From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59638) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y9GzF-0003Bu-Tp for qemu-devel@nongnu.org; Thu, 08 Jan 2015 12:35:21 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Y9Gz6-00062t-4i for qemu-devel@nongnu.org; Thu, 08 Jan 2015 12:35:09 -0500 Received: from e31.co.us.ibm.com ([32.97.110.149]:56042) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y9Gz5-00062S-U1 for qemu-devel@nongnu.org; Thu, 08 Jan 2015 12:35:00 -0500 Received: from /spool/local by e31.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 8 Jan 2015 10:34:59 -0700 From: Michael Roth Date: Thu, 8 Jan 2015 11:33:10 -0600 Message-Id: <1420738472-23267-7-git-send-email-mdroth@linux.vnet.ibm.com> In-Reply-To: <1420738472-23267-1-git-send-email-mdroth@linux.vnet.ibm.com> References: <1420738472-23267-1-git-send-email-mdroth@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH 06/88] kvmclock: Ensure proper env->tsc value for kvmclock_current_nsec calculation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org From: Marcelo Tosatti Ensure proper env->tsc value for kvmclock_current_nsec calculation. Reported-by: Marcin Gibuła Analyzed-by: Marcin Gibuła Cc: qemu-stable@nongnu.org Signed-off-by: Marcelo Tosatti Signed-off-by: Paolo Bonzini (cherry picked from commit 317b0a6d8ba44e9bf8f9c3dbd776c4536843d82c) Signed-off-by: Michael Roth --- hw/i386/kvm/clock.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/i386/kvm/clock.c b/hw/i386/kvm/clock.c index 07b9c0e..9d65766 100644 --- a/hw/i386/kvm/clock.c +++ b/hw/i386/kvm/clock.c @@ -16,6 +16,7 @@ #include "qemu-common.h" #include "sysemu/sysemu.h" #include "sysemu/kvm.h" +#include "sysemu/cpus.h" #include "hw/sysbus.h" #include "hw/kvm/clock.h" @@ -75,6 +76,9 @@ static void kvmclock_vm_state_change(void *opaque, int running, if (s->clock_valid) { return; } + + cpu_synchronize_all_states(); + cpu_clean_all_dirty(); ret = kvm_vm_ioctl(kvm_state, KVM_GET_CLOCK, &data); if (ret < 0) { fprintf(stderr, "KVM_GET_CLOCK failed: %s\n", strerror(ret)); -- 1.9.1