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SWIOTLB fixes for 4.20

Robin Murphy linux-arm-kernel linux-iommu lkml 2 versions – In review

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Versions newest first · linked by author and title

  1. v2 Latest2 patches 2 repliesIn review
  2. v12 patches 13 repliesSuperseded

Patches in v2 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/2dma-direct: Make DIRECT_MAPPING_ERROR viable for SWIOTLBinclude/linux/dma-direct.h+1 -10 replies
2/2swiotlb: Skip cache maintenance on map errorkernel/dma/swiotlb.c+2 -11 reply

Reviews trailers per patch

All 2 patches have a Reviewed-by or Acked-by.

PatchJohn StultzKonrad Rzeszutek WilkChristoph HellwigStefano Stabellini
1/2T-b A-b R-b
2/2T-b R-b A-b

Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes. Scroll the table sideways for all 4 reviewers.

Read the v2 thread

Cover letter [PATCH v2 0/2] SWIOTLB fixes for 4.20

Here's a quick v2 addressing Christoph's nits and collecting the tags given so far. I've reproduced my USB problem with a commit prior to the dma-mapping pull, so it looks like the cache maintenance changes are off the hook for that one (and I'll have to venture into USB/UAS territory).

No objection from me if Konrad wants to pick this up instead depending on timing.

Robin.

Robin Murphy (2):
dma-direct: Make DIRECT_MAPPING_ERROR viable for SWIOTLB
swiotlb: Skip cache maintenance on map error

 include/linux/dma-direct.h | 2 +-
 kernel/dma/swiotlb.c       | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)
Signature · 1 line
2.19.1.dirty