diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2012-02-28 20:46:05 +0100 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2012-03-16 02:17:59 +0100 |
| commit | 74a622be3db2898251cb524d1edbeaea589f2723 (patch) | |
| tree | d54a6960bedd0176d7ff1f7dc3092df42d1917bd /arch/ia64/kernel/asm-offsets.c | |
| parent | x86: vdso: Use seqcount instead of seqlock (diff) | |
| download | linux-74a622be3db2898251cb524d1edbeaea589f2723.tar.xz linux-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/asm-offsets.c')
| -rw-r--r-- | arch/ia64/kernel/asm-offsets.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c index af5650169043..106aeb670e54 100644 --- a/arch/ia64/kernel/asm-offsets.c +++ b/arch/ia64/kernel/asm-offsets.c @@ -269,8 +269,8 @@ void foo(void) BLANK(); /* used by fsys_gettimeofday in arch/ia64/kernel/fsys.S */ - DEFINE(IA64_GTOD_LOCK_OFFSET, - offsetof (struct fsyscall_gtod_data_t, lock)); + DEFINE(IA64_GTOD_SEQ_OFFSET, + offsetof (struct fsyscall_gtod_data_t, seq); DEFINE(IA64_GTOD_WALL_TIME_OFFSET, offsetof (struct fsyscall_gtod_data_t, wall_time)); DEFINE(IA64_GTOD_MONO_TIME_OFFSET, |