linux-kernel - Re: [PATCH] vsprintf: Fix memory barriers of ptr_key to have_filed_random_ptr

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Message-ID: <20180524144405.10325ba3@gandalf.local.home>
Date:   Thu, 24 May 2018 14:44:05 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Pavel Machek <pavel@....cz>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        tcharding <me@...in.cc>
Subject: Re: [PATCH] vsprintf: Fix memory barriers of ptr_key to
 have_filed_random_ptr_key

On Wed, 23 May 2018 12:40:37 +0200
Pavel Machek <pavel@....cz> wrote:

> OTOH... fixing theoretical races is nice, but probably should not go
> to stable?

It also improves the performance of the hot path.

-- Steve