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xen-devel
Re: [Xen-devel] [patch 14/33] xen: xen time implementation
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To: |
Keir Fraser <keir@xxxxxxxxxxxxx> |
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Subject: |
Re: [Xen-devel] [patch 14/33] xen: xen time implementation |
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From: |
Andi Kleen <ak@xxxxxxx> |
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Date: |
Wed, 6 Jun 2007 14:18:28 +0200 |
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Cc: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, lkml <linux-kernel@xxxxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxxxx>, Chris Wright <chrisw@xxxxxxxxxxxx>, virtualization@xxxxxxxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx> |
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Wed, 06 Jun 2007 05:16:51 -0700 |
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>
> Yes, this could be an issue. Is there any way to get an interrupt or MCE
> when thermal throttling occurs?
Yes you can get an thermal interrupt from the local APIC. See the Linux
kernel source. Of course there would be still a race window.
On the other hand some timing issues on throttling are probably
the smallest of the users' problems when it really happens.
Standard Linux just ignores it.
-Andi
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