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| author | K. Y. Srinivasan <kys@microsoft.com> | 2014-04-08 18:45:53 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-03 19:24:26 -0400 |
| commit | d3ba720dd58cdf6630fee4b89482c465d5ad0d0f (patch) | |
| tree | 03ea0aba6f0509bf7c501dee9ae6e931634f3c4b /drivers/dma/s3c24xx-dma.c | |
| parent | e4d8270e604c3202131bac607969605ac397b893 (diff) | |
| download | op-kernel-dev-d3ba720dd58cdf6630fee4b89482c465d5ad0d0f.zip op-kernel-dev-d3ba720dd58cdf6630fee4b89482c465d5ad0d0f.tar.gz | |
Drivers: hv: Eliminate the channel spinlock in the callback path
By ensuring that we set the callback handler to NULL in the channel close
path on the same CPU that the channel is bound to, we can eliminate this lock
acquisition and release in a performance critical path.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/dma/s3c24xx-dma.c')
0 files changed, 0 insertions, 0 deletions
