On Wed, 2013-08-28 at 10:12 +0800, Gu Zheng wrote:
> On 08/28/2013 05:38 AM, Toshi Kani wrote:
:
> >>
> >> What about changing device_hotplug_lock and acpi_scan_lock to rwsem? like
> >> the
> >> attached one(With a preliminary test, it also can make the splat go
> >> away).:)
> >
> > I am curio
On Wednesday, August 28, 2013 08:24:22 AM Tejun Heo wrote:
> Hello, Rafael.
>
> On Tue, Aug 27, 2013 at 11:45:46PM +0200, Rafael J. Wysocki wrote:
> > I've thought about that a bit over the last several hours and I'm still
> > thinking that that patch is a bit overkill, because it will trigger the
Hello, Rafael.
On Tue, Aug 27, 2013 at 11:45:46PM +0200, Rafael J. Wysocki wrote:
> I've thought about that a bit over the last several hours and I'm still
> thinking that that patch is a bit overkill, because it will trigger the
> restart_syscall() for all cases when device_hotplug_lock is locked
Hi Rafael,
On 08/28/2013 05:45 AM, Rafael J. Wysocki wrote:
> On Tuesday, August 27, 2013 02:36:44 PM Tejun Heo wrote:
>> Hello,
>>
[...]
>
> I've thought about that a bit over the last several hours and I'm still
> thinking that that patch is a bit overkill, because it will trigger the
> restar
Hi Toshi,
On 08/28/2013 05:38 AM, Toshi Kani wrote:
> On Tue, 2013-08-27 at 17:21 +0800, Gu Zheng wrote:
>> Hi Rafael,
>>
>> On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
>>
>>> On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael J
On Tue, 2013-08-27 at 17:21 +0800, Gu Zheng wrote:
> Hi Rafael,
>
> On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
>
> > On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
> >> On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
> >>> On Monday, August 26, 2013 11:13:13
On Tuesday, August 27, 2013 02:36:44 PM Tejun Heo wrote:
> Hello,
>
> On Tue, Aug 27, 2013 at 05:21:44PM +0800, Gu Zheng wrote:
> > >> OK, so the patch below is quick and dirty and overkill, but it should
> > >> make the
> > >> splat go away at least.
> > >
> > > And if this patch does make the
Hello,
On Tue, Aug 27, 2013 at 05:21:44PM +0800, Gu Zheng wrote:
> >> OK, so the patch below is quick and dirty and overkill, but it should make
> >> the
> >> splat go away at least.
> >
> > And if this patch does make the splat go away for you, please also test the
> > appended one (Tejun, than
Hi Rafael,
On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
> On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
>> On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
>>> On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
>
> [...]
>
>>
>> OK, so th
Hi Rafael,
On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
> On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
>> On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
>>> On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
>
> [...]
>
>>
>> OK, so th
>>>
>>>
>>>[] device_remove_file+0x17/0x20
>>>
>&
Hi Rafael,
On 08/26/2013 10:43 PM, Rafael J. Wysocki wrote:
> On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
>> On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
>>> Hi Rafael,
>>
>> Hi,
>>
>>> On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
>>>
From: Rafael J. Wysocki
On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
> On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
> > On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
> > > Hi Rafael,
[...]
>
> OK, so the patch below is quick and dirty and overkill, but it should make the
>
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
> On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
> > Hi Rafael,
>
> Hi,
>
> > On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
> >
> > > From: Rafael J. Wysocki
> > >
> > > There are two mutexes, device_hotplug_lock and ac
On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
> Hi Rafael,
Hi,
> On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
>
> > From: Rafael J. Wysocki
> >
> > There are two mutexes, device_hotplug_lock and acpi_scan_lock, held
> > around the acpi_bus_trim() call in acpi_scan_hot_remove() whi
Hi Rafael,
On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki
>
> There are two mutexes, device_hotplug_lock and acpi_scan_lock, held
> around the acpi_bus_trim() call in acpi_scan_hot_remove() which
> generally removes devices (it removes ACPI device objects at least,
>
On Sun, Aug 25, 2013 at 10:09:47PM +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki
>
> There are two mutexes, device_hotplug_lock and acpi_scan_lock, held
> around the acpi_bus_trim() call in acpi_scan_hot_remove() which
> generally removes devices (it removes ACPI device objects at lea
From: Rafael J. Wysocki
There are two mutexes, device_hotplug_lock and acpi_scan_lock, held
around the acpi_bus_trim() call in acpi_scan_hot_remove() which
generally removes devices (it removes ACPI device objects at least,
but it may also remove "physical" device objects through .detach()
callba
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