiji.aguchi@xxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
> ---

Reviewed-by: Steven Rostedt <rostedt@xxxxxxxxxxx>

-- Steve
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