diff options
| author | Keir Fraser <keir.fraser@citrix.com> | 2008-07-21 09:49:40 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-07-21 09:49:40 +0100 |
| commit | 6bee9dd132b7c1a333f79e08cb2876aaad2f32de (patch) | |
| tree | 2f438d1c57e74efd22cbb1f26d6fe185d9db8193 | |
| parent | 418ce6a5310a93cb95b1bbd74ee8b56f150cdbf1 (diff) | |
| download | xen-6bee9dd132b7c1a333f79e08cb2876aaad2f32de.tar.gz xen-6bee9dd132b7c1a333f79e08cb2876aaad2f32de.tar.bz2 xen-6bee9dd132b7c1a333f79e08cb2876aaad2f32de.zip | |
Fix debug key t to avoid irq jitter.
From: Dan Magenheimer <dan.magenheimer@oracle.com>
Siigned-off-by: Keir Fraser <keir.fraser@citrix.com>
| -rw-r--r-- | xen/common/keyhandler.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/xen/common/keyhandler.c b/xen/common/keyhandler.c index 2acd17ae7b..56c59905b2 100644 --- a/xen/common/keyhandler.c +++ b/xen/common/keyhandler.c @@ -240,10 +240,12 @@ static s_time_t read_clocks_time[NR_CPUS]; static void read_clocks_slave(void *unused) { unsigned int cpu = smp_processor_id(); + local_irq_disable(); while ( !cpu_isset(cpu, read_clocks_cpumask) ) cpu_relax(); read_clocks_time[cpu] = NOW(); cpu_clear(cpu, read_clocks_cpumask); + local_irq_enable(); } static void read_clocks(unsigned char key) |