powerpc/64s/idle: POWER9 implement a separate idle stop function for hotplug

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Implement a new function to invoke stop, power9_offline_stop, which is
like power9_idle_stop but used by the cpu hotplug code.

Move KVM secondary state manipulation code to the offline case.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Nicholas Piggin 2017-11-18 00:08:05 +10:00 • committed by Michael Ellerman

parent d40b6768e4

commit 3d4fbffdd7

3 changed files with 20 additions and 7 deletions

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1

arch/powerpc/include/asm/processor.h

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24

arch/powerpc/kernel/idle_book3s.S

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2

arch/powerpc/platforms/powernv/idle.c

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