From: "H. Peter Anvin" <hpa@zytor.com>
To: Avi Kivity <avi@redhat.com>
Cc: Alexander Graf <agraf@suse.de>,
x86@kernel.org, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, Joerg Roedel <joerg.roedel@amd.com>
Subject: Re: [PATCH] x86, nmi: workaround sti; hlt race vs nmi; intr
Date: Tue, 28 Sep 2010 08:34:57 -0700 [thread overview]
Message-ID: <4CA20B21.7060809@zytor.com> (raw)
In-Reply-To: <4CA1AC50.7000801@redhat.com>
On 09/28/2010 01:50 AM, Avi Kivity wrote:
>
> Personally I think the safer route is to take the patch. There are
> other processors besides Intel and AMD and we can't test all of them,
> not to mention various emulators and virtual machine monitors out there.
>
Speaking for the smoltering crater that used to be *Transmeta*, I'm
(from memory) quite certain they blocked NMI and that this was
intentional behavior.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2010-09-28 15:35 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-19 16:28 [PATCH] x86, nmi: workaround sti; hlt race vs nmi; intr Avi Kivity
2010-09-27 8:38 ` Avi Kivity
2010-09-27 9:13 ` Alexander Graf
2010-09-27 9:15 ` Alexander Graf
2010-09-27 9:17 ` Avi Kivity
2010-09-27 9:22 ` Alexander Graf
2010-09-27 9:27 ` Avi Kivity
2010-09-27 9:36 ` Alexander Graf
2010-09-27 21:55 ` H. Peter Anvin
2010-09-28 8:50 ` Avi Kivity
2010-09-28 9:22 ` Roedel, Joerg
2010-09-28 15:34 ` H. Peter Anvin [this message]
2010-09-28 16:30 ` Avi Kivity
2010-09-27 10:31 ` Joerg Roedel
2010-09-27 14:17 ` Avi Kivity
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