| commit | ca4523cda429712fc135c5db50920d90eb776a6c | [log] [tgz] |
|---|---|---|
| author | Thomas Gleixner <tglx@linutronix.de> | Thu Feb 21 22:51:40 2013 +0000 |
| committer | John Stultz <john.stultz@linaro.org> | Thu Apr 04 13:18:32 2013 -0700 |
| tree | 6a8c260a24bcd5a188d25790984d0aa5a3fb3428 | |
| parent | 48cdc135d4840aab8efd2fc3bacb5d7dfd94a9c8 [diff] |
timekeeping: Shorten seq_count region Shorten the seqcount write hold region to the actual update of the timekeeper and the related data (e.g vsyscall). On a contemporary x86 system this reduces the maximum latencies on Preempt-RT from 8us to 4us on the non-timekeeping cores. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>