linux-kernel - Re: [GIT PULL] tpmdd updates for v5.12-rc1

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Date:   Sat, 30 Jan 2021 19:15:10 +0200
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        James Bottomley <James.Bottomley@...senpartnership.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-integrity <linux-integrity@...r.kernel.org>,
        James Morris James Morris <jmorris@...ei.org>,
        David Howells <dhowells@...hat.com>,
        Peter Huewe <peterhuewe@....de>
Subject: Re: [GIT PULL] tpmdd updates for v5.12-rc1

On Thu, Jan 28, 2021 at 07:38:21PM -0800, Linus Torvalds wrote:
> On Thu, Jan 28, 2021 at 4:54 PM Jarkko Sakkinen <jarkko@...nel.org> wrote:
> >
> > This contains bug fixes for tpm_tis driver, which had a racy wait for
> > hardware state change to be ready to send a command to the TPM chip. The
> > bug has existed already since 2006, but has only made itself known in
> > recent past.
> 
> Hmm. Is this for the next merge window? The subject line implies that,
> as does the addition of the cr50 driver.
> 
> But the commentary about fixes implies that at least part of it should
> be in 5.11?

This was meant for 5.12 but the timing was *way* too early. I'll take this
one back. Just to unambiguity reasons I'll use tpmdd-next-v5.12-rc1-v2 tag
for my final v5.12 PR, once I send it.

I considered a bit, and I really think that it would make a lot of sense
to do a late 5.11 just containing the two commits from James, namely:

1. tpm_tis: Fix check_locality for correct locality acquisition
2. tpm_tis: Clean up locality release 

James: Does this make sense to you? 

>             Linus

/Jarkko