diff options
| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2017-09-18 22:42:01 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-09-20 12:42:31 +0300 |
| commit | b46c9d717645529417ca9045cfdbf59f84922573 (patch) | |
| tree | cb98b9444c028c11bd4cc1c888d68dcb462c1e4b /scripts/stackdelta | |
| parent | 569f11c9f788959b640116b5bbd6d8a1f07326da (diff) | |
| download | linux-b46c9d717645529417ca9045cfdbf59f84922573.tar.xz | |
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: Eric Biggers <ebiggers@google.com>
Reported-by: Peter Zijlstra <peterz@infradead.org>
Tested-by: Eric Biggers <ebiggers@google.com>
Acked-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'scripts/stackdelta')
0 files changed, 0 insertions, 0 deletions