diff options
| author | David S. Miller <davem@davemloft.net> | 2008-11-21 00:44:00 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-21 00:44:00 (GMT) |
| commit | 6ab33d51713d6d60c7677c0d020910a8cb37e513 (patch) | |
| tree | 546c2ff099b2757e75cf34ddace874f1220f740e /arch/x86/kernel/tsc_sync.c | |
| parent | 7be6065b39c3f1cfa796667eac1a2170465acc91 (diff) | |
| parent | 13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff) | |
| download | linux-fsl-qoriq-6ab33d51713d6d60c7677c0d020910a8cb37e513.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/ixgbe/ixgbe_main.c
include/net/mac80211.h
net/phonet/af_phonet.c
Diffstat (limited to 'arch/x86/kernel/tsc_sync.c')
| -rw-r--r-- | arch/x86/kernel/tsc_sync.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c index 9ffb01c..1c0dfbc 100644 --- a/arch/x86/kernel/tsc_sync.c +++ b/arch/x86/kernel/tsc_sync.c @@ -46,7 +46,9 @@ static __cpuinit void check_tsc_warp(void) cycles_t start, now, prev, end; int i; + rdtsc_barrier(); start = get_cycles(); + rdtsc_barrier(); /* * The measurement runs for 20 msecs: */ @@ -61,7 +63,9 @@ static __cpuinit void check_tsc_warp(void) */ __raw_spin_lock(&sync_lock); prev = last_tsc; + rdtsc_barrier(); now = get_cycles(); + rdtsc_barrier(); last_tsc = now; __raw_spin_unlock(&sync_lock); |