On Friday 05 of October 2012 16:10:43 Yinghai Lu wrote:
> On Fri, Oct 5, 2012 at 4:01 PM, Rafael J. Wysocki wrote:
> > On Thursday 04 of October 2012 15:46:39 Yinghai Lu wrote:
> >> > Your patches seem to affect all devices in the ACPI namespace added after
> >> > boot, though, not only host bridg
On Fri, Oct 5, 2012 at 4:01 PM, Rafael J. Wysocki wrote:
> On Thursday 04 of October 2012 15:46:39 Yinghai Lu wrote:
>> > Your patches seem to affect all devices in the ACPI namespace added after
>> > boot, though, not only host bridges.
>>
>> yes, but it still should be safe.
>
> I'm not really s
On Thursday 04 of October 2012 15:46:39 Yinghai Lu wrote:
> On Thu, Oct 4, 2012 at 3:36 PM, Rafael J. Wysocki wrote:
> > On Thursday 04 of October 2012 15:01:21 Yinghai Lu wrote:
> >> during adding pci root bus hotplug, Bjorn found some unsafe searching
> >> that caused by pci_bus_add_devices.
> >
On Thu, Oct 4, 2012 at 3:36 PM, Rafael J. Wysocki wrote:
> On Thursday 04 of October 2012 15:01:21 Yinghai Lu wrote:
>> during adding pci root bus hotplug, Bjorn found some unsafe searching
>> that caused by pci_bus_add_devices.
>
> Do you have a link to a description of that problem?
Maybe bjorn
On Thursday 04 of October 2012 15:01:21 Yinghai Lu wrote:
> On Thu, Oct 4, 2012 at 2:53 PM, Rafael J. Wysocki wrote:
> > On Thursday 04 of October 2012 14:31:46 Yinghai Lu wrote:
> >> On Thu, Oct 4, 2012 at 2:23 PM, Rafael J. Wysocki wrote:
> >> >>
> >> >> At last we could remove all acpi_bus_sta
On Thu, Oct 4, 2012 at 2:53 PM, Rafael J. Wysocki wrote:
> On Thursday 04 of October 2012 14:31:46 Yinghai Lu wrote:
>> On Thu, Oct 4, 2012 at 2:23 PM, Rafael J. Wysocki wrote:
>> >>
>> >> At last we could remove all acpi_bus_start workaround.
>> >
>> > Do I understand correctly that you just wan
On Thursday 04 of October 2012 14:31:46 Yinghai Lu wrote:
> On Thu, Oct 4, 2012 at 2:23 PM, Rafael J. Wysocki wrote:
> >>
> >> At last we could remove all acpi_bus_start workaround.
> >
> > Do I understand correctly that you just want to prevent acpi_pci_root_driver
> > from binding to the host br
On Thu, Oct 4, 2012 at 2:23 PM, Rafael J. Wysocki wrote:
>>
>> At last we could remove all acpi_bus_start workaround.
>
> Do I understand correctly that you just want to prevent acpi_pci_root_driver
> from binding to the host bridge's struct acpi_device created while we're
> walking the ACPI names
On Wednesday 03 of October 2012 16:00:10 Yinghai Lu wrote:
> Now acpi_pci_root_driver has two ops: .add and .start, aka acpi_pci_root_add
> and acpi_pci_root_start.
>
> That is for hotplug handling: .add need to return early to make sure all
> acpi device could be created and added early. So .star
On Thu, Oct 4, 2012 at 2:14 PM, Yinghai Lu wrote:
> On Thu, Oct 4, 2012 at 12:44 PM, Bjorn Helgaas wrote:
>>
>> To answer your specific question, yes, I do think drivers that are
>> statically built in probably should be registered before devices are
>> enumerated. That way, the boot-time case i
On Thursday 04 of October 2012 11:47:46 Bjorn Helgaas wrote:
> On Wed, Oct 03, 2012 at 04:00:10PM -0700, Yinghai Lu wrote:
> > Now acpi_pci_root_driver has two ops: .add and .start, aka acpi_pci_root_add
> > and acpi_pci_root_start.
> >
> > That is for hotplug handling: .add need to return early t
On Thursday 04 of October 2012 13:44:42 Bjorn Helgaas wrote:
> On Thu, Oct 4, 2012 at 12:36 PM, Yinghai Lu wrote:
> > On Thu, Oct 4, 2012 at 10:47 AM, Bjorn Helgaas wrote:
> >> On Wed, Oct 03, 2012 at 04:00:10PM -0700, Yinghai Lu wrote:
> >> This is a fundamental difference: at boot-time, all the
On Thu, Oct 4, 2012 at 12:44 PM, Bjorn Helgaas wrote:
>
> To answer your specific question, yes, I do think drivers that are
> statically built in probably should be registered before devices are
> enumerated. That way, the boot-time case is more similar to the
> hot-add case.
>
> Obviously, for
On Thu, Oct 4, 2012 at 12:36 PM, Yinghai Lu wrote:
> On Thu, Oct 4, 2012 at 10:47 AM, Bjorn Helgaas wrote:
>> On Wed, Oct 03, 2012 at 04:00:10PM -0700, Yinghai Lu wrote:
>> This is a fundamental difference: at boot-time, all the ACPI devices below
>> the
>> host bridge already exist before the p
On Thu, Oct 4, 2012 at 10:47 AM, Bjorn Helgaas wrote:
> On Wed, Oct 03, 2012 at 04:00:10PM -0700, Yinghai Lu wrote:
> This is a fundamental difference: at boot-time, all the ACPI devices below the
> host bridge already exist before the pci_root.c driver claims the bridge,
> while at hot-add time,
On Wed, Oct 03, 2012 at 04:00:10PM -0700, Yinghai Lu wrote:
> Now acpi_pci_root_driver has two ops: .add and .start, aka acpi_pci_root_add
> and acpi_pci_root_start.
>
> That is for hotplug handling: .add need to return early to make sure all
> acpi device could be created and added early. So .sta
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