| commit | c0f9c7e45d374ce6dc369443fa586c2fe228c345 | [log] [tgz] |
|---|---|---|
| author | Bert Kenward <bkenward@solarflare.com> | Mon Oct 26 14:23:42 2015 +0000 |
| committer | David S. Miller <davem@davemloft.net> | Tue Oct 27 19:40:33 2015 -0700 |
| tree | c085878e09c59da0678d3efde12f01597bc8eca8 | |
| parent | 080a270f5adec1ada1357eb66321e7222cc34301 [diff] |
sfc: replace spinlocks with bit ops for busy poll locking This patch reduces the overhead of locking for busy poll. Previously the state was protected by a lock, whereas now it's manipulated solely with atomic operations. Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>