diff options
| 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 | x86: vdso: Use seqcount instead of seqlock (diff) | |
| download | linux-dev-74a622be3db2898251cb524d1edbeaea589f2723.tar.xz linux-dev-74a622be3db2898251cb524d1edbeaea589f2723.zip | |
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 331d42bda77a..fa77de7032b3 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 |