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| author | Sumit.Saxena@avagotech.com <Sumit.Saxena@avagotech.com> | 2014-09-12 18:57:18 +0530 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-09-16 09:14:22 -0700 |
| commit | 0756040952582c4e7c2f23ff2af882c0f0c7a516 (patch) | |
| tree | 5323de07a6b316457de0c6c453b8921eae229715 /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | 07e38d94ef3646ccee4f222ae1f3033bb37f7fa0 (diff) | |
megaraid_sas : Use writeq for 64bit pci write to avoid spinlock overhead
Resending the patch. Addressed the review comments from Tomas Henzl.
Reduce the assingment for u64 req_data variable.
Use writeq() for 64bit PCI write instead of writel() to avoid additional lock overhead.
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions