MIPS: Remove execution hazard barriers for Octeon.
The Octeon has no execution hazards, so we can remove them and save an
instruction per TLB handler invocation.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Reviewed by: David VomLehn <dvomlehn@cisco.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
index 04ce6e6..bb291f4 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
@@ -47,6 +47,7 @@
#define cpu_has_mips32r2 0
#define cpu_has_mips64r1 0
#define cpu_has_mips64r2 1
+#define cpu_has_mips_r2_exec_hazard 0
#define cpu_has_dsp 0
#define cpu_has_mipsmt 0
#define cpu_has_userlocal 0