linux/include/trace
Linus Torvalds 2f43193b88 dma-mapping updates for Linux 7.3:
- swiotlb: added new configuration option for the default pool size
 (Jagadeesh Pagadala) and reduced overhead for high watermark tracking
 (chenhuguanshen)
 
 - minor code cleanups and improvements (Vova Sharaienko, Honglei Huang
 and Marek Szyprowski)
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mergetag object 04a19b35dc
 type commit
 tag dma-mapping-7.3-2026-08-24-2
 tagger Marek Szyprowski <m.szyprowski@samsung.com> 1787582472 +0200
 
 second dma-mapping update for Linux 7.3:
 
 - important dma-mapping update for confidential-computing, which adds
 proper tracking of the shared DMA state through direct, pool and swiotlb
 paths (Aneesh Kumar K.V)
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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
  ...
2026-08-24 11:35:46 -07:00
..
events dma-mapping updates for Linux 7.3: 2026-08-24 11:35:46 -07:00
misc fsnotify: new tracepoint in fsnotify() 2026-05-15 19:24:33 +02:00
stages mm.git review status for linus..mm-stable 2026-04-15 12:59:16 -07:00
bpf_probe.h bpf: Add sleepable support for raw tracepoint programs 2026-04-22 22:44:24 +02:00
define_custom_trace.h
define_remote_events.h tracing: Add helpers to create trace remote events 2026-03-09 12:33:54 -04:00
define_trace.h tracepoint: Have tracepoints created with DECLARE_TRACE() have _tp suffix 2025-05-14 11:19:32 -04:00
perf.h tracing: perf: Have perf tracepoint callbacks always disable preemption 2026-01-30 10:43:35 -05:00
syscall.h tracing: Display some syscall arrays as strings 2025-10-28 20:10:58 -04:00
trace_custom_events.h
trace_events.h tracing: Make per-template BTF id lists file-local 2026-08-05 22:02:29 -04:00