linux-kernel - [PATCH v4 0/6] Preparation to .map_page and .unmap

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Message-ID: <cover.1758203802.git.leon@kernel.org>
Date: Thu, 18 Sep 2025 17:09:23 +0300
From: Leon Romanovsky <leon@...nel.org>
To: Marek Szyprowski <m.szyprowski@...sung.com>
Cc: Jason Gunthorpe <jgg@...dia.com>,
	iommu@...ts.linux.dev,
	Juergen Gross <jgross@...e.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Russell King <linux@...linux.org.uk>,
	Stefano Stabellini <sstabellini@...nel.org>,
	xen-devel@...ts.xenproject.org
Subject: [PATCH v4 0/6] Preparation to .map_page and .unmap_page removal

Changelog:
v4:
 * Added Jason's ROB tags
 * Added "xen: swiotlb ..." patch to the list of patches which had .map_resource
 * Added extra patch "ARM: dma-mapping: Reduce ..." to remove struct
   page as much as possible.
 * Added call to .map_phys/.unmap_phys to dma_common_*_pages() functions.
v3: https://lore.kernel.org/all/cover.1758006942.git.leon@kernel.org
 * Rewrote the series to allow combination of .map_resource and
 * .map_page
   to one flow.
 * Added two new patches to convert and remove .map_resource.
v2: https://lore.kernel.org/all/cover.1752734252.git.leon@kernel.org/
 * Added default "else" section without map_phys and map_page
   callbacks (impossible).
v1: https://lore.kernel.org/all/cover.1753003879.git.leon@kernel.org
 * Changed "else if" instead of "if".
v0: https://lore.kernel.org/all/cover.1752734252.git.leon@kernel.org
---------------------------------------------------------------------

This is followup to "dma-mapping: migrate to physical address-based API" series
https://lore.kernel.org/all/cover.1757423202.git.leonro@nvidia.com

Thanks

Leon Romanovsky (6):
  dma-mapping: prepare dma_map_ops to conversion to physical address
  dma-mapping: convert dummy ops to physical address mapping
  ARM: dma-mapping: Reduce struct page exposure in arch_sync_dma*()
  ARM: dma-mapping: Switch to physical address mapping callbacks
  xen: swiotlb: Switch to physical address mapping callbacks
  dma-mapping: remove unused mapping resource callbacks

 arch/arm/mm/dma-mapping.c   | 180 +++++++++++-------------------------
 drivers/xen/swiotlb-xen.c   |  63 ++++++-------
 include/linux/dma-map-ops.h |  13 +--
 kernel/dma/dummy.c          |  13 ++-
 kernel/dma/mapping.c        |  20 ++--
 kernel/dma/ops_helpers.c    |  12 ++-
 6 files changed, 113 insertions(+), 188 deletions(-)

-- 
2.51.0