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4894710951
The current code locks the QP s_lock, followed by the pending_lock, I guess to to protect against the allocate failing. This patch only locks the pending_lock, assuming that the empty case is an exeception, in which case the pending_lock is dropped, and the original code is executed. This will save a lock of s_lock in the normal case. The observation is that the sdma descriptors will deplete at twice the rate of txreq's, so this should be rare. Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com> |
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| amso1100 | ||
| cxgb3 | ||
| cxgb4 | ||
| ehca | ||
| ipath | ||
| mlx4 | ||
| mthca | ||
| nes | ||
| qib | ||