diff options
| author | Milton Miller <miltonm@bga.com> | 2010-01-18 13:00:51 +1100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-01-18 09:02:59 +0100 |
| commit | e03bcb68629c7f0728c95f1afe06ce48565c7713 (patch) | |
| tree | 3fdede3a2cefaedf1f5838e83c893a7564e548c9 /drivers/scsi/scsi.c | |
| parent | 6ccf80eb15ccaca4d3f1ab5162b9ded5eecd9971 (diff) | |
generic-ipi: Optimize accesses by using DEFINE_PER_CPU_SHARED_ALIGNED for IPI data
The smp ipi data is passed around and given write access by
other cpus and should be separated from per-cpu data consumed by
this cpu.
Looking for hot lines, I saw call_function_data shared with
tick_cpu_sched.
Signed-off-by: Milton Miller <miltonm@bga.com>
Acked-by: Anton Blanchard <anton@samba.org>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: : Nick Piggin <npiggin@suse.de>
LKML-Reference: <20100118020051.GR12666@kryten>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/scsi/scsi.c')
0 files changed, 0 insertions, 0 deletions