Re: [PATCH v2 00/12] x86/crypto: Fix RBP usage in several crypto .S files
From: Herbert Xu
Date: Thu Sep 21 2017 - 04:06:51 EST
On Mon, Sep 18, 2017 at 02:41:59PM -0500, Josh Poimboeuf wrote:
> - fix performance issues in sha256-avx2-asm.S and sha512-avx2-asm.S
> Many of the x86 crypto functions use RBP as a temporary register. This
> breaks frame pointer convention, and breaks stack traces when unwinding
> from an interrupt in the crypto code.
> Convert most* of them to leave RBP alone.
> These pass the crypto boot tests for me. Any further testing would be
> [*] There are still a few crypto files left that need fixing, but the
> fixes weren't trivial and nobody reported unwinder warnings about
> them yet, so I'm skipping them for now.
> Josh Poimboeuf (12):
All applied. Thanks.
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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