linux-kernel - Re: [GIT PULL] cifs fixes

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Date:   Fri, 12 Feb 2021 17:28:37 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Stefan Metzmacher <metze@...ba.org>
Cc:     Steve French <smfrench@...il.com>,
        Björn JACKE <bjacke@...ba.org>,
        CIFS <linux-cifs@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] cifs fixes

On Fri, Feb 12, 2021 at 5:08 PM Stefan Metzmacher <metze@...ba.org> wrote:
>
> > Zen 2 seems to have fixed things (knock wood - it's certainly working
> > for me), But many people obviously never saw any issues with Zen 1
> > either.
>
> Do you know about the Zen3 status, I was thinking to replace the system
> by this one with AMD Ryzen 9 5950X:

I have heard nothing but good things about Zen3 so far (apart from
apparently people complaining about availability), but it's only been
out a few months, so obviously coverage is somewhat limited.

I wish AMD hadn't decimated their Linux team (several years ago), and
they definitely had some embarrassing issues early on with Zen (apart
from the Zen 1 stability issues, they've screwed up rdrand at least
three times, iirc). But I've yet to hear of any Zen 3 issues, and I
suspect I'll upgrade when Threadripper comes out (I've become quite
spoiled by the build speeds of my Threadripper 3970X - the only thing
I miss is the better 'perf' support from Intel PEBS).

Note that I'm not necessarily the person who would hear about any
issues first, though, so take the above with a pinch of salt.

       Linus