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Date: Wed, 23 Mar 2016 09:30:11 +0100 From: Borislav Petkov <bp@...en8.de> To: Davidlohr Bueso <dave@...olabs.net> Cc: tony.luck@...el.com, mingo@...nel.org, linux-kernel@...r.kernel.org, Davidlohr Bueso <dbueso@...e.de> Subject: Re: [PATCH -tip] x86/mce: Use atomic_inc_return barrier when starting monad sync On Mon, Mar 21, 2016 at 04:19:56PM -0700, Davidlohr Bueso wrote: > mce_start() has an explicit smp_wmb to serialize writes to > global_nwo and mce_callin. However, atomic_inc_return() implies > barriers on both sides of the call, as such simply rely on this > full smp barrier. > > Signed-off-by: Davidlohr Bueso <dbueso@...e.de> > --- > arch/x86/kernel/cpu/mcheck/mce.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Applied, thanks. -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply.
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