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[Qemu-stable] [PULL 03/11] kvmclock: Ensure proper env->tsc value for kv
From: |
Paolo Bonzini |
Subject: |
[Qemu-stable] [PULL 03/11] kvmclock: Ensure proper env->tsc value for kvmclock_current_nsec calculation |
Date: |
Fri, 26 Sep 2014 16:38:02 +0200 |
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>
---
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));
--
2.1.0
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