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Commit bfbfc8a4 authored by Michael Ellerman's avatar Michael Ellerman
Browse files

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

arch/powerpc/Kconfig.debug

+9 −0
Original line number Diff line number Diff line
@@ -60,6 +60,15 @@ config CODE_PATCHING_SELFTEST 
	depends on DEBUG_KERNEL

	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

	bool "Run self-tests of the feature-fixup code"

	depends on DEBUG_KERNEL