From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752356AbZHSNGl (ORCPT ); Wed, 19 Aug 2009 09:06:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752313AbZHSNEp (ORCPT ); Wed, 19 Aug 2009 09:04:45 -0400 Received: from mx2.redhat.com ([66.187.237.31]:50581 "EHLO mx2.redhat.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752010AbZHSNCt (ORCPT ); Wed, 19 Aug 2009 09:02:49 -0400 From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 41/47] KVM: document locking for kvm_io_device_ops Date: Wed, 19 Aug 2009 16:02:37 +0300 Message-Id: <1250686963-8357-42-git-send-email-avi@redhat.com> In-Reply-To: <1250686963-8357-1-git-send-email-avi@redhat.com> References: <1250686963-8357-1-git-send-email-avi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Michael S. Tsirkin slots_lock is taken everywhere when device ops are called. Document this as we will use this to rework locking for io. Signed-off-by: Michael S. Tsirkin Signed-off-by: Avi Kivity --- virt/kvm/iodev.h | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/virt/kvm/iodev.h b/virt/kvm/iodev.h index 2c67f5a..06e38b2 100644 --- a/virt/kvm/iodev.h +++ b/virt/kvm/iodev.h @@ -20,6 +20,9 @@ struct kvm_io_device; +/** + * kvm_io_device_ops are called under kvm slots_lock. + **/ struct kvm_io_device_ops { void (*read)(struct kvm_io_device *this, gpa_t addr, -- 1.6.3.3