From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: [PATCH 0/4] Lightweight svm vmload/vmsave (almost) Date: Thu, 21 Oct 2010 12:20:30 +0200 Message-ID: <1287656434-3880-1-git-send-email-avi@redhat.com> To: Marcelo Tosatti , kvm@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:38113 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751783Ab0JUKUg (ORCPT ); Thu, 21 Oct 2010 06:20:36 -0400 Received: from int-mx03.intmail.prod.int.phx2.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.16]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o9LAKavI003646 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 21 Oct 2010 06:20:36 -0400 Received: from cleopatra.tlv.redhat.com (cleopatra.tlv.redhat.com [10.35.255.11]) by int-mx03.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o9LAKZlc028050 for ; Thu, 21 Oct 2010 06:20:35 -0400 Sender: kvm-owner@vger.kernel.org List-ID: This patchset moves svm towards a lightweight vmload/vmsave path. It was hindered by CVE-2010-3698 which was discovered during its development, and by the lack of per-cpu IDT in Linux, which makes it more or less useless. However, even so it's a slight improvement, and merging it will reduce the work needed when we do have per-cpu IDT. Avi Kivity (4): KVM: SVM: Move guest register save out of interrupts disabled section KVM: SVM: Move svm->host_gs_base into a separate structure KVM: SVM: Move fs/gs/ldt save/restore to heavyweight exit path KVM: SVM: Fold save_host_msrs() and load_host_msrs() into their callers arch/x86/kvm/svm.c | 61 +++++++++++++++++++++++----------------------------- 1 files changed, 27 insertions(+), 34 deletions(-) -- 1.7.3.1