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From: MK <mk@cognitivedissonance.ca>
To: linux-kernel@vger.kernel.org
Subject: Re: AVX "Sandy Bridge" hardware issue?
Date: Fri, 15 Jul 2011 09:06:39 -0400	[thread overview]
Message-ID: <20110715090639.5550ac11.mk@cognitivedissonance.ca> (raw)
In-Reply-To: <4E1CB768.6060304@genband.com>

On Tue, 12 Jul 2011 15:06:48 -0600
Chris Friesen <chris.friesen@genband.com> wrote:
> For what it's worth, Intel says the E31230 supports AVX as well:
> 
> http://ark.intel.com/Product.aspx?id=52271

Thanks for that.
 
> As far as I can tell, support for saving/restoring AVX registers was 
> added in 2.6.30, but gcc 4.6 is needed for proper support to actually 
> use the new instructions.  However, given that you're using openVZ
> then if there is a bug in the kernel all it would take is one VPS
> slice using code built with a new compiler.

I might try building a new gcc (since there is no 4.6 binary for
F14) and then testing that way.




-- 
"Enthusiasm is not the enemy of the intellect." (said of Irving Howe)
"The angel of history[...]is turned toward the past." (Walter Benjamin)


  reply	other threads:[~2011-07-15 13:12 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-12 20:16 MK
2011-07-12 21:06 ` Chris Friesen
2011-07-15 13:06   ` MK [this message]
2011-07-13  0:49 ` Andi Kleen
2011-07-13 16:17   ` Chris Friesen
2011-07-15 13:12   ` MK
2011-07-20 13:55 ` Andy Lutomirski

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