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Date:   Wed, 24 May 2023 04:44:12 +0300
Message-Id: <CSU4LJ3ILUX5.1PHMGJXF2U2TC@suppilovahvero>
From:   "Jarkko Sakkinen" <jarkko@kernel.org>
To:     "Lukas Wunner" <lukas@wunner.de>
Cc:     "Lino Sanfilippo" <LinoSanfilippo@gmx.de>, <peterhuewe@gmx.de>,
        <jgg@ziepe.ca>, <jsnitsel@redhat.com>, <hdegoede@redhat.com>,
        <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
        <peter.ujfalusi@linux.intel.com>, <peterz@infradead.org>,
        <linux@mniewoehner.de>, <linux-integrity@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <l.sanfilippo@kunbus.com>,
        <p.rosenberger@kunbus.com>
Subject: Re: [PATCH 1/2] tpm, tpm_tis: Handle interrupt storm
References: <20230522143105.8617-1-LinoSanfilippo@gmx.de>
 <CSTVVFNKUVJW.P69FKI6IF3ZN@suppilovahvero>
 <CSTW066CTZ5M.2JR61D32CFSZL@suppilovahvero>
 <20230523194654.GB5820@wunner.de>
In-Reply-To: <20230523194654.GB5820@wunner.de>
Precedence: bulk

On Tue May 23, 2023 at 10:46 PM EEST, Lukas Wunner wrote:
> On Tue, May 23, 2023 at 10:00:10PM +0300, Jarkko Sakkinen wrote:
> > I feel also a bit resistant because leaf driver framework is really
> > a wrong location in the kernel tree for IRQ storm detection.
> >=20
> > It would be better to have it signaled above the TPM driver, and the
> > driver would then just act on it.
>
> That would require changing the logic in kernel/irq/spurious.c.
>
> At this point in the cycle, such a change would definitely not be
> eligible as a fix for v6.4.

No disagreeing with this. Just pointed it out.

BR, Jarkko