>>
>> Is anything on a driver to be able to tell when this is actually needed ?
>> How will driver developers know? Can you add a bit of documentation to
>> the API? If its transitive towards a secondary solution indicating so
>> would help driver developers.
>
> I'll plug the io-mapping stuff
On Wed, Oct 26, 2016 at 8:12 AM, Dave Airlie wrote:
>>> Is anything on a driver to be able to tell when this is actually needed ?
>>> How will driver developers know? Can you add a bit of documentation to
>>> the API? If its transitive towards a secondary solution indicating so
>>> would help
On Tue, Oct 25, 2016 at 07:31:29PM +0200, Luis R. Rodriguez wrote:
> On Mon, Oct 24, 2016 at 04:31:45PM +1000, Dave Airlie wrote:
> > A recent change to the mm code in:
> > 87744ab3832b83ba71b931f86f9cfdb000d07da5
> > mm: fix cache mode tracking in vm_insert_mixed()
> >
> > started enforcing
On Mon, Oct 24, 2016 at 04:31:45PM +1000, Dave Airlie wrote:
> A recent change to the mm code in:
> 87744ab3832b83ba71b931f86f9cfdb000d07da5
> mm: fix cache mode tracking in vm_insert_mixed()
>
> started enforcing checking the memory type against the registered list for
> amixed pfn insertion
On Mon, 24 Oct 2016, Dave Airlie wrote:
> A recent change to the mm code in:
> 87744ab3832b83ba71b931f86f9cfdb000d07da5
nit: 12 digits of the SHA1 are sufficient :)
> +int arch_io_reserve_memtype_wc(resource_size_t start, resource_size_t size)
> +{
> + enum page_cache_mode type =
* Dave Airlie wrote:
> A recent change to the mm code in:
> 87744ab3832b83ba71b931f86f9cfdb000d07da5
> mm: fix cache mode tracking in vm_insert_mixed()
>
> started enforcing checking the memory type against the registered list for
> amixed pfn insertion mappings. It happens that the drm
A recent change to the mm code in:
87744ab3832b83ba71b931f86f9cfdb000d07da5
mm: fix cache mode tracking in vm_insert_mixed()
started enforcing checking the memory type against the registered list for
amixed pfn insertion mappings. It happens that the drm drivers for a number
of gpus relied on
A recent change to the mm code in:
87744ab3832b83ba71b931f86f9cfdb000d07da5
mm: fix cache mode tracking in vm_insert_mixed()
started enforcing checking the memory type against the registered list for
amixed pfn insertion mappings. It happens that the drm drivers for a number
of gpus relied on
