]> git.baikalelectronics.ru Git - kernel.git/commit
IB/hfi1: Get rid of divide in pio buffer allocator
authorSebastian Sanchez <sebastian.sanchez@intel.com>
Tue, 25 Oct 2016 20:12:28 +0000 (13:12 -0700)
committerDoug Ledford <dledford@redhat.com>
Tue, 15 Nov 2016 21:37:27 +0000 (16:37 -0500)
commitf749f4e558adbff9723973e83d31f0db954adc66
tree488fd7bff5f3edf1eafec2434ff6b3564cb1202c
parentb26073abc404d81bc46c6d3a32681b66938cbca6
IB/hfi1: Get rid of divide in pio buffer allocator

The div instruction shows costly in profiles.

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Sebastian Sanchez <sebastian.sanchez@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/hw/hfi1/pio.c
drivers/infiniband/hw/hfi1/pio.h