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authorThomas Gleixner <tglx@linutronix.de>2012-02-28 18:24:07 +0100
committerClark Williams <williams@redhat.com>2012-04-10 16:36:27 -0500
commit331a13033448600c0f560292b10fb82a27b64348 (patch)
tree63c3dbce75729afe494eaff5182c1bfa059bf885 /arch/x86/include/asm
parentd158a1cd6b34bf6fa01d866c62d17ed106464c49 (diff)
x86: vdso: 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>
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r--arch/x86/include/asm/vgtod.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h
index 815285bcaceb..1f007178c813 100644
--- a/arch/x86/include/asm/vgtod.h
+++ b/arch/x86/include/asm/vgtod.h
@@ -5,7 +5,7 @@
#include <linux/clocksource.h>
struct vsyscall_gtod_data {
- seqlock_t lock;
+ seqcount_t seq;
/* open coded 'struct timespec' */
time_t wall_time_sec;