OpenCloudOS-Kernel/arch/x86/include
Thomas Gleixner 2ab516575f 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.

Reviewed-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
2012-03-15 18:17:58 -07:00
..
asm x86: vdso: Use seqcount instead of seqlock 2012-03-15 18:17:58 -07:00