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| author | Marcelo Tosatti | 2014-09-05 15:52:47 +0200 |
|---|---|---|
| committer | Paolo Bonzini | 2014-09-16 11:11:24 +0200 |
| commit | 317b0a6d8ba44e9bf8f9c3dbd776c4536843d82c (patch) | |
| tree | 72b72b3800ab1bedb1f2113ab2ba46a0dd4995c8 /hw/i386 | |
| parent | Introduce cpu_clean_all_dirty (diff) | |
| download | qemu-317b0a6d8ba44e9bf8f9c3dbd776c4536843d82c.tar.gz qemu-317b0a6d8ba44e9bf8f9c3dbd776c4536843d82c.tar.xz qemu-317b0a6d8ba44e9bf8f9c3dbd776c4536843d82c.zip | |
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>
Diffstat (limited to 'hw/i386')
| -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)); |