powerpc/64e/interrupt: always save nvgprs on interrupt

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In order to use the C interrupt return, nvgprs must always be saved.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210316104206.407354-3-npiggin@gmail.com

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Nicholas Piggin 2021-03-16 20:41:56 +10:00 • committed by Michael Ellerman

parent 5a5a893c4a

commit 4228b2c3d2

3 changed files with 4 additions and 45 deletions

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9

arch/powerpc/include/asm/ptrace.h

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13

arch/powerpc/kernel/entry_64.S

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27

arch/powerpc/kernel/exceptions-64e.S

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