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/openbmc/linux/arch/x86/include/asm/ |
H A D | vgtod.h | 2ab51657 Tue Feb 28 13:46:04 CST 2012 Thomas Gleixner <tglx@linutronix.de> 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> 2ab51657 Tue Feb 28 13:46:04 CST 2012 Thomas Gleixner <tglx@linutronix.de> 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>
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