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| author | Nicholas Piggin <npiggin@gmail.com> | 2021-03-08 18:55:30 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-03-10 07:59:30 +1100 |
| commit | 73ac79881804eed2e9d76ecdd1018037f8510cb1 (patch) | |
| tree | cf62b6ecde02b1ad6b763f35b11d0fa59eadf853 /arch/powerpc/kernel/exceptions-64s.S | |
| parent | 7aed41cff35a9aaf3431b8c0c23daa7d8bb77cd3 (diff) | |
powerpc: Fix inverted SET_FULL_REGS bitop
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: feb9df3462e6 ("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
Diffstat (limited to 'arch/powerpc/kernel/exceptions-64s.S')
0 files changed, 0 insertions, 0 deletions