On Wed, Aug 28, 2013 at 10:00 AM, Lucas Stach wrote:
> This flag allows userspace to give the kernel a hint that it should use
> a non-snooped resource. To guarantee coherency at all times mappings
> into userspace are done write combined, so userspace should avoid
> reading back from those
Am Mittwoch, den 28.08.2013, 17:11 +1000 schrieb Ben Skeggs:
> On Wed, Aug 28, 2013 at 10:00 AM, Lucas Stach wrote:
> > This flag allows userspace to give the kernel a hint that it should use
> > a non-snooped resource. To guarantee coherency at all times mappings
> > into userspace are done
This flag allows userspace to give the kernel a hint that it should use
a non-snooped resource. To guarantee coherency at all times mappings
into userspace are done write combined, so userspace should avoid
reading back from those resources.
Signed-off-by: Lucas Stach
---
On x86 an optimized
On Wed, Aug 28, 2013 at 10:00 AM, Lucas Stach d...@lynxeye.de wrote:
This flag allows userspace to give the kernel a hint that it should use
a non-snooped resource. To guarantee coherency at all times mappings
into userspace are done write combined, so userspace should avoid
reading back from
Am Mittwoch, den 28.08.2013, 17:11 +1000 schrieb Ben Skeggs:
On Wed, Aug 28, 2013 at 10:00 AM, Lucas Stach d...@lynxeye.de wrote:
This flag allows userspace to give the kernel a hint that it should use
a non-snooped resource. To guarantee coherency at all times mappings
into userspace are
This flag allows userspace to give the kernel a hint that it should use
a non-snooped resource. To guarantee coherency at all times mappings
into userspace are done write combined, so userspace should avoid
reading back from those resources.
Signed-off-by: Lucas Stach d...@lynxeye.de
---
On x86
