Messages in this thread | | | Date | Wed, 12 Jun 2019 09:14:16 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [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
| |