Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752737Ab2E2GrT (ORCPT ); Tue, 29 May 2012 02:47:19 -0400 Received: from e23smtp09.au.ibm.com ([202.81.31.142]:42236 "EHLO e23smtp09.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751161Ab2E2GrS (ORCPT ); Tue, 29 May 2012 02:47:18 -0400 Message-ID: <4FC470C7.5040700@linux.vnet.ibm.com> Date: Tue, 29 May 2012 14:46:31 +0800 From: Xiao Guangrong User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 MIME-Version: 1.0 To: Avi Kivity CC: Marcelo Tosatti , LKML , KVM Subject: [PATCH v6 0/9] KVM: MMU: fast page fault Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit x-cbid: 12052821-3568-0000-0000-000001E2D294 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 616 Lines: 15 Changlog: - disable fast page fault for soft mmu, let it only works for direct sptes. - optimize spte_has_volatile_bits() and mmu_spte_update() Performance result: (The benchmark can be found at: http://www.spinics.net/lists/kvm/msg73011.html) before after Run 10 times, Avg time: 532473698 ns. 195864447 ns. +63.2% -- 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/