Re: [PATCH v4 2/4] sched/isolation: Extend nohz_full to isolate managed IRQs

On 10/23/20 9:29 AM, Frederic Weisbecker wrote: > On Fri, Oct 23, 2020 at 03:25:05PM +0200, Peter Zijlstra wrote: >> On Mon, Sep 28, 2020 at 02:35:27PM -0400, Nitesh Narayan Lal wrote: >>> Extend nohz_full feature set to include isolation from managed IRQS. This >> So you say it's for managed-irqs

Re: [PATCH v4 2/4] sched/isolation: Extend nohz_full to isolate managed IRQs

On 10/23/20 9:25 AM, Peter Zijlstra wrote: > On Mon, Sep 28, 2020 at 02:35:27PM -0400, Nitesh Narayan Lal wrote: >> Extend nohz_full feature set to include isolation from managed IRQS. This > So you say it's for managed-irqs, the feature is actually called > MANAGED_IRQ, but, AFAICT, it does *NOT*

Re: [PATCH v4 2/4] sched/isolation: Extend nohz_full to isolate managed IRQs

On Fri, Oct 23, 2020 at 03:25:05PM +0200, Peter Zijlstra wrote: > On Mon, Sep 28, 2020 at 02:35:27PM -0400, Nitesh Narayan Lal wrote: > > Extend nohz_full feature set to include isolation from managed IRQS. This > > So you say it's for managed-irqs, the feature is actually called > MANAGED_IRQ, bu

Re: [PATCH v4 2/4] sched/isolation: Extend nohz_full to isolate managed IRQs

On Mon, Sep 28, 2020 at 02:35:27PM -0400, Nitesh Narayan Lal wrote: > Extend nohz_full feature set to include isolation from managed IRQS. This So you say it's for managed-irqs, the feature is actually called MANAGED_IRQ, but, AFAICT, it does *NOT* in fact affect managed IRQs. Also, as per Thomas

[PATCH v4 2/4] sched/isolation: Extend nohz_full to isolate managed IRQs

Extend nohz_full feature set to include isolation from managed IRQS. This is required specifically for setups that only uses nohz_full and still requires isolation for maintaining lower latency for the listed CPUs. Suggested-by: Frederic Weisbecker Signed-off-by: Nitesh Narayan Lal --- kernel/s