]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: b5db560) | patch
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)
commitfec920f64f9825b551a7a78e2786341308ddfc75
tree488fd7bff5f3edf1eafec2434ff6b3564cb1202ctree | snapshot
parentb5db560357dff96738200ff1934513ce88cf7e20commit | diff
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 diff | blob | history
drivers/infiniband/hw/hfi1/pio.h diff | blob | history
Linux Kernel Source Tree.