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Author	SHA1	Message	Date
Thomas Gleixner	74a622be3d	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>	2012-03-15 18:17:59 -07:00
Hidetoshi Seto	acffc84ad9	[IA64] generalize attribute of fsyscall_gtod_data In an ordinary way, > } __attribute__ ((aligned (L1_CACHE_BYTES))); should be > } ____cacheline_aligned; to save some bytes on an uni-processor. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>	2008-02-04 15:36:36 -08:00
Tony Luck	0aa366f351	[IA64] Convert to generic timekeeping/clocksource This is a merge of Peter Keilty's initial patch (which was revived by Bob Picco) for this with Hidetoshi Seto's fixes and scaling improvements. Acked-by: Bob Picco <bob.picco@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>	2007-07-20 11:22:30 -07:00

Author

SHA1

Message

Date

Thomas Gleixner

74a622be3d

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>

2012-03-15 18:17:59 -07:00

Hidetoshi Seto

acffc84ad9

[IA64] generalize attribute of fsyscall_gtod_data

In an ordinary way,

> } __attribute__ ((aligned (L1_CACHE_BYTES)));

should be

> } ____cacheline_aligned;

to save some bytes on an uni-processor.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

2008-02-04 15:36:36 -08:00

Tony Luck

0aa366f351

[IA64] Convert to generic timekeeping/clocksource

This is a merge of Peter Keilty's initial patch (which was
revived by Bob Picco) for this with Hidetoshi Seto's fixes
and scaling improvements.

Acked-by: Bob Picco <bob.picco@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

2007-07-20 11:22:30 -07:00

3 Commits