[PATCH 5/7] arm64: Select ARCH_HAS_CPU_RELAX

[Mihai Carabas]

From: Joao Martins <joao.m.martins@xxxxxxxxxx>

cpu_relax() is necessary to allow cpuidle poll-state to be used,
so select it from ARM64 kconfig.

Signed-off-by: Joao Martins <joao.m.martins@xxxxxxxxxx>
Signed-off-by: Mihai Carabas <mihai.carabas@xxxxxxxxxx>
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 87ade6549790..7c47617b5722 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -105,6 +105,7 @@ config ARM64
 	select ARCH_WANT_LD_ORPHAN_WARN
 	select ARCH_WANTS_NO_INSTR
 	select ARCH_WANTS_THP_SWAP if ARM64_4K_PAGES
+	select ARCH_HAS_CPU_RELAX
 	select ARCH_HAS_UBSAN_SANITIZE_ALL
 	select ARM_AMBA
 	select ARM_ARCH_TIMER
-- 
1.8.3.1