linux-kernel - Re: [PATCH 3/3] percpu: Remove inert tracepoint in _

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20180215153341.5zlc2opvx2vteoqe@treble>
Date:   Thu, 15 Feb 2018 09:33:41 -0600
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Tejun Heo <tj@...nel.org>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Jason Baron <jbaron@...mai.com>, Borislav Petkov <bp@...e.de>
Subject: Re: [PATCH 3/3] percpu: Remove inert tracepoint in __init code

On Thu, Feb 15, 2018 at 07:22:46AM -0800, Tejun Heo wrote:
> On Wed, Feb 14, 2018 at 10:40:43AM -0600, Josh Poimboeuf wrote:
> > The jump_label code doesn't patch init code, so this tracepoint can
> > never be enabled.  Remove it.
> > 
> > Cc: Tejun Heo <tj@...nel.org>
> > Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>
> 
> Applied to percpu/for-4.17.

Actually, I think this patch should be dropped.  As Jason pointed out,
tracepoints *can* be enabled at boot time for __init code, so it's
possible for this tracepoint to be used.

-- 
Josh