Commit bfbfc8a4 authored by Michael Ellerman's avatar Michael Ellerman

powerpc: Add kconfig option to use jump labels for cpu/mmu_has_feature()

Add a kconfig option to control whether we use jump label for the
cpu/mmu_has_feature() checks. Currently this does nothing, but we will
enabled it in the subsequent patches.
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent b92a226e
...@@ -60,6 +60,15 @@ config CODE_PATCHING_SELFTEST ...@@ -60,6 +60,15 @@ config CODE_PATCHING_SELFTEST
depends on DEBUG_KERNEL depends on DEBUG_KERNEL
default n default n
config JUMP_LABEL_FEATURE_CHECKS
bool "Enable use of jump label for cpu/mmu_has_feature()"
depends on JUMP_LABEL
default y
help
Selecting this options enables use of jump labels for some internal
feature checks. This should generate more optimal code for those
checks.
config FTR_FIXUP_SELFTEST config FTR_FIXUP_SELFTEST
bool "Run self-tests of the feature-fixup code" bool "Run self-tests of the feature-fixup code"
depends on DEBUG_KERNEL depends on DEBUG_KERNEL
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment