linux-kernel - Re: [PATCH RFC 0/7] revert RNG seed mess

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Date:   Mon, 20 Feb 2023 10:48:57 +0000
From:   Daniel P. Berrangé <berrange@...hat.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>, qemu-devel@...gnu.org,
        "Jason A. Donenfeld" <Jason@...c4.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, Dov Murik <dovmurik@...ux.ibm.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Richard Henderson <richard.henderson@...aro.org>,
        "H . Peter Anvin" <hpa@...or.com>,
        Philippe Mathieu-Daudé <philmd@...aro.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        Eric Biggers <ebiggers@...nel.org>
Subject: Re: [PATCH RFC 0/7] revert RNG seed mess

On Fri, Feb 10, 2023 at 11:32:58AM +0000, Daniel P. Berrangé wrote:
> On Wed, Feb 08, 2023 at 04:12:23PM -0500, Michael S. Tsirkin wrote:
> > All attempts to fix up passing RNG seed via setup_data entry failed.
> > Let's just rip out all of it.  We'll start over.
> > 
> > 
> > Warning: all I did was git revert the relevant patches and resolve the
> > (trivial) conflicts. Not even compiled - it's almost midnight here.
> > 
> > Jason this is the kind of approach I'd like to see, not yet another
> > pointer math rich patch I need to spend time reviewing. Just get us back
> > to where we started. We can redo "x86: use typedef for SetupData struct"
> > later if we want, it's benign.
> 
> This approach looks suitable for applying to the 7.2 tree too,
> which will be good for fixing the regressions in stable.

Since no further alternative has been proposed, can you consider sending
a pull request for this series. This has been broken for too long and
many users & vendors are looking for an official fix to be applied to
master before they backport to 7.2

With regards,
Daniel
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