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xen-devel
[Xen-devel] Re: [PATCH] pv-ops: register xen pci notifier
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To: |
"Han, Weidong" <weidong.han@xxxxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH] pv-ops: register xen pci notifier |
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From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Date: |
Wed, 29 Jul 2009 10:27:59 -0700 |
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Cc: |
"'xen-devel@xxxxxxxxxxxxxxxxxxx'" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "'linux-pci@xxxxxxxxxxxxxxx'" <linux-pci@xxxxxxxxxxxxxxx>, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>, "Kay, Allen M" <allen.m.kay@xxxxxxxxx>, "'jbarnes@xxxxxxxxxxxxxxxx'" <jbarnes@xxxxxxxxxxxxxxxx>, "'Keir.Fraser@xxxxxxxxxxxxx'" <Keir.Fraser@xxxxxxxxxxxxx> |
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Wed, 29 Jul 2009 10:28:24 -0700 |
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On 07/28/09 18:33, Han, Weidong wrote:
> register_xen_pci_notifier must be executed after PCI subsystem. I think
> fs_initcall is the suitable initcall achieve it.
>
Yes, that's a bit awkward. It requires pci_bus_type to have been
registered/initialized with bus_register() before you can register a
notifier on it. Its a pity it couldn't be rearranged so that you can
register the notifier at any time.
J
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