Messages in this thread | | | Subject | Re: [PATCH v4 1/2] powerpc/time: Only set CONFIG_ARCH_HAS_SCALED_CPUTIME on PPC64 | From | Christophe Leroy <> | Date | Wed, 14 Aug 2019 08:31:02 +0200 |
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Hi Nick,
Le 07/06/2018 à 03:43, Nicholas Piggin a écrit : > On Wed, 6 Jun 2018 14:21:08 +0000 (UTC) > Christophe Leroy <christophe.leroy@c-s.fr> wrote: > >> scaled cputime is only meaningfull when the processor has >> SPURR and/or PURR, which means only on PPC64. >>
[...]
> > I wonder if we could make this depend on PPC_PSERIES or even > PPC_SPLPAR as well? (That would be for a later patch)
Can we go further on this ?
Do we know exactly which configuration support scaled cputime, in extenso have SPRN_SPURR and/or SPRN_PURR ?
Ref https://github.com/linuxppc/issues/issues/171
Christophe
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