Hi, Thorsten here, the Linux kernel's regression tracker.

James, Jarkoo, I noticed a report about a regression in
bugzilla.kernel.org that appears to be caused by this change of yours:

6519fea6fd372b ("tpm: add hmac checks to tpm2_pcr_extend()") [v6.10-rc1]

As many (most?) kernel developers don't keep an eye on the bug tracker,
I decided to forward it by mail. To quote from
https://bugzilla.kernel.org/show_bug.cgi?id=219229 :

> When secureboot is enabled,
> the kernel boot time is ~20 seconds after 6.10 kernel.
> it's ~7 seconds on 6.8 kernel version.
> 
> When secureboot is disabled,
> the boot time is ~7 seconds too.
> 
> Reproduced on both AMD and Intel platform on ThinkPad X1 and T14.
> 
> It probably caused autologin failure and micmute led not loaded on AMD 
> platform.

It was later bisected to the change mentioned above. See the ticket for
more details.

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
If I did something stupid, please tell me, as explained on that page.

[1] because bugzilla.kernel.org tells users upon registration their
"email address will never be displayed to logged out users"

P.S.: let me use this mail to also add the report to the list of tracked
regressions to ensure it's doesn't fall through the cracks:

#regzbot introduced: 6519fea6fd372b
#regzbot from: Pengyu Ma <[email protected]>
#regzbot duplicate: https://bugzilla.kernel.org/show_bug.cgi?id=219229
#regzbot title: tpm: significant delays when secureboot is enabled
#regzbot ignore-activity

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