Hi Steve,
[adding linux-mm, since this has turned into a discussion about THP
splitting]
On Fri, Oct 04, 2013 at 11:31:42AM +0100, Steve Capper wrote:
> On Thu, Oct 03, 2013 at 11:07:44AM -0700, Zi Shen Lim wrote:
> > On Thu, Oct 3, 2013 at 10:27 AM, Will Deacon wrote:
> > > On Thu, Oct 03,
On Thu, Oct 03, 2013 at 11:07:44AM -0700, Zi Shen Lim wrote:
> Thanks for your feedback Will.
>
> On Thu, Oct 3, 2013 at 10:27 AM, Will Deacon wrote:
> > On Thu, Oct 03, 2013 at 06:15:15PM +0100, Zi Shen Lim wrote:
> >> Futex uses GUP. Currently on ARM, the default __get_user_pages_fast
> >>
On Thu, Oct 03, 2013 at 11:07:44AM -0700, Zi Shen Lim wrote:
Thanks for your feedback Will.
On Thu, Oct 3, 2013 at 10:27 AM, Will Deacon will.dea...@arm.com wrote:
On Thu, Oct 03, 2013 at 06:15:15PM +0100, Zi Shen Lim wrote:
Futex uses GUP. Currently on ARM, the default
Hi Steve,
[adding linux-mm, since this has turned into a discussion about THP
splitting]
On Fri, Oct 04, 2013 at 11:31:42AM +0100, Steve Capper wrote:
On Thu, Oct 03, 2013 at 11:07:44AM -0700, Zi Shen Lim wrote:
On Thu, Oct 3, 2013 at 10:27 AM, Will Deacon will.dea...@arm.com wrote:
On
Thanks for your feedback Will.
On Thu, Oct 3, 2013 at 10:27 AM, Will Deacon wrote:
> On Thu, Oct 03, 2013 at 06:15:15PM +0100, Zi Shen Lim wrote:
>> Futex uses GUP. Currently on ARM, the default __get_user_pages_fast
>> being used always returns 0, leading to a forever loop in get_futex_key :(
On Thu, Oct 03, 2013 at 06:15:15PM +0100, Zi Shen Lim wrote:
> Futex uses GUP. Currently on ARM, the default __get_user_pages_fast
> being used always returns 0, leading to a forever loop in get_futex_key :(
>
> Implementing GUP solves this problem.
>
> Tested on vexpress-A15 on QEMU.
>
Futex uses GUP. Currently on ARM, the default __get_user_pages_fast
being used always returns 0, leading to a forever loop in get_futex_key :(
Implementing GUP solves this problem.
Tested on vexpress-A15 on QEMU.
8<>8
Implement
Futex uses GUP. Currently on ARM, the default __get_user_pages_fast
being used always returns 0, leading to a forever loop in get_futex_key :(
Implementing GUP solves this problem.
Tested on vexpress-A15 on QEMU.
88
Implement
On Thu, Oct 03, 2013 at 06:15:15PM +0100, Zi Shen Lim wrote:
Futex uses GUP. Currently on ARM, the default __get_user_pages_fast
being used always returns 0, leading to a forever loop in get_futex_key :(
Implementing GUP solves this problem.
Tested on vexpress-A15 on QEMU.
Thanks for your feedback Will.
On Thu, Oct 3, 2013 at 10:27 AM, Will Deacon will.dea...@arm.com wrote:
On Thu, Oct 03, 2013 at 06:15:15PM +0100, Zi Shen Lim wrote:
Futex uses GUP. Currently on ARM, the default __get_user_pages_fast
being used always returns 0, leading to a forever loop in
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