linux-security-module.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
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: Mon, 9 Dec 2019 21:42:48 +0200	[thread overview]
Message-ID: <20191209194248.GC19243@linux.intel.com> (raw)
In-Reply-To: <20191202185520.57w2h3dgs5q7lhob@cantor>

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

  reply	other threads:[~2019-12-09 19:52 UTC|newest]

Thread overview: 9+ 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
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 [this message]
2019-12-09 21:55         ` Jerry Snitselaar
2019-12-11 11:22           ` Jarkko Sakkinen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20191209194248.GC19243@linux.intel.com \
    --to=jarkko.sakkinen@linux.intel.com \
    --cc=linux-integrity@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-security-module@vger.kernel.org \
    --cc=stable@vger.kernel.org \
    --cc=stefanb@linux.ibm.com \
    --cc=stefanb@linux.vnet.ibm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).