lkml.org 
[lkml]   [2019]   [Jun]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC 0/2] Add workaround for core wake-up on IPI for i.MX8MQ
On Mon, 10 Jun 2019, Leonard Crestez wrote:
> On 6/10/2019 5:08 PM, Marc Zyngier wrote:
> > Nobody is talking about performance here. It is strictly about
> > correctness, and what I read about this system is that it cannot
> > reliably use cpuidle.
> My argument was that it's fine if PPIs and LPIs are broken as long as
> they're not used:
>
> * PPIs are only used for local timer which is not used for wakeup.

Huch? The timer has to bring the CPU out of idle as any other interrupt.

Thanks,

tglx

\
 
 \ /
  Last update: 2019-06-12 09:14    [W:0.066 / U:0.276 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site