On Thu, 5 Oct 2017, Daniel Vetter wrote:
> On Thu, Oct 05, 2017 at 06:19:30PM +0200, Thomas Gleixner wrote:
> > On Thu, 5 Oct 2017, Daniel Vetter wrote:
> > > On Thu, Oct 05, 2017 at 05:23:20PM +0200, Thomas Gleixner wrote:
> > > > Aside of that, is it really required to use stomp_machine() for thi
On Thu, Oct 05, 2017 at 06:19:30PM +0200, Thomas Gleixner wrote:
> On Thu, 5 Oct 2017, Daniel Vetter wrote:
> > On Thu, Oct 05, 2017 at 05:23:20PM +0200, Thomas Gleixner wrote:
> > > Aside of that, is it really required to use stomp_machine() for this
> > > synchronization? We certainly have less i
On Thu, 5 Oct 2017, Daniel Vetter wrote:
> On Thu, Oct 05, 2017 at 05:23:20PM +0200, Thomas Gleixner wrote:
> > Aside of that, is it really required to use stomp_machine() for this
> > synchronization? We certainly have less intrusive mechansisms than that.
>
> Yeah, the stop_machine needs to go,
On Thu, Oct 05, 2017 at 05:23:20PM +0200, Thomas Gleixner wrote:
> On Thu, 5 Oct 2017, Daniel Vetter wrote:
>
> > 4.14-rc1 gained the fancy new cross-release support in lockdep, which
> > seems to have uncovered a few more rules about what is allowed and
> > isn't.
> >
> > This one here seems to
On Thu, 5 Oct 2017, Daniel Vetter wrote:
> 4.14-rc1 gained the fancy new cross-release support in lockdep, which
> seems to have uncovered a few more rules about what is allowed and
> isn't.
>
> This one here seems to indicate that allocating a work-queue while
> holding mmap_sem is a no-go, so l
Quoting Daniel Vetter (2017-10-05 14:22:06)
> 4.14-rc1 gained the fancy new cross-release support in lockdep, which
> seems to have uncovered a few more rules about what is allowed and
> isn't.
>
> This one here seems to indicate that allocating a work-queue while
> holding mmap_sem is a no-go, so
Quoting Daniel Vetter (2017-10-05 14:22:06)
> 4.14-rc1 gained the fancy new cross-release support in lockdep, which
> seems to have uncovered a few more rules about what is allowed and
> isn't.
>
> This one here seems to indicate that allocating a work-queue while
> holding mmap_sem is a no-go, so
4.14-rc1 gained the fancy new cross-release support in lockdep, which
seems to have uncovered a few more rules about what is allowed and
isn't.
This one here seems to indicate that allocating a work-queue while
holding mmap_sem is a no-go, so let's try to preallocate it.
Of course another way to
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