Messages in this thread | | | Date | Wed, 9 Aug 2023 15:49:41 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 5/7] arm64: Select ARCH_HAS_CPU_RELAX |
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On Wed, Aug 09, 2023 at 02:39:39PM +0300, Mihai Carabas wrote: > From: Joao Martins <joao.m.martins@oracle.com> > > 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@oracle.com> > Signed-off-by: Mihai Carabas <mihai.carabas@oracle.com> > --- > 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
Uh what ?! cpu_relax() is assumed present on all archs, no?
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