From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Stefan Berger <stefanb@linux.ibm.com>,
Stefan Berger <stefanb@linux.vnet.ibm.com>,
linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org, linux-security-module@vger.kernel.org
Subject: Re: [PATCH 0/2] Revert patches fixing probing of interrupts
Date: Wed, 11 Dec 2019 13:22:54 +0200 [thread overview]
Message-ID: <20191211112254.GC16450@linux.intel.com> (raw)
In-Reply-To: <20191209215535.pw6ewyetskaet2o6@cantor>
On Mon, Dec 09, 2019 at 02:55:35PM -0700, Jerry Snitselaar wrote:
> On Mon Dec 09 19, Jarkko Sakkinen wrote:
> > On Mon, Dec 02, 2019 at 11:55:20AM -0700, Jerry Snitselaar wrote:
> > > On Sun Dec 01 19, Stefan Berger wrote:
> > > > On 11/29/19 5:37 PM, Jarkko Sakkinen wrote:
> > > > > On Tue, Nov 26, 2019 at 08:17:51AM -0500, Stefan Berger wrote:
> > > > > > From: Stefan Berger <stefanb@linux.ibm.com>
> > > > > >
> > > > > > Revert the patches that were fixing the probing of interrupts due
> > > > > > to reports of interrupt stroms on some systems
> > > > > Can you explain how reverting is going to fix the issue?
> > > >
> > > >
> > > > The reverts fix 'the interrupt storm issue' that they are causing on
> > > > some systems but don't fix the issue with the interrupt mode not being
> > > > used. I was hoping Jerry would get access to a system faster but this
> > > > didn't seem to be the case. So sending these patches seemed the better
> > > > solution than leaving 5.4.x with the problem but going back to when it
> > > > worked 'better.'
> > > >
> > >
> > > I finally heard back from IT support, and unfortunately they don't
> > > have any T490s systems to give out on temp loan. So I can only send
> > > patched kernels to the end user that had the problem.
> >
> > At least it is a fact that tpm_chip_stop() is called too early and that
> > is destined to cause issues.
> >
> > Should I bake a patch or do you have already something?
> >
> > /Jarkko
> >
>
> This is what I'm currently building:
With a quick skim looks what I had in mind.
/Jarkko
prev parent reply other threads:[~2019-12-11 11:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-26 13:17 [PATCH 0/2] Revert patches fixing probing of interrupts Stefan Berger
2019-11-26 13:17 ` [PATCH 1/2] tpm: Revert "tpm_tis_core: Set TPM_CHIP_FLAG_IRQ before probing for interrupts" Stefan Berger
2019-11-26 13:17 ` [PATCH 2/2] tpm: Revert "tpm_tis_core: Turn on the TPM before probing IRQ's" Stefan Berger
2020-09-27 20:06 ` James Bottomley
2020-09-28 0:15 ` Jarkko Sakkinen
2019-11-29 22:37 ` [PATCH 0/2] Revert patches fixing probing of interrupts Jarkko Sakkinen
2019-12-01 23:54 ` Stefan Berger
2019-12-02 18:55 ` Jerry Snitselaar
2019-12-09 19:42 ` Jarkko Sakkinen
2019-12-09 21:55 ` Jerry Snitselaar
2019-12-11 11:22 ` Jarkko Sakkinen [this message]
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