From: "H. Peter Anvin" <hpa@zytor.com>
To: Borislav Petkov <bp@amd64.org>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Avi Kivity <avi@redhat.com>,
Andre Przywara <Andre.Przywara@amd.com>,
Martin Pohlack <Martin.Pohlack@amd.com>,
LKML <linux-kernel@vger.kernel.org>,
Borislav Petkov <borislav.petkov@amd.com>
Subject: Re: [PATCH -v3.1 0/3] x86, AMD: Correct F15h IC aliasing issue
Date: Fri, 05 Aug 2011 10:10:29 -0700 [thread overview]
Message-ID: <4E3C2405.8090309@zytor.com> (raw)
In-Reply-To: <1312550110-24160-1-git-send-email-bp@amd64.org>
On 08/05/2011 06:15 AM, Borislav Petkov wrote:
> From: Borislav Petkov <borislav.petkov@amd.com>
>
> Hi,
>
> a small refinement of the patchset from yesterday per hpa's comments:
>
> * put mask and flags into a single cacheline and make it __read_mostly
>
> * change alignment computation back to clearing bits [14:12] so that a
> mask of 0x0 can have no effect on the address.
>
> Please take a look and apply, if no objections.
>
Patch 1 looks good now.
Patch 2 I'm going to object to because it puts your run_on_bsp method
into a different structure where all the existing methods for this
already are in a way that looks totally gratuitous to me. Why not just
have a c_bsp_init on struct cpu_dev like all the other methods?
-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:[~2011-08-05 17:11 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-05 13:15 [PATCH -v3.1 0/3] x86, AMD: Correct F15h IC aliasing issue Borislav Petkov
2011-08-05 13:15 ` [PATCH -v3.1 1/3] " Borislav Petkov
2011-08-05 22:58 ` [tip:x86/cpu] x86, amd: Avoid cache aliasing penalties on AMD family 15h tip-bot for Borislav Petkov
2011-08-06 0:10 ` H. Peter Anvin
2011-08-06 12:31 ` [PATCH] x86, AMD: Fix 32-bit build after cache aliasing patch Borislav Petkov
2011-08-06 23:22 ` [tip:x86/cpu] x86-32, amd: Move va_align definition to unbreak 32-bit build tip-bot for Borislav Petkov
2011-08-05 13:15 ` [PATCH -v3.1 2/3] x86: Add a BSP cpuinit helper Borislav Petkov
2011-08-05 13:15 ` [PATCH -v3.1 3/3] x86, AMD: Move BSP code to " Borislav Petkov
2011-08-05 17:10 ` H. Peter Anvin [this message]
2011-08-05 17:55 ` [PATCH -v3.1 0/3] x86, AMD: Correct F15h IC aliasing issue Borislav Petkov
2011-08-05 18:01 ` [PATCH -v3.2 2/3] x86: Add a BSP cpu_dev helper Borislav Petkov
2011-08-05 22:58 ` [tip:x86/cpu] " tip-bot for Borislav Petkov
2011-08-05 18:04 ` [PATCH -v3.2 3/3] x86, AMD: Move BSP code to " Borislav Petkov
2011-08-05 20:07 ` H. Peter Anvin
2011-08-05 22:52 ` Borislav Petkov
2011-08-05 22:56 ` H. Peter Anvin
2011-08-05 22:59 ` [tip:x86/cpu] x86, amd: " tip-bot for Borislav Petkov
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