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SubjectRe: [PATCH 00/13] x86/crypto/asm: objtool support
On Wed, Feb 24, 2021 at 10:29:13AM -0600, Josh Poimboeuf wrote:
> Standardize the crypto asm to make it resemble compiler-generated code,
> so that objtool can understand it.
>
> This magically enables ORC unwinding from crypto code. It also fixes
> the last known remaining objtool warnings on vmlinux.o, for LTO and
> more.
>
> Josh Poimboeuf (13):
> objtool: Support asm jump tables
> x86/crypto/aesni-intel_avx: Remove unused macros
> x86/crypto/aesni-intel_avx: Fix register usage comments
> x86/crypto/aesni-intel_avx: Standardize stack alignment prologue
> x86/crypto/camellia-aesni-avx2: Unconditionally allocate stack buffer
> x86/crypto/crc32c-pcl-intel: Standardize jump table
> x86/crypto/sha_ni: Standardize stack alignment prologue
> x86/crypto/sha1_avx2: Standardize stack alignment prologue
> x86/crypto/sha256-avx2: Standardize stack alignment prologue
> x86/crypto/sha512-avx: Standardize stack alignment prologue
> x86/crypto/sha512-avx2: Standardize stack alignment prologue
> x86/crypto/sha512-ssse3: Standardize stack alignment prologue
> x86/crypto: Enable objtool in crypto code
>
> arch/x86/crypto/Makefile | 2 -
> arch/x86/crypto/aesni-intel_avx-x86_64.S | 28 +++++--------
> arch/x86/crypto/camellia-aesni-avx2-asm_64.S | 5 +--
> arch/x86/crypto/crc32c-pcl-intel-asm_64.S | 7 +---
> arch/x86/crypto/sha1_avx2_x86_64_asm.S | 8 ++--
> arch/x86/crypto/sha1_ni_asm.S | 8 ++--
> arch/x86/crypto/sha256-avx2-asm.S | 13 +++---
> arch/x86/crypto/sha512-avx-asm.S | 41 +++++++++----------
> arch/x86/crypto/sha512-avx2-asm.S | 42 ++++++++++----------
> arch/x86/crypto/sha512-ssse3-asm.S | 41 +++++++++----------
> tools/objtool/check.c | 14 ++++++-
> 11 files changed, 98 insertions(+), 111 deletions(-)

Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

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