Thread (32 messages) flat view 32 messages, 9 authors, 2020-10-13

Re: [PATCH v3 3/8] iommu/arm-smmu: Consult context bank allocator for identify domains

From: Sai Prakash Ranjan <hidden>
Date: 2020-09-11 08:22:54

On 2020-09-04 21:25, Bjorn Andersson wrote:
For implementations of the ARM SMMU where stream mappings of bypass 
type
are prohibited identity domains can be implemented by using context
banks with translation disabled.

Postpone the decision to skip allocating a context bank until the
implementation specific context bank allocator has been consulted and 
if
it decides to use a context bank for the identity map, don't enable
translation (i.e. omit ARM_SMMU_SCTLR_M).

Signed-off-by: Bjorn Andersson <redacted>
---
Minor nit in the subject: identify -> identity

Reviewed-by: Sai Prakash Ranjan <redacted>
Tested-by: Sai Prakash Ranjan <redacted>

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