Messages in this thread Patch in this message | | | From | Christophe Leroy <> | Subject | [PATCH] powerpc/64: don't select ARCH_HAS_SCALED_CPUTIME on book3E | Date | Thu, 22 Aug 2019 16:44:05 +0000 (UTC) |
| |
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> Link: https://github.com/linuxppc/issues/issues/171 --- arch/powerpc/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 0c322abb1495..6137f5e3bb2d 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -132,7 +132,7 @@ 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 -- 2.13.3
| |