powerpc: add interrupt_cond_local_irq_enable helper

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Simple helper for synchronous interrupt handlers (i.e., process-context)
to enable interrupts if it was taken in an interrupts-enabled context.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-30-npiggin@gmail.com

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Nicholas Piggin 2021-01-30 23:08:39 +10:00 • committed by Michael Ellerman

parent 3a96570ffc

commit e6f8a6c86c

3 changed files with 15 additions and 20 deletions

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7

arch/powerpc/include/asm/interrupt.h

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24

arch/powerpc/kernel/traps.c

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4

arch/powerpc/mm/fault.c

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