summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/Kconfig
diff options
context:
space:
mode:
authorChristophe Leroy <christophe.leroy@c-s.fr>2019-08-22 18:44:05 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2019-08-27 05:03:32 +0200
commitb4645ffc49cfe34f67feda20c34bd7a859c78312 (patch)
treef069c7f532511dcd57c6631712ea09abc7e594bf /arch/powerpc/Kconfig
parentpowerpc/64s: support nospectre_v2 cmdline option (diff)
downloadlinux-b4645ffc49cfe34f67feda20c34bd7a859c78312.tar.xz
linux-b4645ffc49cfe34f67feda20c34bd7a859c78312.zip
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 <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://github.com/linuxppc/issues/issues/171 Link: https://lore.kernel.org/r/a8b567c569aa521a7cf1beb061d43d79070e850c.1566492229.git.christophe.leroy@c-s.fr
Diffstat (limited to '')
-rw-r--r--arch/powerpc/Kconfig2
1 files changed, 1 insertions, 1 deletions
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