tree 7e84895b367ff6cfad682c6177c5ff706bb177c8
parent 95affdda9bfba0ac17025d48c622e1f30964e316
author David Daney <ddaney@caviumnetworks.com> 1242157313 -0700
committer Ralf Baechle <ralf@linux-mips.org> 1245233186 +0100

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>