powerpc: Fix inverted SET_FULL_REGS bitop

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This bit operation was inverted and set the low bit rather than
cleared it, breaking the ability to ptrace non-volatile GPRs after
exec. Fix.

Only affects 64e and 32-bit.

Fixes: feb9df3462 ("powerpc/64s: Always has full regs, so remove remnant checks")
Cc: stable@vger.kernel.org # v5.8+
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210308085530.3191843-1-npiggin@gmail.com

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Nicholas Piggin 2021-03-08 18:55:30 +10:00 • committed by Michael Ellerman

parent 7aed41cff3

commit 73ac798818

1 changed files with 2 additions and 2 deletions

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arch/powerpc/include/asm/ptrace.h

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