lkml.org 
[lkml]   [2016]   [Jul]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] drivers/perf: arm-pmu: Handle per-interrupt affinity mask
On Wed, Jul 06, 2016 at 03:33:47PM +0100, Marc Zyngier wrote:
> On a big-little system, PMUs can be wired to CPUs using per CPU
> interrups (PPI). In this case, it is important to make sure that
> the enable/disable do happen on the right set of CPUs.
>
> So instead of relying on the interrupt-affinity property, we can
> use the actual percpu affinity that DT exposes as part of the
> interrupt specifier. The DT binding is also updated to reflect
> the fact that the interrupt-affinity property shouldn't be used
> in that case.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> ---
> * From v1:
> - propagate the error if irq_get_percpu_devid_partition fails

Thanks, I'll queue this.

Will

\
 
 \ /
  Last update: 2016-07-06 18:41    [W:0.057 / U:0.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site