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authorJiang Liu2014-01-07 22:17:13 +0800
committerCatalin Marinas2014-01-08 15:23:53 +0000
commit9732cafd9dc0206479be919baf0067239f0a63ca (patch)
treec8878035ac9cb6dce592957f12dc1723a583989d /arch/arm64/Kconfig
parentf3c003f72dfb2497056bcbb864885837a1968ed5 (diff)
arm64, jump label: optimize jump label implementation
Optimize jump label implementation for ARM64 by dynamically patching kernel text. Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Jiang Liu <liuj97@gmail.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/Kconfig')
-rw-r--r--arch/arm64/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 249acb9da4e3..dd4327f09ba4 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -25,6 +25,7 @@ config ARM64
select GENERIC_STRNLEN_USER
select GENERIC_TIME_VSYSCALL
select HARDIRQS_SW_RESEND
+ select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_TRACEHOOK
select HAVE_DEBUG_BUGVERBOSE
select HAVE_DEBUG_KMEMLEAK