Re: [PATCH] arm: fix inline asm in load_unaligned_zeropad()

On Thu, Apr 01, 2021 at 09:55:43AM -0700, Peter Collingbourne wrote:

The inline asm's addr operand is marked as input-only, however in the case where an exception is taken it may be modified by the BIC instruction on the exception path. Fix the problem by using a temporary register as the destination register for the BIC instruction.

Signed-off-by: Peter Collingbourne pcc@google.com Cc: stable@vger.kernel.org Link: https://linux-review.googlesource.com/id/I0f9ad1682821f874fb9b47e1279721943b...

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arch/arm/include/asm/word-at-a-time.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)

Acked-by: Will Deacon will@kernel.org

Please can you put this into Russell's patch system?

Thanks,

Will