On Sat, Apr 17, 2021 at 04:51:36PM -0700, Paul E. McKenney wrote:
> On Sat, Apr 17, 2021 at 02:47:18PM +0200, Thomas Gleixner wrote:
[ . . . ]
> > > + delta = (s64)((csnow_mid - csnow_begin) & cs->mask);
> > > + if (delta < 0)
> > > + cpumask_set_cpu(cpu,
On Sat, Apr 17, 2021 at 02:47:18PM +0200, Thomas Gleixner wrote:
> On Tue, Apr 13 2021 at 21:36, Paul E. McKenney wrote:
>
> Bah, hit send too quick.
>
> > + cpumask_clear(_ahead);
> > + cpumask_clear(_behind);
> > + preempt_disable();
>
> Daft.
Would migrate_disable() be better?
Yes,
On Sat, Apr 17, 2021 at 02:28:22PM +0200, Thomas Gleixner wrote:
> On Tue, Apr 13 2021 at 21:36, Paul E. McKenney wrote:
> > diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
> > index 1fc0962c89c0..97eeaf164296 100644
> > --- a/arch/x86/kernel/kvmclock.c
> > +++
On Tue, Apr 13 2021 at 21:36, Paul E. McKenney wrote:
Bah, hit send too quick.
> + cpumask_clear(_ahead);
> + cpumask_clear(_behind);
> + preempt_disable();
Daft.
> + testcpu = smp_processor_id();
> + pr_warn("Checking clocksource %s synchronization from CPU %d.\n",
>
On Tue, Apr 13 2021 at 21:36, Paul E. McKenney wrote:
> diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
> index 1fc0962c89c0..97eeaf164296 100644
> --- a/arch/x86/kernel/kvmclock.c
> +++ b/arch/x86/kernel/kvmclock.c
> @@ -169,7 +169,7 @@ struct clocksource kvm_clock = {
>
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