RE: [PATCH -mm 5/6] cpu_relax(): use in ACPI lock

From: Moore, Robert
Date: Wed Jun 21 2006 - 21:39:44 EST


Loop may be correctly waiting for the owner/pending bit to be set, just
checking, I don't remember all the bit values.

> -----Original Message-----
> From: linux-acpi-owner@xxxxxxxxxxxxxxx [mailto:linux-acpi-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Moore, Robert
> Sent: Wednesday, June 21, 2006 2:09 PM
> To: Andreas Mohr; Andrew Morton
> Cc: Brown, Len; linux-acpi@xxxxxxxxxxxxxxx;
linux-kernel@xxxxxxxxxxxxxxx
> Subject: RE: [PATCH -mm 5/6] cpu_relax(): use in ACPI lock
>
> I may be interpreting this incorrectly, but are you busy-waiting on
the
> ACPI Global Lock to become free?
>
> Bob
>
>
> > -----Original Message-----
> > From: linux-acpi-owner@xxxxxxxxxxxxxxx [mailto:linux-acpi-
> > owner@xxxxxxxxxxxxxxx] On Behalf Of Andreas Mohr
> > Sent: Wednesday, June 21, 2006 2:01 PM
> > To: Andrew Morton
> > Cc: Brown, Len; linux-acpi@xxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx
> > Subject: [PATCH -mm 5/6] cpu_relax(): use in ACPI lock
> >
> >
> > Use cpu_relax() in __acpi_acquire_global_lock() etc.
> >
> >
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