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authorLior Amsalem <alior@marvell.com>2015-05-26 15:07:36 +0200
committerVinod Koul <vinod.koul@intel.com>2015-06-10 22:18:31 +0530
commitfbea28a2afb4251f985af52eb0180f097acaee16 (patch)
treef8f88b492c57092e095878d3d59bfbfabecc1fcc /drivers/message/fusion
parentf1d25e0a9b1a6519580ddf5a7e5538093a504fcd (diff)
downloadblackbird-op-linux-fbea28a2afb4251f985af52eb0180f097acaee16.tar.gz
blackbird-op-linux-fbea28a2afb4251f985af52eb0180f097acaee16.zip
dmaengine: mv_xor: improve descriptors list handling and reduce locking
This patch change the way free descriptors are marked. Instead of having a field for descriptor in use, all the descriptors in the all_slots list are free for use. This simplify the allocation method and reduce the locking needed. Signed-off-by: Lior Amsalem <alior@marvell.com> Reviewed-by: Ofer Heifetz <oferh@marvell.com> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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