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authorRalph Campbell <ralph.campbell@qlogic.com>2006-09-22 15:22:26 -0700
committerRoland Dreier <rolandd@cisco.com>2006-09-22 15:22:26 -0700
commit373d9915803aebbbf7fd3841efd9dac31c32e148 (patch)
treebd0b05d5e78eab4471bc4d623a880013693077ea /drivers/infiniband/hw/ipath/ipath_file_ops.c
parent9bc57e2d19db4da81c1150120658cc3658a99ed4 (diff)
IB/ipath: Performance improvements via mmap of queues
Improve performance of userspace post receive, post SRQ receive, and poll CQ operations for ipath by allowing userspace to directly mmap() receive queues and completion queues. This eliminates the copying between userspace and the kernel in the data path. Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_file_ops.c')
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