On Thu, Dec 17, 2020 at 03:36:40PM +0100, Peter Zijlstra wrote:
> On Wed, Dec 09, 2020 at 06:33:37PM +, Mark Rutland wrote:
> > This means that a seuence such as:
>
> +q
>
> > diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
> > index 3ed4e8771b64..bca3c6fa8270 100644
> > ---
On Wed, Dec 09, 2020 at 06:33:37PM +, Mark Rutland wrote:
> This means that a seuence such as:
+q
> diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
> index 3ed4e8771b64..bca3c6fa8270 100644
> --- a/include/linux/irqflags.h
> +++ b/include/linux/irqflags.h
> @@ -220,10
On Wed, Dec 09, 2020 at 11:05:21AM -0800, Andy Lutomirski wrote:
> On Wed, Dec 9, 2020 at 10:33 AM Mark Rutland wrote:
> > diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
> > index 3ed4e8771b64..bca3c6fa8270 100644
> > --- a/include/linux/irqflags.h
> > +++
On Wed, Dec 9, 2020 at 10:33 AM Mark Rutland wrote:
>
> We generally expect local_irq_save() and local_irq_restore() to be
> paired and sanely nested, and so local_irq_restore() expects to be
> called with irqs disabled. Thus, within local_irq_restore() we only
> trace irq flag changes when
We generally expect local_irq_save() and local_irq_restore() to be
paired and sanely nested, and so local_irq_restore() expects to be
called with irqs disabled. Thus, within local_irq_restore() we only
trace irq flag changes when unmasking irqs.
This means that a seuence such as:
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