Re: [PATCH v2 0/4] iommu/iova: Add CPU hotplug handler to flush rcaches to core code

From: John Garry
Date: Tue Apr 06 2021 - 04:32:22 EST


On 25/03/2021 17:53, Will Deacon wrote:
On Thu, Mar 25, 2021 at 08:29:57PM +0800, John Garry wrote:
The Intel IOMMU driver supports flushing the per-CPU rcaches when a CPU is
offlined.

Let's move it to core code, so everyone can take advantage.

Also throw in a patch to stop exporting free_iova_fast().

Differences to v1:
- Add RB tags (thanks!)
- Add patch to stop exporting free_iova_fast()
- Drop patch to correct comment
- Add patch to delete iommu_dma_free_cpu_cached_iovas() and associated
changes

John Garry (4):
iova: Add CPU hotplug handler to flush rcaches
iommu/vt-d: Remove IOVA domain rcache flushing for CPU offlining
iommu: Delete iommu_dma_free_cpu_cached_iovas()
iommu: Stop exporting free_iova_fast()
Looks like this is all set for 5.13, so hopefully Joerg can stick it in
-next for a bit more exposure.



Hi Joerg,

Can you kindly consider picking this up now?

Thanks,
John