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(parent: e4165a0) | patch
vmbus: replace modulus operation with subtraction
authorStephen Hemminger <stephen@networkplumber.org>
Sun, 12 Feb 2017 06:02:25 +0000 (23:02 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 14 Feb 2017 18:20:35 +0000 (10:20 -0800)
commit8d12f88257cd9039d9556585475deb46db055050
tree6e4b09719c1c7f88285fdd80ed5ea342253bf4detree | snapshot
parente4165a0fad0963bf8b4a59f54d3360ccb6a6d1eacommit | diff
vmbus: replace modulus operation with subtraction

Takes less clock cycles to check for ring wrap and subtract than to
do a modulus instruction.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/hv/ring_buffer.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git