Drivers might want to remove some sysfs files, which needs the same
locks and ends up angering lockdep. Relevant snippet of the stack
trace:
kernfs_remove_by_name_ns+0x3b/0x80
bus_remove_driver+0x92/0xa0
acpi_video_unregister+0x24/0x40
i915_driver_unload+0x42/0x130 [i915]
i915_pci_remove
On Mon, Dec 10, 2018 at 09:46:53AM +0100, Daniel Vetter wrote:
> Drivers might want to remove some sysfs files, which needs the same
> locks and ends up angering lockdep. Relevant snippet of the stack
> trace:
>
> kernfs_remove_by_name_ns+0x3b/0x80
> bus_remove_driver+0x92/0xa0
> acpi_video_
On Mon, Dec 10, 2018 at 11:06:34AM +0100, Greg Kroah-Hartman wrote:
> On Mon, Dec 10, 2018 at 09:46:53AM +0100, Daniel Vetter wrote:
> > Drivers might want to remove some sysfs files, which needs the same
> > locks and ends up angering lockdep. Relevant snippet of the stack
> > trace:
> >
> > ke
On Mon, Dec 10, 2018 at 11:18:32AM +0100, Daniel Vetter wrote:
> On Mon, Dec 10, 2018 at 11:06:34AM +0100, Greg Kroah-Hartman wrote:
> > On Mon, Dec 10, 2018 at 09:46:53AM +0100, Daniel Vetter wrote:
> > > Drivers might want to remove some sysfs files, which needs the same
> > > locks and ends up a
On Mon, Dec 10, 2018 at 11:20:58AM +0100, Daniel Vetter wrote:
> On Mon, Dec 10, 2018 at 11:18:32AM +0100, Daniel Vetter wrote:
> > On Mon, Dec 10, 2018 at 11:06:34AM +0100, Greg Kroah-Hartman wrote:
> > > On Mon, Dec 10, 2018 at 09:46:53AM +0100, Daniel Vetter wrote:
> > > > Drivers might want to
On Wed, Dec 12, 2018 at 12:08:40PM +0100, Daniel Vetter wrote:
> On Mon, Dec 10, 2018 at 11:20:58AM +0100, Daniel Vetter wrote:
> > On Mon, Dec 10, 2018 at 11:18:32AM +0100, Daniel Vetter wrote:
> > > On Mon, Dec 10, 2018 at 11:06:34AM +0100, Greg Kroah-Hartman wrote:
> > > > On Mon, Dec 10, 2018 a
On Wed, Dec 12, 2018 at 12:19 PM Greg Kroah-Hartman
wrote:
>
> On Wed, Dec 12, 2018 at 12:08:40PM +0100, Daniel Vetter wrote:
> > On Mon, Dec 10, 2018 at 11:20:58AM +0100, Daniel Vetter wrote:
> > > On Mon, Dec 10, 2018 at 11:18:32AM +0100, Daniel Vetter wrote:
> > > > On Mon, Dec 10, 2018 at 11:0
On Mon, Dec 10, 2018 at 9:47 AM Daniel Vetter wrote:
>
> Drivers might want to remove some sysfs files, which needs the same
> locks and ends up angering lockdep. Relevant snippet of the stack
> trace:
>
> kernfs_remove_by_name_ns+0x3b/0x80
> bus_remove_driver+0x92/0xa0
> acpi_video_unregist
On Thu, Dec 13, 2018 at 10:38:14AM +0100, Rafael J. Wysocki wrote:
> On Mon, Dec 10, 2018 at 9:47 AM Daniel Vetter wrote:
> >
> > Drivers might want to remove some sysfs files, which needs the same
> > locks and ends up angering lockdep. Relevant snippet of the stack
> > trace:
> >
> > kernfs_re
On Thu, Dec 13, 2018 at 10:58 AM Daniel Vetter wrote:
>
> On Thu, Dec 13, 2018 at 10:38:14AM +0100, Rafael J. Wysocki wrote:
> > On Mon, Dec 10, 2018 at 9:47 AM Daniel Vetter
> > wrote:
> > >
> > > Drivers might want to remove some sysfs files, which needs the same
> > > locks and ends up angeri
On Thu, Dec 13, 2018 at 11:23 AM Rafael J. Wysocki wrote:
>
> On Thu, Dec 13, 2018 at 10:58 AM Daniel Vetter wrote:
[cut]
> >
> > - Most of these issues are never visible in normal usage, since normally
> > driver bind/unbind is done from a kthread or model_load/unload, neither
> > of which
On Thu, Dec 13, 2018 at 11:23 AM Rafael J. Wysocki wrote:
>
> On Thu, Dec 13, 2018 at 10:58 AM Daniel Vetter wrote:
> >
> > On Thu, Dec 13, 2018 at 10:38:14AM +0100, Rafael J. Wysocki wrote:
> > > On Mon, Dec 10, 2018 at 9:47 AM Daniel Vetter
> > > wrote:
> > > >
> > > > Drivers might want to r
On Thu, Dec 13, 2018 at 1:36 PM Daniel Vetter wrote:
>
> On Thu, Dec 13, 2018 at 11:23 AM Rafael J. Wysocki wrote:
> >
> > On Thu, Dec 13, 2018 at 10:58 AM Daniel Vetter wrote:
> > >
> > > On Thu, Dec 13, 2018 at 10:38:14AM +0100, Rafael J. Wysocki wrote:
> > > > On Mon, Dec 10, 2018 at 9:47 AM
On Thu, Dec 13, 2018 at 5:18 PM Rafael J. Wysocki wrote:
>
> On Thu, Dec 13, 2018 at 1:36 PM Daniel Vetter wrote:
> >
> > On Thu, Dec 13, 2018 at 11:23 AM Rafael J. Wysocki
> > wrote:
> > >
> > > On Thu, Dec 13, 2018 at 10:58 AM Daniel Vetter wrote:
> > > >
> > > > On Thu, Dec 13, 2018 at 10:3
On Thu, Dec 13, 2018 at 5:25 PM Daniel Vetter wrote:
>
> On Thu, Dec 13, 2018 at 5:18 PM Rafael J. Wysocki wrote:
> >
> > On Thu, Dec 13, 2018 at 1:36 PM Daniel Vetter
> > wrote:
[cut]
> > > I can do the old code exactly, but afaict the non-NULL parent just
> > > takes care of the parent bus
On Thu, Dec 13, 2018 at 07:09:15PM +0100, Rafael J. Wysocki wrote:
> On Thu, Dec 13, 2018 at 5:25 PM Daniel Vetter wrote:
> >
> > On Thu, Dec 13, 2018 at 5:18 PM Rafael J. Wysocki wrote:
> > >
> > > On Thu, Dec 13, 2018 at 1:36 PM Daniel Vetter
> > > wrote:
>
> [cut]
>
> > > > I can do the ol
On Mon, Dec 17, 2018 at 8:48 PM Daniel Vetter wrote:
>
> On Thu, Dec 13, 2018 at 07:09:15PM +0100, Rafael J. Wysocki wrote:
> > On Thu, Dec 13, 2018 at 5:25 PM Daniel Vetter
> > wrote:
> > >
> > > On Thu, Dec 13, 2018 at 5:18 PM Rafael J. Wysocki
> > > wrote:
> > > >
> > > > On Thu, Dec 13, 20
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