On 2020-11-25 03:11, Will Deacon wrote:
On Mon, Nov 23, 2020 at 10:35:55PM +0530, Sai Prakash Ranjan wrote:
Add iommu domain attribute for pagetable configuration which
initially will be used to set quirks like for system cache aka
last level cache to be used by client drivers like GPU to set
right attributes for caching the hardware pagetables into the
system cache and later can be extended to include other page
table configuration data.
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx>
---
drivers/iommu/arm/arm-smmu/arm-smmu.c | 20 ++++++++++++++++++++
drivers/iommu/arm/arm-smmu/arm-smmu.h | 1 +
include/linux/io-pgtable.h | 4 ++++
include/linux/iommu.h | 1 +
4 files changed, 26 insertions(+)
Given that we're heading for a v10 to address my comments on patch 3,
then I guess you may as well split this into two patches so that I can
share just the atttibute with Rob rather than the driver parts.
Please keep it all as one series though, with the common parts at the
beginning, and I'll figure it out.
Ok I will split up and send v10.
Thanks,
Sai
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