From: Avi Kivity <avi@redhat.com>
To: Borislav Petkov <bp@amd64.org>
Cc: Ingo Molnar <mingo@elte.hu>,
"Przywara, Andre" <Andre.Przywara@amd.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
"Pohlack, Martin" <Martin.Pohlack@amd.com>
Subject: Re: [PATCH] x86, AMD: Correct F15h IC aliasing issue
Date: Wed, 27 Jul 2011 18:57:45 +0300 [thread overview]
Message-ID: <4E303579.4000903@redhat.com> (raw)
In-Reply-To: <20110727154957.GB19477@aftab>
On 07/27/2011 06:49 PM, Borislav Petkov wrote:
> On Wed, Jul 27, 2011 at 11:45:00AM -0400, Avi Kivity wrote:
> > What about F21h processors? I see you're not checking them.
> >
> > Is there any reason the check should not be made based on topology?
>
> Because this patch addresses a performance improvement for the F15h
> microarchitecture - that doesn't have anything to do with cache
> topology.
Okay.
Out of curiosity, what's the performance impact if the workaround is not
enabled?
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-07-27 15:58 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-22 13:15 [PATCH] x86, AMD: Correct F15h IC aliasing issue Borislav Petkov
2011-07-24 11:13 ` Ingo Molnar
2011-07-24 13:40 ` Borislav Petkov
2011-07-24 13:47 ` Ingo Molnar
2011-07-24 16:16 ` Andrew Morton
2011-07-26 18:33 ` Borislav Petkov
2011-07-24 16:04 ` Linus Torvalds
2011-07-24 17:22 ` Borislav Petkov
2011-07-24 17:39 ` Linus Torvalds
2011-07-24 18:12 ` Ingo Molnar
2011-07-24 18:23 ` Borislav Petkov
2011-07-24 18:30 ` Ingo Molnar
2011-07-24 19:07 ` Borislav Petkov
2011-07-24 20:44 ` Ingo Molnar
2011-07-25 20:00 ` Borislav Petkov
2011-07-25 20:06 ` Ingo Molnar
2011-07-25 21:53 ` Borislav Petkov
2011-07-26 5:58 ` Ray Lee
2011-07-26 17:28 ` Borislav Petkov
2011-07-26 18:34 ` Ingo Molnar
2011-07-26 18:39 ` Borislav Petkov
2011-07-26 18:47 ` Ingo Molnar
2011-07-26 19:33 ` Borislav Petkov
2011-07-27 17:10 ` Borislav Petkov
2011-07-27 17:16 ` H. Peter Anvin
2011-07-28 13:44 ` Borislav Petkov
2011-07-28 14:02 ` H. Peter Anvin
2011-07-28 14:13 ` Borislav Petkov
2011-07-28 14:18 ` H. Peter Anvin
2011-07-28 14:35 ` Borislav Petkov
2011-07-26 17:59 ` Avi Kivity
2011-07-26 18:13 ` Borislav Petkov
2011-07-26 18:16 ` H. Peter Anvin
2011-07-26 18:37 ` Borislav Petkov
2011-07-26 18:38 ` H. Peter Anvin
2011-07-26 19:42 ` Andre Przywara
2011-07-26 22:34 ` H. Peter Anvin
2011-07-27 4:14 ` Avi Kivity
2011-07-27 6:21 ` Borislav Petkov
2011-07-27 6:59 ` Ingo Molnar
2011-07-27 9:30 ` Avi Kivity
2011-07-27 15:37 ` Borislav Petkov
2011-07-27 15:45 ` Avi Kivity
2011-07-27 15:49 ` Borislav Petkov
2011-07-27 15:57 ` Avi Kivity [this message]
2011-07-27 16:42 ` Borislav Petkov
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