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xen-devel
Re: [Xen-devel] Re: [tip:irq/core] x86: xen: Sanitise sparse_irq handlin
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To: |
"linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "hpa@xxxxxxxxx" <hpa@xxxxxxxxx>, Jeremy Fitzhardinge <Jeremy.Fitzhardinge@xxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "mingo@xxxxxxx" <mingo@xxxxxxx> |
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Subject: |
Re: [Xen-devel] Re: [tip:irq/core] x86: xen: Sanitise sparse_irq handling |
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From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Date: |
Fri, 15 Oct 2010 17:17:52 -0700 |
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Cc: |
"Xen-devel@xxxxxxxxxxxxxxxxxxx" <Xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxx>, "linux-tip-commits@xxxxxxxxxxxxxxx" <linux-tip-commits@xxxxxxxxxxxxxxx> |
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Fri, 15 Oct 2010 17:18:31 -0700 |
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On 10/15/2010 05:15 PM, Jeremy Fitzhardinge wrote:
> On 10/12/2010 01:29 PM, tip-bot for Thomas Gleixner wrote:
>> Commit-ID: 77dff1c755c3218691e95e7e38ee14323b35dbdb
>> Gitweb:
>> http://git.kernel.org/tip/77dff1c755c3218691e95e7e38ee14323b35dbdb
>> Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>> AuthorDate: Wed, 29 Sep 2010 17:37:10 +0200
>> Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>> CommitDate: Tue, 12 Oct 2010 16:53:44 +0200
>>
>> x86: xen: Sanitise sparse_irq handling
>>
>> There seems to be more cleanups possible, but that's left to the xen
>> experts :)
> This causes the kernel to fail to boot under Xen. The WARN_ON(res !=
> irq) triggers and nobody is very happy about the results.
Of course the really interesting question is whether this sparse irq
rework allows us to hang our extra per-irq information of the irq_data
structure now, rather than having to maintain all these auxiliary arrays?
Thanks,
J
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