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| author |   Christophe Leroy <christophe.leroy@c-s.fr> | 2019-08-22 16:44:05 +0000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2019-08-27 13:03:32 +1000 |
| commit | b4645ffc49cfe34f67feda20c34bd7a859c78312 (patch) | |
| tree | f069c7f532511dcd57c6631712ea09abc7e594bf /arch/powerpc/Kconfig | |
| parent | powerpc/64s: support nospectre_v2 cmdline option (diff) | |
| download | linux-dev-b4645ffc49cfe34f67feda20c34bd7a859c78312.tar.xz linux-dev-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 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 2 |
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 |