[Pkg-openssl-devel] Bug#861145: Bug#861145: openssl: SHA Extension routine is not called on new AMD cpu "Ryzen".

Sebastian Andrzej Siewior sebastian at breakpoint.cc
Wed May 3 19:51:50 UTC 2017


control: tags -1 fixed-upstream
control: forwarded -1 https://github.com/openssl/openssl/issues/2848

On 2017-04-24 22:29:17 [-0400], Eric Desrochers wrote:
> AMD added support in their processors for SHA Extensions[1] (CPU flag: sha_ni[2]) starting with Ryzen[3] CPU. 
> Note that Ryzen CPU come in 64bit only. Current OpenSSL version in Ryzens still calls SHA for SSSE3 routine as result a number of extensions were effectively masked on Ryzen and shows no improvement.

This is fixed in the 1.1.0 and 1.0.2 branch. I will not cherry-pick it
and push it to unstable/testing prior the release. It has to wait until
the next upstream release.

Sebastian



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