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

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Message-ID: <20191127211109.GF14290@linux.intel.com>
Date:   Wed, 27 Nov 2019 23:11:09 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Stefan Berger <stefanb@...ux.ibm.com>,
        Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org, dan.j.williams@...el.com
Subject: Re: [PATCH] tpm_tis: Move setting of TPM_CHIP_FLAG_IRQ into
 tpm_tis_probe_irq_single

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?

/Jarkko