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SubjectRe: [GIT PULL] PCI changes for v3.9
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On Tue, Feb 26, 2013 at 8:13 AM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> On Mon, Feb 25, 2013 at 10:46 PM, Yinghai Lu <yinghai@kernel.org> wrote:
>> On Mon, Feb 25, 2013 at 9:19 PM, Linus Torvalds
>> <torvalds@linux-foundation.org> wrote:
>>>
>>> Also, my *gut* feel is that the new _handle_hotplug_event_root()
>>> function should do that whole dance with
>>> acpi_scan_lock_acquire()/acpi_scan_lock_release(), but I didn't really
>>> know if it's required or appropriate, so I left it alone. Could you
>>> take a look?
>>
>> Yes, we need that for root bridge hot add path.
>>
>> for hot remove path, we already have lock acquire/release in
>> acpi_bus_hot_remove_device().
>>
>> Please check attached patch for hot add path.
>
> Quite frankly, doing this in handle_root_bridge_insertion() doesn't
> match the pattern elsewhere. Elsewhere you also protected the whole
> acpi_get_name() lookup etc. Which is why I felt that it would make
> more sense to add this to _handle_hotplug_event_root().
>
> But there may be good reasons why the root bridge case is different,
> and I don't have strong opinions, I just wanted people to look at his
> case. I'll let you and Bjorn sort it out...

ok,

Bjorn, Rafael,

Can you please check if you are ok with attached patch ?

Thanks

Yinghai
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