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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-09-13 02:22:31 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-09-13 02:22:31 +0200 |
| commit | d9543314ee4b6b276af539cc9fc12c614816c74a (patch) | |
| tree | abca53769b43d4e5df2e44cd14f4f6d7b26c2181 | |
| parent | Linux 3.1-rc6 (diff) | |
| parent | xen: use non-tracing preempt in xen_clocksource_read() (diff) | |
| download | linux-d9543314ee4b6b276af539cc9fc12c614816c74a.tar.xz linux-d9543314ee4b6b276af539cc9fc12c614816c74a.zip | |
Merge branch 'upstream/bugfix' of git://github.com/jsgf/linux-xen
* 'upstream/bugfix' of git://github.com/jsgf/linux-xen:
xen: use non-tracing preempt in xen_clocksource_read()
| -rw-r--r-- | arch/x86/xen/time.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index 5158c505bef9..163b4679556e 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -168,9 +168,10 @@ cycle_t xen_clocksource_read(void) struct pvclock_vcpu_time_info *src; cycle_t ret; - src = &get_cpu_var(xen_vcpu)->time; + preempt_disable_notrace(); + src = &__get_cpu_var(xen_vcpu)->time; ret = pvclock_clocksource_read(src); - put_cpu_var(xen_vcpu); + preempt_enable_notrace(); return ret; } |