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Message-ID: <6e61385de6044932aabfc407ed8bc368f7e9631f.camel@kernel.org>
Date: Thu, 27 Apr 2023 14:12:47 +0300
From: Jarkko Sakkinen <jarkko@...nel.org>
To: Pengfei Xu <pengfei.xu@...el.com>
Cc: linux-integrity@...r.kernel.org, Peter Huewe <peterhuewe@....de>,
Jason Gunthorpe <jgg@...pe.ca>,
Lino Sanfilippo <l.sanfilippo@...bus.com>,
linux-kernel@...r.kernel.org, heng.su@...el.com
Subject: Re: [PATCH] tpm: Re-enable TPM chip boostrapping non-tpm_tis TPM
drivers
On Thu, 2023-04-27 at 13:52 +0300, Jarkko Sakkinen wrote:
> On Thu, 2023-04-27 at 09:58 +0800, Pengfei Xu wrote:
> > On 2023-04-26 at 21:58:33 +0300, Jarkko Sakkinen wrote:
> > > TPM chip bootstrapping was removed from tpm_chip_register(), and it
> > > was relocated to tpm_tis_core. This breaks all drivers which are not
> > > based on tpm_tis because the chip will not get properly initialized.
> > >
> > > Take the corrective steps:
> > > 1. Rename tpm_chip_startup() as tpm_chip_bootstrap() and make it one-shot.
> > > 2. Call tpm_chip_bootstrap() in tpm_chip_register(), which reverts the
> > > things as tehy used to be.
> > ^ two space and one typo "they"
> > Thanks for your fixed patch in short time!
> >
> > And I tested this patch, it could not be reproduced in 155s, and the patch
> > fixed this issue.
> > Fixed dmesg is in attached.
> >
> > Tested-by: Pengfei Xu <pengfei.xu@...el.com>
>
> Thanks a lot! I'll take immediate action to send PR to Linus.
>
> Lino: no worries. It was expected that such a large refactorization
> could break a thing or two. You did a good job in any case.
Done: https://lkml.org/lkml/2023/4/27/297
BR, Jarkko
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