Re: [tip:x86/urgent] x86/mm: Add barriers and document switch_mm() -vs-flush synchronization
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- Subject: Re: [tip:x86/urgent] x86/mm: Add barriers and document switch_mm() -vs-flush synchronization
- From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
- Date: Mon, 11 Jan 2016 23:22:35 +0100
- Cc: "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Rik van Riel <riel@xxxxxxxxxx>, Brian Gerst <brgerst@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Denys Vlasenko <dvlasenk@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Andrew Lutomirski <luto@xxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, "linux-tip-commits@xxxxxxxxxxxxxxx" <linux-tip-commits@xxxxxxxxxxxxxxx>
- In-reply-to: <CALCETrXLUewtYNQOdiGpKLvp=RL0eMLSj+v7_J0G1a_do+6G8Q@mail.gmail.com>
- User-agent: Mutt/1.5.21 (2012-12-30)
On Mon, Jan 11, 2016 at 01:50:24PM -0800, Andy Lutomirski wrote:
> On Mon, Jan 11, 2016 at 10:25 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> > On Mon, Jan 11, 2016 at 03:42:40AM -0800, tip-bot for Andy Lutomirski wrote:
> >> + * The bad outcome can occur if either CPU's load is
> >> + * reordered before that CPU's store, so both CPUs much
> >
> > s/much/must/ ?
>
> Indeed. Is this worth a follow-up patch?
Dunno, I didn't even spot the typo the first time I read it.. :-)
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