diff options
| author | Alexander Graf <agraf@suse.de> | 2012-03-13 23:31:02 +0100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2012-04-03 08:42:39 +0200 |
| commit | 592f5d87b3feee9d60411f19d583038c0c7670ad (patch) | |
| tree | dd357ccd3a4757965a9a27ab62ad8d849a4dc28b /arch/powerpc | |
| parent | KVM: PPC: Save/Restore CR over vcpu_run (diff) | |
| download | linux-592f5d87b3feee9d60411f19d583038c0c7670ad.tar.xz linux-592f5d87b3feee9d60411f19d583038c0c7670ad.zip | |
KVM: PPC: Book3S: PR: Fix preemption
We were leaking preemption counters. Fix the code to always toggle
between preempt and non-preempt properly.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kvm/book3s_pr.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index a657c44b7fbc..7759053d391b 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -777,6 +777,7 @@ program_interrupt: } } + preempt_disable(); if (!(r & RESUME_HOST)) { /* To avoid clobbering exit_reason, only check for signals if * we aren't already exiting to userspace for some other @@ -798,8 +799,6 @@ program_interrupt: run->exit_reason = KVM_EXIT_INTR; r = -EINTR; } else { - preempt_disable(); - /* In case an interrupt came in that was triggered * from userspace (like DEC), we need to check what * to inject now! */ |