From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Robin Murphy <robin.murphy@arm.com>
Cc: iommu@lists.linux-foundation.org
Subject: Re: [PATCH] iommu: silence iommu group prints
Date: Thu, 27 Feb 2020 13:48:39 +0000 [thread overview]
Message-ID: <20200227134839.GL25745@shell.armlinux.org.uk> (raw)
In-Reply-To: <2b86add2-03aa-21f1-c58a-120a8394e6eb@arm.com>
On Thu, Feb 27, 2020 at 01:44:56PM +0000, Robin Murphy wrote:
> On 27/02/2020 11:57 am, Russell King wrote:
> > On the LX2160A, there are lots (about 160) of IOMMU messages produced
> > during boot; this is excessive. Reduce the severity of these messages
> > to debug level.
>
> That's... a lot. Does the system really have that many devices, or is some
> driver being stupid and repeatedly populating and destroying an entire bus
> in a probe-deferral dance?
It's all the devices created by for the mc-bus for the DPAA2
networking support. I don't know the technicalities, just that
the boot is spammed with these messages.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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next prev parent reply other threads:[~2020-02-27 13:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-27 11:57 [PATCH] iommu: silence iommu group prints Russell King
2020-02-27 13:44 ` Robin Murphy
2020-02-27 13:48 ` Russell King - ARM Linux admin [this message]
2020-02-27 18:19 ` Robin Murphy
2020-02-27 19:00 ` Russell King - ARM Linux admin
2020-02-28 2:16 ` Lu Baolu
2020-02-28 9:33 ` John Garry
2020-02-28 10:06 ` Russell King - ARM Linux admin
2020-02-28 18:32 ` Robin Murphy
2020-03-02 11:48 ` Laurentiu Tudor
2020-03-03 14:18 ` Laurentiu Tudor
2020-03-03 15:49 ` Russell King - ARM Linux admin
2020-03-03 15:55 ` Laurentiu Tudor
2020-03-03 22:17 ` Russell King - ARM Linux admin
2020-03-04 8:56 ` Laurentiu Tudor
2020-03-04 9:33 ` Russell King - ARM Linux admin
2020-03-04 9:42 ` Laurentiu Tudor
2020-03-04 9:51 ` Russell King - ARM Linux admin
2020-03-04 9:56 ` Laurentiu Tudor
2020-03-04 10:07 ` Russell King - ARM Linux admin
2020-03-04 10:33 ` Laurentiu Tudor
2020-03-04 10:52 ` Russell King - ARM Linux admin
2020-03-04 11:26 ` Laurentiu Tudor
2020-03-02 15:44 ` Joerg Roedel
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