From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: [PATCH 03/15] KVM: Initialize PIO I/O count Date: Sun, 11 Mar 2007 15:53:15 +0200 Message-ID: <1173621207798-git-send-email-avi@qumranet.com> References: <11736212072915-git-send-email-avi@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Andrew Morton , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: In-Reply-To: <11736212072915-git-send-email-avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org This allows userspace to ignore the io.rep field. No a big deal, but friendly. Signed-off-by: Avi Kivity --- drivers/kvm/svm.c | 1 + drivers/kvm/vmx.c | 1 + 2 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index b176f5a..c35b8c8 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -1037,6 +1037,7 @@ static int io_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) kvm_run->io.size = ((io_info & SVM_IOIO_SIZE_MASK) >> SVM_IOIO_SIZE_SHIFT); kvm_run->io.string = (io_info & SVM_IOIO_STR_MASK) != 0; kvm_run->io.rep = (io_info & SVM_IOIO_REP_MASK) != 0; + kvm_run->io.count = 1; if (kvm_run->io.string) { unsigned addr_mask; diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index 7fd572a..d4c9f33 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -1459,6 +1459,7 @@ static int handle_io(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) = (vmcs_readl(GUEST_RFLAGS) & X86_EFLAGS_DF) != 0; kvm_run->io.rep = (exit_qualification & 32) != 0; kvm_run->io.port = exit_qualification >> 16; + kvm_run->io.count = 1; if (kvm_run->io.string) { if (!get_io_count(vcpu, &kvm_run->io.count)) return 1; -- 1.5.0.2 ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV