Re: [PATCH 1/6] x86/uaccess: Dont evaluate argument inside AC region

Peter Zijlstra
2019-02-25T16:02:36Z

On Mon, Feb 25, 2019 at 07:43:53AM -0800, Andy Lutomirski wrote:
> On Mon, Feb 25, 2019 at 4:53 AM Peter Zijlstra <peterz@infradead.org> wrote:
> >
> > AC regions are special, make sure we don't do possibly complex
> > evaluations there.
> >
> > Probably-Signed-off-by: Andy Lutomirski <luto@kernel.org>
>
> I put a slightly fancier version here last night so that the 0day bot
> could chew on it:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/commit/?h=x86/fixes&id=b294da548d92320f194172272dda1f734e51013d
>
> want to snarf it up? It's the same thing except that I added Linus'
> suggested change, found the offending patch that broke it (hi Linus!)
> and added a bit more changelog :)

Sure; I'll take that one.