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[Xen-devel] RE: [PATCH] pv-ops: register xen pci notifier

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, "Han, Weidong" <weidong.han@xxxxxxxxx>
Subject: [Xen-devel] RE: [PATCH] pv-ops: register xen pci notifier
From: "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>
Date: Thu, 30 Jul 2009 13:48:37 +0800
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Cc: "'linux-pci@xxxxxxxxxxxxxxx'" <linux-pci@xxxxxxxxxxxxxxx>, "'xen-devel@xxxxxxxxxxxxxxxxxxx'" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Kay, Allen M" <allen.m.kay@xxxxxxxxx>, "'Keir.Fraser@xxxxxxxxxxxxx'" <Keir.Fraser@xxxxxxxxxxxxx>, "'jbarnes@xxxxxxxxxxxxxxxx'" <jbarnes@xxxxxxxxxxxxxxxx>
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Thread-topic: [PATCH] pv-ops: register xen pci notifier
yes, the pci_iommu_init() is also fs_initcall().


Jeremy Fitzhardinge wrote:
> 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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