From: Jarkko Sakkinen <jarkko@kernel.org>
To: Jerry Snitselaar <jsnitsel@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
kernel test robot <lkp@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Jarkko Sakkinen <jarkko@kernel.org>,
Jason Gunthorpe <jgg@ziepe.ca>, Peter Huewe <peterhuewe@gmx.de>,
James Bottomley <James.Bottomley@hansenpartnership.com>,
Matthew Garrett <mjg59@google.com>,
Hans de Goede <hdegoede@redhat.com>,
Jiri Kosina <jkosina@suse.cz>, Yunfeng Ye <yeyunfeng@huawei.com>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com
Subject: Re: [PATCH v3 1/4] irq: export kstat_irqs
Date: Sat, 5 Dec 2020 12:39:54 +0200 [thread overview]
Message-ID: <20201205103954.GA17088@kernel.org> (raw)
In-Reply-To: <20201205014340.148235-2-jsnitsel@redhat.com>
On Fri, Dec 04, 2020 at 06:43:37PM -0700, Jerry Snitselaar wrote:
> To try and detect potential interrupt storms that
> have been occurring with tpm_tis devices it was suggested
> to use kstat_irqs() to get the number of interrupts.
> Since tpm_tis can be built as a module it needs kstat_irqs
> exported.
I think you should also have a paragraph explicitly stating that
i915_pmu.c contains a duplicate of kstat_irqs() because it is not
exported as of today. It adds a lot more weight to this given that
there is already existing mainline usage (kind of).
>
> Reported-by: kernel test robot <lkp@intel.com>
I'm not sure if this makes much sense.
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Jarkko Sakkinen <jarkko@kernel.org>
> Cc: Jason Gunthorpe <jgg@ziepe.ca>
> Cc: Peter Huewe <peterhuewe@gmx.de>
> Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
> Cc: Matthew Garrett <mjg59@google.com>
> Cc: Hans de Goede <hdegoede@redhat.com>
> Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
/Jarkko
next prev parent reply other threads:[~2020-12-05 10:45 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-05 1:43 [PATCH v3 0/4] tpm_tis: Detect interrupt storms Jerry Snitselaar
2020-12-05 1:43 ` [PATCH v3 1/4] irq: export kstat_irqs Jerry Snitselaar
2020-12-05 10:39 ` Jarkko Sakkinen [this message]
2020-12-06 16:40 ` Thomas Gleixner
2020-12-06 17:40 ` James Bottomley
2020-12-06 19:29 ` Thomas Gleixner
2020-12-06 17:54 ` Thomas Gleixner
2020-12-06 21:46 ` Jerry Snitselaar
2020-12-05 1:43 ` [PATCH v3 2/4] drm/i915/pmu: Use kstat_irqs to get interrupt count Jerry Snitselaar
2020-12-06 16:38 ` Thomas Gleixner
2020-12-06 21:33 ` Thomas Gleixner
2020-12-08 9:54 ` Jarkko Sakkinen
2020-12-06 21:47 ` Jerry Snitselaar
2020-12-06 23:38 ` Thomas Gleixner
2020-12-10 7:53 ` [Intel-gfx] " Joonas Lahtinen
2020-12-10 10:45 ` Tvrtko Ursulin
2020-12-10 16:35 ` Thomas Gleixner
2020-12-10 17:09 ` Tvrtko Ursulin
2020-12-10 17:44 ` Thomas Gleixner
2020-12-10 17:51 ` Tvrtko Ursulin
2020-12-05 1:43 ` [PATCH v3 3/4] tpm_tis: Disable interrupts if interrupt storm detected Jerry Snitselaar
2020-12-06 19:26 ` Thomas Gleixner
2020-12-07 19:28 ` Jason Gunthorpe
2020-12-07 19:58 ` James Bottomley
2020-12-08 17:43 ` Jarkko Sakkinen
2020-12-08 17:42 ` Jarkko Sakkinen
2020-12-05 1:43 ` [PATCH v3 4/4] tpm_tis: Disable Interrupts on the ThinkPad L490 Jerry Snitselaar
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