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| author | Thomas Gleixner <tglx@linutronix.de> | 2012-02-28 19:46:05 +0000 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2012-03-15 18:17:59 -0700 |
| commit | 74a622be3db2898251cb524d1edbeaea589f2723 (patch) | |
| tree | d54a6960bedd0176d7ff1f7dc3092df42d1917bd /arch/ia64/kernel/fsys.S | |
| parent | 2ab516575f2f273b19d95140d02c54612201e80a (diff) | |
| download | op-kernel-dev-74a622be3db2898251cb524d1edbeaea589f2723.zip op-kernel-dev-74a622be3db2898251cb524d1edbeaea589f2723.tar.gz | |
ia64: vsyscall: Use seqcount instead of seqlock
The update of the vdso data happens under xtime_lock, so adding a
nested lock is pointless. Just use a seqcount to sync the readers.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'arch/ia64/kernel/fsys.S')
| -rw-r--r-- | arch/ia64/kernel/fsys.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S index 331d42b..fa77de7 100644 --- a/arch/ia64/kernel/fsys.S +++ b/arch/ia64/kernel/fsys.S @@ -174,7 +174,7 @@ ENTRY(fsys_set_tid_address) FSYS_RETURN END(fsys_set_tid_address) -#if IA64_GTOD_LOCK_OFFSET !=0 +#if IA64_GTOD_SEQ_OFFSET !=0 #error fsys_gettimeofday incompatible with changes to struct fsyscall_gtod_data_t #endif #if IA64_ITC_JITTER_OFFSET !=0 |
