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powerpc/64: don't select ARCH_HAS_SCALED_CPUTIME on book3E
authorChristophe Leroy <christophe.leroy@c-s.fr>
Thu, 22 Aug 2019 16:44:05 +0000 (16:44 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 27 Aug 2019 03:03:32 +0000 (13:03 +1000)
commitb4645ffc49cfe34f67feda20c34bd7a859c78312
treef069c7f532511dcd57c6631712ea09abc7e594bftree | snapshot
parentd8f0e0b073e1ec52a05f0c2a56318b47387d2f10commit | diff
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
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Linux 6.x block layer and io_uring tree(s)