From b4645ffc49cfe34f67feda20c34bd7a859c78312 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Thu, 22 Aug 2019 16:44:05 +0000 Subject: [PATCH] powerpc/64: don't select ARCH_HAS_SCALED_CPUTIME on book3E Book3E doesn't have SPRN_SPURR/SPRN_PURR. Activating ARCH_HAS_SCALED_CPUTIME is just wasting CPU time. Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman Link: https://github.com/linuxppc/issues/issues/171 Link: https://lore.kernel.org/r/a8b567c569aa521a7cf1beb061d43d79070e850c.1566492229.git.christophe.leroy@c-s.fr --- arch/powerpc/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 78f52030e76a..3d65084f4066 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -133,7 +133,7 @@ config PPC select ARCH_HAS_PTE_DEVMAP if PPC_BOOK3S_64 select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_MEMBARRIER_CALLBACKS - select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC64 + select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC_BOOK3S_64 select ARCH_HAS_STRICT_KERNEL_RWX if ((PPC_BOOK3S_64 || PPC32) && !RELOCATABLE && !HIBERNATION) select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_HAS_UACCESS_FLUSHCACHE -- 2.25.1