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[Qemu-devel] [PATCH 06/88] kvmclock: Ensure proper env->tsc value for kv
From: |
Michael Roth |
Subject: |
[Qemu-devel] [PATCH 06/88] kvmclock: Ensure proper env->tsc value for kvmclock_current_nsec calculation |
Date: |
Thu, 8 Jan 2015 11:33:10 -0600 |
From: Marcelo Tosatti <address@hidden>
Ensure proper env->tsc value for kvmclock_current_nsec calculation.
Reported-by: Marcin Gibuła <address@hidden>
Analyzed-by: Marcin Gibuła <address@hidden>
Cc: address@hidden
Signed-off-by: Marcelo Tosatti <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
(cherry picked from commit 317b0a6d8ba44e9bf8f9c3dbd776c4536843d82c)
Signed-off-by: Michael Roth <address@hidden>
---
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
- [Qemu-devel] Patch Round-up for stable 2.1.3, freeze on 2015-01-14, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 02/88] qdev: Add cleanup logic in device_set_realized() to avoid resource leak, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 04/88] xhci PCIe endpoint migration compatibility fix, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 01/88] qdev: Use NULL instead of local_err for qbus_child unrealize, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 03/88] exec: file_ram_alloc(): print error when prealloc fails, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 10/88] virtio-pci: enable bus master for old guests, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 05/88] Introduce cpu_clean_all_dirty, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 08/88] kvmclock: Add comment explaining why we need cpu_clean_all_dirty(), Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 09/88] pci: Use bus master address space for delivering MSI/MSI-X messages, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 07/88] kvmclock: Ensure time in migration never goes backward, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 06/88] kvmclock: Ensure proper env->tsc value for kvmclock_current_nsec calculation,
Michael Roth <=
- [Qemu-devel] [PATCH 12/88] hw/arm/virt: fix pl011 and pl031 irq flags, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 13/88] gdbstub: init mon_chr through qemu_chr_alloc, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 14/88] qapi: add visit_start_union and visit_end_union, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 11/88] spapr_pci: map the MSI window in each PHB, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 15/88] qapi: dealloc visitor, implement visit_start_union, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 16/88] tests: add QMP input visitor test for unions with no discriminator, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 17/88] qemu-iotests: Test missing "driver" key for blockdev-add, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 18/88] monitor: Reset HMP mon->rs in CHR_EVENT_OPEN, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 20/88] vhost-user: fix VIRTIO_NET_F_MRG_RXBUF negotiation, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 22/88] ivshmem: validate incoming_posn value from server, Michael Roth, 2015/01/08