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From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
To: Andi Kleen <ak@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH -tip 3/3] x86, mce: Add mce=nopoll option to disable timer polling
Date: Tue, 31 Mar 2009 16:32:29 +0900	[thread overview]
Message-ID: <49D1C70D.3070509@jp.fujitsu.com> (raw)
In-Reply-To: <49D09188.5060807@linux.intel.com>

Andi Kleen wrote:
>> How to prevent banks from clearing?
> 
> Firmware first typically means the firmware gets it one way or another
> using SMI and that tends to work even when the OS clears because
> SMI comes first. So stopping the clearing is probably not needed?

SMI is not only way for firmware.
IIRC, I heard there are some server doing poll from service processor on
BMC (Board Management Controller).
I could be wrong, but always there could be a special case.

Thanks,
H.Seto


  reply	other threads:[~2009-03-31  7:32 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-26  8:39 [PATCH -tip 3/3] x86, mce: Add mce=nopoll option to disable timer polling Hidetoshi Seto
2009-03-26  9:01 ` Andi Kleen
2009-03-27  9:49   ` Hidetoshi Seto
2009-03-27 11:44     ` Andi Kleen
2009-03-30  9:07       ` Hidetoshi Seto
2009-03-30  9:31         ` Andi Kleen
2009-03-31  7:32           ` Hidetoshi Seto [this message]
2009-03-31  8:16             ` Andi Kleen
2009-03-28 21:29 ` [tip:x86/mce2] " Hidetoshi Seto

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