From: David Woodhouse <dwmw2@infradead.org>
To: Joerg Roedel <joro@8bytes.org>
Cc: Andy Lutomirski <luto@amacapital.net>,
Gleb Natapov <gleb@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Alex Williamson <alex.williamson@redhat.com>,
Don Zickus <dzickus@redhat.com>,
Prarit Bhargava <prarit@redhat.com>
Subject: Re: [PATCH] intel_iommu: Disable vfio and kvm interrupt assignment when unsafe
Date: Thu, 07 Feb 2013 21:02:38 +0000 [thread overview]
Message-ID: <1360270958.6066.166.camel@shinybook.infradead.org> (raw)
In-Reply-To: <20130207172701.GX25591@8bytes.org>
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On Thu, 2013-02-07 at 18:27 +0100, Joerg Roedel wrote:
>
> Second, I think that it should be a pr_warn instead of a full WARN. When
> IRQ remapping could not be enabled it's most likely because of the BIOS
> or the hardware. So a message in the kernel log will do and the
> backtrace provides no additional value.
Backtraces add visibility and have proven to be extremely useful in the
past for getting people to actually *fix* broken BIOSes.
When kerneloops.org was running, it also gave very good statistics which
helped to apply pressure.
--
dwmw2
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next prev parent reply other threads:[~2013-02-07 21:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-07 3:08 Andy Lutomirski
2013-02-07 3:11 ` Andy Lutomirski
2013-02-07 11:33 ` Joerg Roedel
2013-02-07 16:29 ` Andy Lutomirski
2013-02-07 17:27 ` Joerg Roedel
2013-02-07 17:53 ` Andy Lutomirski
2013-02-07 20:51 ` Joerg Roedel
2013-02-07 21:02 ` David Woodhouse [this message]
2013-02-07 21:21 ` Joerg Roedel
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