x86/crypto/sha_ni: Standardize stack alignment prologue
authorJosh Poimboeuf <jpoimboe@redhat.com>
Wed, 24 Feb 2021 16:29:20 +0000 (10:29 -0600)
committerJosh Poimboeuf <jpoimboe@redhat.com>
Mon, 19 Apr 2021 17:36:35 +0000 (12:36 -0500)
commit35a0067d2c02a7c35466db5f207b7b9265de84d9
tree5bf28a4a40596c6fa434020e9f832a291d133395
parent2b02ed55482a1c5c310a7f53707292fcf1601e7a
x86/crypto/sha_ni: Standardize stack alignment prologue

Use a more standard prologue for saving the stack pointer before
realigning the stack.

This enables ORC unwinding by allowing objtool to understand the stack
realignment.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Link: https://lore.kernel.org/r/5033e1a79867dff1b18e1b4d0783c38897d3f223.1614182415.git.jpoimboe@redhat.com
arch/x86/crypto/sha1_ni_asm.S