Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755720Ab2EPPp7 (ORCPT ); Wed, 16 May 2012 11:45:59 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55382 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752819Ab2EPPp5 (ORCPT ); Wed, 16 May 2012 11:45:57 -0400 Date: Wed, 16 May 2012 18:41:04 +0300 From: "Michael S. Tsirkin" To: x86@kernel.org, kvm@vger.kernel.org Cc: Ingo Molnar , "H. Peter Anvin" , Avi Kivity , Marcelo Tosatti , gleb@redhat.com, Linus Torvalds , linux-kernel@vger.kernel.org Subject: Re: [PATCHv4 0/5] apic: eoi optimization support Message-ID: <20120516154103.GA10320@redhat.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 727 Lines: 15 On Wed, May 16, 2012 at 02:45:50PM +0300, Michael S. Tsirkin wrote: > I'm looking at reducing the interrupt overhead for virtualized guests: > some workloads spend a large part of their time processing interrupts. > This patchset supplies infrastructure to reduce the IRQ ack overhead on > x86: the idea is to add an eoi_write callback that we can then optimize > without touching other apic functionality. Ugh. I lost first part of the patchset. Sorry. Will send a fixed one now. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/