powerpc/powernv: Simplify lazy IRQ handling in CPU offline

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Rather than concern ourselves with any soft-mask logic in the CPU
hotplug handler, just hard disable interrupts. This ensures there
are no lazy-irqs pending, which means we can call directly to idle
instruction in order to sleep.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Nicholas Piggin 2017-06-13 23:05:46 +10:00 • committed by Michael Ellerman

parent 2201f994a5

commit 2525db04d1

2 changed files with 29 additions and 23 deletions

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23

arch/powerpc/platforms/powernv/idle.c

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29

arch/powerpc/platforms/powernv/smp.c

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