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(parent: ef86630) | patch
powerpc: Machine check interrupt is a non-maskable interrupt
authorNicholas Piggin <npiggin@gmail.com>
Wed, 19 Jul 2017 06:59:12 +0000 (16:59 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 31 Aug 2017 04:26:04 +0000 (14:26 +1000)
commit4f1bd7f6d6610994c514bd994d4e8b5768b80e3c
treef3ac7fc5ba4f7d47a84874998ae6987fc72ac77btree | snapshot
parentef86630a9f8d22fff222cd9a369704d27db7620ecommit | diff
powerpc: Machine check interrupt is a non-maskable interrupt

Use nmi_enter similarly to system reset interrupts. This uses NMI
printk NMI buffers and turns off various debugging facilities that
helps avoid tripping on ourselves or other CPUs.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/kernel/traps.c diff | blob | history
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