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Message-ID: <ac5b76af-87dc-b04d-6035-8eda8ba5ed12@kunbus.com>
Date:   Wed, 7 Jun 2023 17:47:57 +0200
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Subject: Re: New kernel warning after updating from LTS 5.15.110 to 5.15.112
 (and 5.15.113)
Content-Language: en-US
To:     Greg KH <greg@kroah.com>, Bagas Sanjaya <bagasdotme@gmail.com>
Cc:     Chris Packham <Chris.Packham@alliedtelesis.co.nz>,
        Jarkko Sakkinen <jarkko@kernel.org>,
        Sasha Levin <sashal@kernel.org>,
        Peter Huewe <peterhuewe@gmx.de>,
        Jason Gunthorpe <jgg@ziepe.ca>,
        Linux Kernel Integrity <linux-integrity@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Regressions <regressions@lists.linux.dev>,
        stable@vger.kernel.org
References: <fe6f7aa0-56c2-3729-ce8c-0f2d943b33f4@alliedtelesis.co.nz>
 <ZHQIFLWvrWUNMVxb@debian.me>
 <6e470461-1a9b-ec51-bac5-f2beb1dc11c9@alliedtelesis.co.nz>
 <2b09d2ed-0852-bbc9-b792-aad92235c7fa@gmail.com>
 <03daca5c-e468-8889-4dc2-e625a664d571@alliedtelesis.co.nz>
 <ec5245bd-3103-f0c7-d3ef-85aabb4d4712@alliedtelesis.co.nz>
 <ZH6TIjXeXJVMvSKa@debian.me> <2023060606-unlatch-yiddish-a45f@gregkh>
From:   Lino Sanfilippo <l.sanfilippo@kunbus.com>
In-Reply-To: <2023060606-unlatch-yiddish-a45f@gregkh>
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Hi Greg,

On 06.06.23 08:45, Greg KH wrote:
>>
>> Lino, it looks like this regression is caused by (backported) commit of yours.
>> Would you like to take a look on it?
>>
>> Anyway, telling regzbot:
>>
>> #regzbot introduced: 51162b05a44cb5
> 
> There's some tpm backports to 5.15.y that were suspect and I'll look
> into reverting them and see if this was one of the ones that was on that
> list.  Give me a few days...
> 

Could you please consider to apply (mainline) commit 0c7e66e5fd69 ("tpm, tpm_tis: Request threaded
interrupt handler") to 5.15.y?

As Chris confirmed it fixes the regression caused by 51162b05a44cb5 ("tpm, tpm_tis: Claim locality
before writing interrupt registers").

Commit 0c7e66e5fd69 is also needed for 5.10.y, 6.1.y and 6.3.y.

Best regards,
Lino