linux-kernel - Re: [PATCH v3] tpm: disable hwrng for fTPM on some AMD designs

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Message-ID: <ZA0t/8Tz1Lbz25BZ@kernel.org>
Date:   Sun, 12 Mar 2023 03:42:23 +0200
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Linux regressions mailing list <regressions@...ts.linux.dev>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Peter Huewe <peterhuewe@....de>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        stable@...r.kernel.org,
        James Bottomley <James.Bottomley@...senpartnership.com>,
        reach622@...lcuk.com, Bell <1138267643@...com>,
        "Jason A . Donenfeld" <Jason@...c4.com>,
        linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mario Limonciello <mario.limonciello@....com>
Subject: Re: [PATCH v3] tpm: disable hwrng for fTPM on some AMD designs

On Sun, Mar 12, 2023 at 03:35:08AM +0200, Jarkko Sakkinen wrote:
> On Fri, Mar 10, 2023 at 06:43:47PM +0100, Thorsten Leemhuis wrote:
> > [adding Linux to the list of recipients]
> > 
> > On 08.03.23 10:42, Linux regression tracking (Thorsten Leemhuis) wrote:
> > > Hi, Thorsten here, the Linux kernel's regression tracker. Top-posting
> > > for once, to make this easily accessible to everyone.
> > > 
> > > Jarkko, thx for reviewing and picking below fix up. Are you planning to
> > > send this to Linus anytime soon, now that the patch was a few days in
> > > next? It would be good to get this 6.1 regression finally fixed, it
> > > already took way longer then the time frame
> > > Documentation/process/handling-regressions.rst outlines for a case like
> > > this. But well, that's how it is sometimes...
> > 
> > Linus, would you consider picking this fix up directly from here or from
> > linux-next (8699d5244e37)? It's been in the latter for 9 days now
> > afaics. And the issue seems to bug more than just one or two users, so
> > it IMHO would be good to get this finally resolved.
> > 
> > Jarkko didn't reply to my inquiry, guess something else keeps him busy.
> 
> That's a bit arrogant. You emailed only 4 days ago.
> 
> I'm open to do PR for rc3 with the fix, if it cannot wait to v6.4 pr.

If this is about slow response with kernel bugzilla: it is not *enforced*
part of the process. If it was, I would use it. Since it isn't, I don't
really want to add any extra weight to my workflow.

It's not only extra time but also it is not documented how exactly and in
detail you would use it. For email we have all that documented. And when
you don't have guidelines, then it is too flakky to use properly.

BR, Jarkko