diff options
| author | Marcelo Tosatti <mtosatti@redhat.com> | 2014-09-05 10:52:47 -0300 |
|---|---|---|
| committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2014-12-24 15:59:00 -0600 |
| commit | 61048e194227847e3b3d59a7cee210755cecbabc (patch) | |
| tree | e1103e7046bf2c78a998a643aa593b43fa9c8e48 /hw | |
| parent | a9ed61533f0590a3d024145d59dddc031ee86396 (diff) | |
| download | qemu-61048e194227847e3b3d59a7cee210755cecbabc.tar.gz | |
kvmclock: Ensure proper env->tsc value for kvmclock_current_nsec calculation
Ensure proper env->tsc value for kvmclock_current_nsec calculation.
Reported-by: Marcin Gibuła <m.gibula@beyond.pl>
Analyzed-by: Marcin Gibuła <m.gibula@beyond.pl>
Cc: qemu-stable@nongnu.org
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 317b0a6d8ba44e9bf8f9c3dbd776c4536843d82c)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/i386/kvm/clock.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/i386/kvm/clock.c b/hw/i386/kvm/clock.c index 07b9c0e581..9d657662b2 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)); |