crypto: x86/camellia - Fix RBP usage
Using RBP as a temporary register breaks frame pointer convention and breaks stack traces when unwinding from an interrupt in the crypto code. Use R12 instead of RBP. Both are callee-saved registers, so the substitution is straightforward. Reported-by: NEric Biggers <ebiggers@google.com> Reported-by: NPeter Zijlstra <peterz@infradead.org> Tested-by: NEric Biggers <ebiggers@google.com> Acked-by: NEric Biggers <ebiggers@google.com> Signed-off-by: NJosh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
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