Re: [PATCH 0/5] iommu/arm-smmu-v3: make smmu can be enabled in kdump kernel

Leizhen (ThunderTown)
2019-02-27T03:25:55Z

Hi Will, Robin:
Do you have time to review these patches? Hope you can give me some opinions.

On 2019/2/19 15:54, Zhen Lei wrote:
> This patch series include two parts:
> 1. Patch1-2 use dummy STE tables with "ste abort" hardware feature to abort unexpected
> devices accessing. For more details, see the description in patch 2.
> 2. If the "ste abort" feature is not support, force the unexpected devices in the
> secondary kernel to use the memory maps which it used in the first kernel. For more
> details, see patch 5.
>
>
> Zhen Lei (5):
> iommu/arm-smmu-v3: make sure the stale caching of L1STD are invalid
> iommu/arm-smmu-v3: make smmu can be enabled in kdump kernel
> iommu/arm-smmu-v3: add macro xxx_SIZE to replace xxx_DWORDS shift
> iommu/arm-smmu-v3: move arm_smmu_get_step_for_sid() a little ahead
> iommu/arm-smmu-v3: workaround for STE abort in kdump kernel
>
> drivers/iommu/arm-smmu-v3.c | 243 +++++++++++++++++++++++++++++++++++---------
> 1 file changed, 194 insertions(+), 49 deletions(-)
>

--
Thanks!
BestRegards