linux-kernel - Re: [PATCH] tpm_tis: Move setting of TPM_CHIP_FLAG_IRQ into tpm_tis_probe_irq

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Date:   Wed, 27 Nov 2019 17:14:04 -0700
From:   Jerry Snitselaar <jsnitsel@...hat.com>
To:     Dan Williams <dan.j.williams@...el.com>
Cc:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Stefan Berger <stefanb@...ux.ibm.com>,
        Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        linux-integrity@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH] tpm_tis: Move setting of TPM_CHIP_FLAG_IRQ into
 tpm_tis_probe_irq_single

On Wed Nov 27 19, Dan Williams wrote:
>[ add Jerry ]
>
>On Wed, Nov 27, 2019 at 1:11 PM Jarkko Sakkinen
><jarkko.sakkinen@...ux.intel.com> wrote:
>>
>> On Thu, Nov 21, 2019 at 11:49:49AM -0700, Jerry Snitselaar wrote:
>> > On Sat Nov 16 19, Stefan Berger wrote:
>> > > On 11/14/19 11:44 AM, Jarkko Sakkinen wrote:
>> > > > On Thu, Nov 14, 2019 at 06:41:51PM +0200, Jarkko Sakkinen wrote:
>> > > > > On Tue, Nov 12, 2019 at 03:27:25PM -0500, Stefan Berger wrote:
>> > > > > > From: Stefan Berger <stefanb@...ux.ibm.com>
>> > > > > >
>> > > > > > Move the setting of the TPM_CHIP_FLAG_IRQ for irq probing into
>> > > > > > tpm_tis_probe_irq_single before calling tpm_tis_gen_interrupt.
>> > > > > > This move handles error conditions better that may arise if anything
>> > > > > > before fails in tpm_tis_probe_irq_single.
>> > > > > >
>> > > > > > Signed-off-by: Stefan Berger <stefanb@...ux.ibm.com>
>> > > > > > Suggested-by: Jerry Snitselaar <jsnitsel@...hat.com>
>> > > > > What about just changing the condition?
>> > > > Also cannot take this since it is not a bug (no fixes tag).
>> > >
>> > > I'll repost but will wait until Jerry has tested it on that machine.
>> > >
>> > >    Stefan
>> > >
>> > >
>> > > >
>> > > > /Jarkko
>> > >
>> > >
>> >
>> > It appears they still have the problem. I'm still waiting on logistics
>> > to send me a system to debug.
>>
>> Which hardware is guaranteed to ignite this? I can try to get test hw
>> for this from somewhere. Kind of looking into this blinded ATM. Dan?
>
>Jerry had mentioned that this was also occurring on T490s. Otherwise
>I'll ping you offline about the system I saw this on internally.
>

I've been trying for about 3 weeks now to get one of the laptops from
logistics here, but unfortunately they have been silent. Pinged one
of their email addresses today to see if they could respond to the
ticket, so hopefully next week I will have something.