On Tue, Jan 05, 2021 at 04:23:44PM +0800, Lai Jiangshan wrote:
> Even with the help of wq_online_cpumask, the patchset can't silence
> the warning in __set_cpus_allowed_ptr() in this case. It is indeed
> hard to suppress the warning for unbound pools. Maybe we need something
On Tue, Jan 5, 2021 at 10:37 PM Lai Jiangshan wrote:
>
> On Tue, Jan 5, 2021 at 9:17 PM Peter Zijlstra wrote:
> >
> > On Tue, Jan 05, 2021 at 04:23:44PM +0800, Lai Jiangshan wrote:
> > > On Tue, Jan 5, 2021 at 10:41 AM Lai Jiangshan
> > > wrote:
> > > > On Mon, Jan 4, 2021 at 9:56 PM Peter
On Tue, Jan 5, 2021 at 9:17 PM Peter Zijlstra wrote:
>
> On Tue, Jan 05, 2021 at 04:23:44PM +0800, Lai Jiangshan wrote:
> > On Tue, Jan 5, 2021 at 10:41 AM Lai Jiangshan
> > wrote:
> > > On Mon, Jan 4, 2021 at 9:56 PM Peter Zijlstra
> > > wrote:
> > > > On Sat, Dec 26, 2020 at 10:51:11AM
On Tue, Jan 05, 2021 at 04:23:44PM +0800, Lai Jiangshan wrote:
> On Tue, Jan 5, 2021 at 10:41 AM Lai Jiangshan wrote:
> > On Mon, Jan 4, 2021 at 9:56 PM Peter Zijlstra wrote:
> > > On Sat, Dec 26, 2020 at 10:51:11AM +0800, Lai Jiangshan wrote:
> > > > From: Lai Jiangshan
> > > >
> > > >
On Tue, Jan 5, 2021 at 10:41 AM Lai Jiangshan wrote:
>
> On Mon, Jan 4, 2021 at 9:56 PM Peter Zijlstra wrote:
> >
> > On Sat, Dec 26, 2020 at 10:51:11AM +0800, Lai Jiangshan wrote:
> > > From: Lai Jiangshan
> > >
> > > wq_online_cpumask is the cached result of cpu_online_mask with the
> > >
On Tue, Jan 5, 2021 at 10:41 AM Lai Jiangshan wrote:
>
> On Mon, Jan 4, 2021 at 9:56 PM Peter Zijlstra wrote:
> >
> > On Sat, Dec 26, 2020 at 10:51:11AM +0800, Lai Jiangshan wrote:
> > > From: Lai Jiangshan
> > >
> > > wq_online_cpumask is the cached result of cpu_online_mask with the
> > >
On Mon, Jan 4, 2021 at 9:56 PM Peter Zijlstra wrote:
>
> On Sat, Dec 26, 2020 at 10:51:11AM +0800, Lai Jiangshan wrote:
> > From: Lai Jiangshan
> >
> > wq_online_cpumask is the cached result of cpu_online_mask with the
> > going-down cpu cleared.
>
> You can't use cpu_active_mask ?
When a cpu
On Sat, Dec 26, 2020 at 10:51:11AM +0800, Lai Jiangshan wrote:
> From: Lai Jiangshan
>
> wq_online_cpumask is the cached result of cpu_online_mask with the
> going-down cpu cleared.
You can't use cpu_active_mask ?
From: Lai Jiangshan
wq_online_cpumask is the cached result of cpu_online_mask with the
going-down cpu cleared. It is needed for later patches for setting
correct cpumask for workers and break affinity initiatively.
The first usage of wq_online_cpumask is also in this patch.
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