Commit-ID: 32683a394b93723365e98edc1788cd8f4226d57e
Gitweb: http://git.kernel.org/tip/32683a394b93723365e98edc1788cd8f4226d57e
Author: Sasha Levin <levinsasha928@xxxxxxxxx>
AuthorDate: Thu, 2 Aug 2012 16:29:23 +0200
Committer: Pekka Enberg <penberg@xxxxxxxxxx>
CommitDate: Sat, 4 Aug 2012 12:05:40 +0300
kvm tools: prevent guest softlockup errors when pausing
Use the new KVM_KVMCLOCK_CTRL ioctl to prevent guests from wrongfully
detecting lockups when in fact they were paused.
Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx>
---
tools/kvm/builtin-run.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/tools/kvm/builtin-run.c b/tools/kvm/builtin-run.c
index 9525341..a36bd00 100644
--- a/tools/kvm/builtin-run.c
+++ b/tools/kvm/builtin-run.c
@@ -531,6 +531,7 @@ static void handle_pause(int fd, u32 type, u32 len, u8 *msg)
kvm__continue();
} else if (type == KVM_IPC_PAUSE && !is_paused) {
kvm->vm_state = KVM_VMSTATE_PAUSED;
+ ioctl(kvm->vm_fd, KVM_KVMCLOCK_CTRL);
kvm__pause();
} else {
return;
--
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