linux/Documentation/x86
Linus Torvalds c993e07be0 dma-mapping updates
- convert arm32 to the common dma-direct code (Arnd Bergmann, Robin Murphy,
    Christoph Hellwig)
  - restructure the PCIe peer to peer mapping support (Logan Gunthorpe)
  - allow the IOMMU code to communicate an optional DMA mapping length
    and use that in scsi and libata (John Garry)
  - split the global swiotlb lock (Tianyu Lan)
  - various fixes and cleanup (Chao Gao, Dan Carpenter, Dongli Zhang,
    Lukas Bulwahn, Robin Murphy)
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Merge tag 'dma-mapping-5.20-2022-08-06' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - convert arm32 to the common dma-direct code (Arnd Bergmann, Robin
   Murphy, Christoph Hellwig)

 - restructure the PCIe peer to peer mapping support (Logan Gunthorpe)

 - allow the IOMMU code to communicate an optional DMA mapping length
   and use that in scsi and libata (John Garry)

 - split the global swiotlb lock (Tianyu Lan)

 - various fixes and cleanup (Chao Gao, Dan Carpenter, Dongli Zhang,
   Lukas Bulwahn, Robin Murphy)

* tag 'dma-mapping-5.20-2022-08-06' of git://git.infradead.org/users/hch/dma-mapping: (45 commits)
  swiotlb: fix passing local variable to debugfs_create_ulong()
  dma-mapping: reformat comment to suppress htmldoc warning
  PCI/P2PDMA: Remove pci_p2pdma_[un]map_sg()
  RDMA/rw: drop pci_p2pdma_[un]map_sg()
  RDMA/core: introduce ib_dma_pci_p2p_dma_supported()
  nvme-pci: convert to using dma_map_sgtable()
  nvme-pci: check DMA ops when indicating support for PCI P2PDMA
  iommu/dma: support PCI P2PDMA pages in dma-iommu map_sg
  iommu: Explicitly skip bus address marked segments in __iommu_map_sg()
  dma-mapping: add flags to dma_map_ops to indicate PCI P2PDMA support
  dma-direct: support PCI P2PDMA pages in dma-direct map_sg
  dma-mapping: allow EREMOTEIO return code for P2PDMA transfers
  PCI/P2PDMA: Introduce helpers for dma_map_sg implementations
  PCI/P2PDMA: Attempt to set map_type if it has not been set
  lib/scatterlist: add flag for indicating P2PDMA segments in an SGL
  swiotlb: clean up some coding style and minor issues
  dma-mapping: update comment after dmabounce removal
  scsi: sd: Add a comment about limiting max_sectors to shost optimal limit
  ata: libata-scsi: cap ata_device->max_sectors according to shost->max_sectors
  scsi: scsi_transport_sas: cap shost opt_sectors according to DMA optimal limit
  ...
2022-08-06 10:56:45 -07:00
..
i386 Documentation: x86: convert i386/IO-APIC.txt to reST 2019-05-08 14:34:11 -06:00
x86_64 dma-mapping updates 2022-08-06 10:56:45 -07:00
amd_hsmp.rst Documentation: Add x86/amd_hsmp driver 2022-03-02 11:42:36 +01:00
amd-memory-encryption.rst x86/msr: Rename MSR_K8_SYSCFG to MSR_AMD64_SYSCFG 2021-05-10 07:51:38 +02:00
boot.rst docs: x86: avoid using ReST :doc:foo markup 2021-06-17 13:24:39 -06:00
booting-dt.rst dt: Remove booting-without-of.rst 2020-10-13 13:33:16 -05:00
buslock.rst Documentation/x86: Add ratelimit in buslock.rst 2021-05-18 16:39:31 +02:00
cpuinfo.rst x86/cpu: Remove "nosmep" 2022-04-04 10:17:00 +02:00
earlyprintk.rst Documentation: x86: earlyprintk: drop doubled words 2020-07-13 09:47:38 -06:00
elf_auxvec.rst x86/elf: Support a new ELF aux vector AT_MINSIGSTKSZ 2021-05-19 12:18:45 +02:00
entry_64.rst docs: use the lore redirector everywhere 2021-10-12 13:58:19 -06:00
exception-tables.rst Documentation: x86: Fix obsolete name of page fault handler 2022-04-05 10:28:36 -06:00
features.rst docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
ifs.rst Documentation: In-Field Scan 2022-05-12 15:35:29 +02:00
index.rst It was a moderately busy cycle for documentation; highlights include: 2022-05-25 11:17:41 -07:00
intel_txt.rst docs: x86: move two x86-specific files to x86 arch dir 2019-07-15 11:03:01 -03:00
intel-hfi.rst x86/Documentation: Describe the Intel Hardware Feedback Interface 2022-02-03 19:50:48 +01:00
iommu.rst Documentation: x86: rework IOMMU documentation 2022-04-28 07:59:45 -06:00
kernel-stacks.rst Some late arriving documentation changes. In particular, this contains the 2019-05-10 13:24:53 -04:00
mds.rst x86/speculation/mds: Improve CPU buffer clear documentation 2019-05-16 09:05:12 +02:00
microcode.rst Documentation: x86: convert microcode.txt to reST 2019-05-08 14:34:11 -06:00
mtrr.rst docs: x86: avoid using ReST :doc:foo markup 2021-06-17 13:24:39 -06:00
orc-unwinder.rst objtool: update objtool.txt references 2022-07-07 13:10:00 -06:00
pat.rst remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
pti.rst Documentation: x86: convert pti.txt to reST 2019-05-08 14:34:10 -06:00
resctrl.rst Documentation/x86: Rename resctrl_ui.rst and add two errata to the file 2020-10-27 16:47:00 +01:00
sgx.rst Documentation/x86: Introduce enclave runtime management section 2022-07-07 10:13:03 -07:00
sva.rst Documentation/x86: Update documentation for SVA (Shared Virtual Addressing) 2022-02-15 11:31:43 +01:00
tdx.rst Documentation/x86: Document TDX kernel architecture 2022-04-08 06:57:09 -07:00
tlb.rst Documentation: x86: convert tlb.txt to reST 2019-05-08 14:34:10 -06:00
topology.rst x86/CPU/AMD: Save AMD NodeId as cpu_die_id 2020-11-19 11:43:13 +01:00
tsx_async_abort.rst x86/speculation/taa: Add documentation for TSX Async Abort 2019-10-28 08:37:00 +01:00
usb-legacy-support.rst Documentation: x86: convert usb-legacy-support.txt to reST 2019-05-08 14:34:11 -06:00
xstate.rst x86/fpu: Optimize out sigframe xfeatures when in init state 2021-11-03 22:42:35 +01:00
zero-page.rst x86/boot: Add a pointer to Confidential Computing blob in bootparams 2022-04-07 16:47:11 +02:00