From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756503AbcBXNSQ (ORCPT ); Wed, 24 Feb 2016 08:18:16 -0500 Received: from mail-wm0-f68.google.com ([74.125.82.68]:36018 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755890AbcBXNSK (ORCPT ); Wed, 24 Feb 2016 08:18:10 -0500 From: Paolo Bonzini To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: yoshikawa_takuya_b1@lab.ntt.co.jp, guangrong.xiao@linux.intel.com, mtosatti@redhat.com Subject: [PATCH 10/12] KVM: mark memory barrier with smp_mb__after_atomic Date: Wed, 24 Feb 2016 14:17:51 +0100 Message-Id: <1456319873-34182-11-git-send-email-pbonzini@redhat.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1456319873-34182-1-git-send-email-pbonzini@redhat.com> References: <1456319873-34182-1-git-send-email-pbonzini@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Paolo Bonzini --- virt/kvm/kvm_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 39c36d4f4f5c..77a73739b08e 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -171,7 +171,7 @@ bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req) cpu = vcpu->cpu; /* Set ->requests bit before we read ->mode */ - smp_mb(); + smp_mb__after_atomic(); if (cpus != NULL && cpu != -1 && cpu != me && kvm_vcpu_exiting_guest_mode(vcpu) != OUTSIDE_GUEST_MODE) -- 1.8.3.1