On Mon, Jun 8, 2020 at 5:33 PM Rafael J. Wysocki wrote:
>
> On Saturday, June 6, 2020 8:56:26 AM CEST Rafael J. Wysocki wrote:
> > On Fri, Jun 5, 2020 at 7:09 PM Dan Williams
> > wrote:
> > >
> > > On Fri, Jun 5, 2020 at 7:06 AM Rafael J. Wysocki
> > > wrote:
> > > >
> > > > From: Rafael J.
On Saturday, June 6, 2020 8:56:26 AM CEST Rafael J. Wysocki wrote:
> On Fri, Jun 5, 2020 at 7:09 PM Dan Williams wrote:
> >
> > On Fri, Jun 5, 2020 at 7:06 AM Rafael J. Wysocki wrote:
> > >
> > > From: Rafael J. Wysocki
> > > Subject: [PATCH] ACPI: OSL: Use rwlock instead of RCU for memory
> >
On Fri, Jun 5, 2020 at 7:09 PM Dan Williams wrote:
>
> On Fri, Jun 5, 2020 at 7:06 AM Rafael J. Wysocki wrote:
> >
> > From: Rafael J. Wysocki
> > Subject: [PATCH] ACPI: OSL: Use rwlock instead of RCU for memory management
> >
> > The ACPI OS layer uses RCU to protect the list of ACPI memory
>
On Fri, Jun 5, 2020 at 9:40 PM Andy Shevchenko
wrote:
>
> On Fri, Jun 5, 2020 at 5:11 PM Rafael J. Wysocki wrote:
>
> ...
>
> > + if (!refcount) {
> > + write_lock_irq(_ioremaps_list_lock);
> > +
> > + list_del(>list);
> > +
> > +
On Fri, Jun 5, 2020 at 5:11 PM Rafael J. Wysocki wrote:
...
> + if (!refcount) {
> + write_lock_irq(_ioremaps_list_lock);
> +
> + list_del(>list);
> +
> + write_unlock_irq(_ioremaps_list_lock);
> + }
> return refcount;
It seems we
On Fri, Jun 5, 2020 at 7:06 AM Rafael J. Wysocki wrote:
>
> From: Rafael J. Wysocki
> Subject: [PATCH] ACPI: OSL: Use rwlock instead of RCU for memory management
>
> The ACPI OS layer uses RCU to protect the list of ACPI memory
> mappings from being walked while it is updated. Among other
>
From: Rafael J. Wysocki
Subject: [PATCH] ACPI: OSL: Use rwlock instead of RCU for memory management
The ACPI OS layer uses RCU to protect the list of ACPI memory
mappings from being walked while it is updated. Among other
situations, that list can be walked in non-NMI interrupt context,
so
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