Linus Torvalds
2f43193b88
Merge tags 'dma-mapping-7.3-2026-08-24' and 'dma-mapping-7.3-2026-08-24-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux
...
Pull dma-mapping updates from Marek Szyprowski:
- swiotlb:
- new configuration option for the default pool size
(Jagadeesh Pagadala)
- reduce overhead for high watermark tracking (chenhuguanshen)
- minor code cleanups and improvements (Vova Sharaienko, Honglei Huang
and Marek Szyprowski)
- add proper tracking of the shared DMA state through direct, pool and
swiotlb paths (Aneesh Kumar K.V)
This is important for confidential-computing
* tag 'dma-mapping-7.3-2026-08-24' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
dma/swiotlb: decouple high watermark tracking from CONFIG_DEBUG_FS
MAINTAINERS: update tree for DMA MAPPING HELPERS
dma/swiotlb: introduce Kconfig option for compile-time default pool size
dma-direct: Improve readability of the dma_direct_map_sg() for P2PDMA case
iommu/dma: simplify dma_iova_destroy() and drop the free_iova helper
dma-coherent: use KiB in DMA allocation logs
dma-coherent: fix spacing coding style issue
* tag 'dma-mapping-7.3-2026-08-24-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux: (23 commits)
swiotlb: remove unused SWIOTLB_FORCE flag
dma: swiotlb: handle set_memory_decrypted() failures
dma: swiotlb: free dynamic pools from process context
dma-direct: rename ret to cpu_addr in alloc helpers
dma-direct: select DMA address encoding from __DMA_ATTR_ALLOC_CC_SHARED
dma-direct: set decrypted flag for remapped DMA allocations
dma-direct: make dma_direct_map_phys() honor DMA_ATTR_CC_SHARED
dma-direct: Move dma_direct_map_phys() to dma/direct.c
dma-direct: pass attrs to dma_capable() for DMA_ATTR_CC_SHARED checks
dma-mapping: make dma_pgprot() honor __DMA_ATTR_ALLOC_CC_SHARED
dma: swiotlb: track pool encryption state and honor DMA_ATTR_CC_SHARED
dma: swiotlb: pass mapping attributes by reference
dma-pool: track decrypted atomic pools and select them via attrs
dma-direct: use __DMA_ATTR_ALLOC_CC_SHARED in alloc/free paths
dma-mapping: Add internal shared allocation attribute
coco: arm64: s390: powerpc: Mark secure guests with CC_ATTR_GUEST_MEM_ENCRYPT
dma-direct: swiotlb: handle swiotlb alloc/free outside __dma_direct_alloc_pages
s390: Expose protected virtualization through cc_platform_has()
swiotlb: Preserve allocation virtual address for dynamic pools
dma: free atomic pool pages by physical address
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