commit | 41f0e4d041aa30507a34998c29d0b7ac0bede277 | [log] [tgz] |
---|---|---|
author | David Daney <ddaney@caviumnetworks.com> | Tue May 12 12:41:53 2009 -0700 |
committer | Ralf Baechle <ralf@linux-mips.org> | Wed Jun 17 11:06:26 2009 +0100 |
tree | 7e84895b367ff6cfad682c6177c5ff706bb177c8 | |
parent | 95affdda9bfba0ac17025d48c622e1f30964e316 [diff] |
MIPS: Allow R2 CPUs to turn off generation of 'ehb' instructions. Some CPUs do not need ehb instructions after writing CP0 registers. By allowing ehb generation to be overridden in cpu-feature-overrides.h, we can save a few instructions in the TLB handler hot paths. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>