On Mon, Oct 30, 2017 at 04:12:13PM +, Alex Bennée wrote:
>
> Dave Martin writes:
>
> > On Fri, Oct 27, 2017 at 06:52:50PM +0100, Alex Bennée wrote:
> >>
> >> Dave Martin writes:
> >>
> >> > This patch adds two arm64-specific prctls, to permit
Dave Martin writes:
> On Fri, Oct 27, 2017 at 06:52:50PM +0100, Alex Bennée wrote:
>>
>> Dave Martin writes:
>>
>> > This patch adds two arm64-specific prctls, to permit userspace to
>> > control its vector length:
>> >
>> > * PR_SVE_SET_VL: set the
On Fri, Oct 27, 2017 at 06:52:50PM +0100, Alex Bennée wrote:
>
> Dave Martin writes:
>
> > This patch adds two arm64-specific prctls, to permit userspace to
> > control its vector length:
> >
> > * PR_SVE_SET_VL: set the thread's SVE vector length and vector
> >length
Dave Martin writes:
> This patch adds two arm64-specific prctls, to permit userspace to
> control its vector length:
>
> * PR_SVE_SET_VL: set the thread's SVE vector length and vector
>length inheritance mode.
>
> * PR_SVE_GET_VL: get the same information.
>
>
This patch adds two arm64-specific prctls, to permit userspace to
control its vector length:
* PR_SVE_SET_VL: set the thread's SVE vector length and vector
length inheritance mode.
* PR_SVE_GET_VL: get the same information.
Although these prctls resemble instruction set features in the SVE