On 02/03/2015 17:04, Ian Campbell wrote:
On Mon, 2015-03-02 at 15:42 +, Julien Grall wrote:
I've just noticed that the support on the previous driver (i.e in
Xen 4.5) may incorrectly expose this feature when all the SMMUs is
not supporting coherent table walk.
I'm not
On Mon, 2015-03-02 at 15:42 +, Julien Grall wrote:
> I've just noticed that the support on the previous driver (i.e in
> Xen 4.5) may incorrectly expose this feature when all the SMMUs is
> not supporting coherent table walk.
>
> I'm not sure, if I should send a patch for it.
On Mon, 2015-03-02 at 15:42 +, Julien Grall wrote:
> When SMMU doesn't support coherent table walk, Xen may need to clean
> updated PT (see commit 4c5f4cb "xen/arm: p2m: Clean cache PT when the
> IOMMU doesn't support coherent walk").
>
> If one SMMU of the platform doesn't support coherent ta
When SMMU doesn't support coherent table walk, Xen may need to clean
updated PT (see commit 4c5f4cb "xen/arm: p2m: Clean cache PT when the
IOMMU doesn't support coherent walk").
If one SMMU of the platform doesn't support coherent table walk, the
feature is disabled for the whole platform. This is
