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From: "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH 3/4] x86,asm: Re-work smp_store_mb()
Date: Wed, 13 Jan 2016 18:25:21 +0200
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To: Borislav Petkov <bp@alien8.de>
Cc: Davidlohr Bueso <dave@stgolabs.net>, Davidlohr Bueso <dbueso@suse.de>, Peter Zijlstra <peterz@infradead.org>, the arch/x86 maintainers <x86@kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Andy Lutomirski <luto@amacapital.net>, Andy Lutomirski <luto@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>, "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>, Thomas Gleixner <tglx@linutronix.de>, virtualization <virtualization@lists.linux-foundation.org>, Linus Torvalds <torvalds@linux-foundation.org>, Ingo Molnar <mingo@kernel.org>
List-Id: virtualization@lists.linuxfoundation.org

On Wed, Jan 13, 2016 at 05:17:04PM +0100, Borislav Petkov wrote:
> On Tue, Jan 12, 2016 at 03:24:05PM -0800, Linus Torvalds wrote:
> > But talking to the hw people about this is certainly a good idea regardless.
> 
> I'm not seeing it in this thread but I might've missed it too. Anyway,
> I'm being reminded that the ADD will change rFLAGS while MFENCE doesn't
> touch them.
> 
> Do we care?

Which flag do you refer to, exactly?

> -- 
> Regards/Gruss,
>     Boris.
> 
> ECO tip #101: Trim your mails when you reply.