Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755255Ab2FTH4i (ORCPT ); Wed, 20 Jun 2012 03:56:38 -0400 Received: from e28smtp09.in.ibm.com ([122.248.162.9]:56257 "EHLO e28smtp09.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754168Ab2FTH4h (ORCPT ); Wed, 20 Jun 2012 03:56:37 -0400 Message-ID: <4FE1822D.8010002@linux.vnet.ibm.com> Date: Wed, 20 Jun 2012 15:56:29 +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 v7 00/10] KVM: MMU: fast page fault Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit x-cbid: 12062007-2674-0000-0000-000004F5C044 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 663 Lines: 16 Changlog: - always atomicly update the spte if it can be updated out of mmu-lock - rename spte_can_be_writable() to spte_is_locklessly_modifiable() - cleanup and comment spte_write_protect() Performance result: (The benchmark can be found at: http://www.spinics.net/lists/kvm/msg73011.html) before after Run 10 times, Avg time: 538233957 ns. 249809853 ns. +53.6% -- 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/