From: Joerg Roedel <joro@8bytes.org>
To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: James Bottomley <James.Bottomley@hansenpartnership.com>,
"ksummit-discuss@lists.linuxfoundation.org"
<ksummit-discuss@lists.linuxfoundation.org>
Subject: Re: [Ksummit-discuss] [CORE TOPIC] Device error handling / reporting / isolation
Date: Mon, 12 May 2014 17:07:22 +0200 [thread overview]
Message-ID: <20140512150722.GO12376@8bytes.org> (raw)
In-Reply-To: <CAKMK7uFcWsZyGoxLx=2xH-vgRq1nD3cZjeqeRLsvKGrHt--VHA@mail.gmail.com>
On Mon, May 12, 2014 at 12:43:09AM +0200, Daniel Vetter wrote:
> So I think having some iommu storm handling (like we have for
> interrupts in general and a lot of other things) would go a long way
> towards the goal of enabling iommus everywhere.
Right, the developer use-case needs also be taken into account. We could
easily ignore a device after it did something wrong to get rid of
io-page-fault or interupt storms. But we also need a way to tell the
kernel to unignore the device later :)
Joerg
next prev parent reply other threads:[~2014-05-12 15:07 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-08 12:37 David Woodhouse
2014-05-08 18:03 ` Bjorn Helgaas
2014-05-08 20:00 ` Rafael J. Wysocki
2014-05-08 19:56 ` James Bottomley
2014-05-09 8:55 ` David Woodhouse
2014-05-09 11:31 ` Laurent Pinchart
2014-05-14 1:28 ` Benjamin Herrenschmidt
2014-05-09 17:48 ` Roland Dreier
2014-05-09 17:58 ` Matthew Wilcox
2014-05-09 18:08 ` Roland Dreier
2014-05-14 1:40 ` Benjamin Herrenschmidt
2014-05-09 18:05 ` Will Deacon
2014-05-12 15:03 ` Joerg Roedel
2014-05-09 19:37 ` Josh Triplett
2014-05-09 19:44 ` David Woodhouse
2014-05-09 19:53 ` Roland Dreier
2014-05-09 20:13 ` Luck, Tony
2014-05-09 20:19 ` James Bottomley
2014-05-10 1:09 ` Laurent Pinchart
2014-05-11 22:43 ` Daniel Vetter
2014-05-12 15:07 ` Joerg Roedel [this message]
2014-05-12 15:35 ` Daniel Vetter
2014-05-12 16:16 ` Andy Lutomirski
2014-05-12 16:28 ` Joerg Roedel
2014-05-12 16:59 ` Laurent Pinchart
2014-05-12 17:15 ` Joerg Roedel
2014-05-12 17:11 ` Daniel Vetter
2014-05-12 17:40 ` Joerg Roedel
2014-05-13 10:06 ` Daniel Vetter
2014-05-12 17:04 ` Daniel Vetter
2014-05-13 11:27 ` David Woodhouse
2014-05-13 17:25 ` Daniel Vetter
2014-05-14 1:50 ` Benjamin Herrenschmidt
2014-05-14 20:09 ` Daniel Vetter
2014-05-15 1:08 ` Benjamin Herrenschmidt
2014-05-12 16:26 ` Joerg Roedel
2014-05-12 14:58 ` Joerg Roedel
2014-05-13 14:37 ` David Woodhouse
2014-05-14 1:46 ` Benjamin Herrenschmidt
2014-05-14 1:43 ` Benjamin Herrenschmidt
2014-05-14 1:42 ` Benjamin Herrenschmidt
2014-05-14 1:24 ` Benjamin Herrenschmidt
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