From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [Xen-devel] [patch 14/33] xen: xen time implementation Date: Wed, 6 Jun 2007 14:18:28 +0200 Message-ID: <200706061418.28967.ak@suse.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: Keir Fraser Cc: Jan Beulich , Jeremy Fitzhardinge , Xen-devel , Andrew Morton , lkml , Chris Wright , virtualization@lists.osdl.org, Ingo Molnar , Linus Torvalds , Thomas Gleixner List-Id: virtualization@lists.linuxfoundation.org > > 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