linux-kernel - [GIT PULL] more last minute dma-mapping fixes for Linux 6.19

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Message-Id: <20260206115313.3169749-1-m.szyprowski@samsung.com>
Date: Fri,  6 Feb 2026 12:53:13 +0100
From: Marek Szyprowski <m.szyprowski@...sung.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, iommu@...ts.linux.dev, Marek Szyprowski
	<m.szyprowski@...sung.com>, Christoph Hellwig <hch@....de>, Robin Murphy
	<robin.murphy@....com>, Shanker Donthineni <sdonthineni@...dia.com>,
	Deepanshu Kartikey <kartikey406@...il.com>
Subject: [GIT PULL] more last minute dma-mapping fixes for Linux 6.19

The following changes since commit 56c430c7f06d838fe3b2077dbbc4cc0bf992312b:

  dma/pool: distinguish between missing and exhausted atomic pools (2026-01-29 10:23:45 +0100)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux.git tags/dma-mapping-6.19-2026-02-06

for you to fetch changes up to c33efdfcfa6f80e05ce1ee33694c1bad4994cd78:

  dma: contiguous: Check return value of dma_contiguous_reserve_area() (2026-02-02 09:20:32 +0100)

----------------------------------------------------------------
dma-mapping fixes for Linux 6.19

Two minor fixes for DMA-mapping subsystem:
- check for the rare case of the allocation failure of the global CMA pool
  (Shanker Donthineni)
- avoid perf buffer overflow when tracing large scatter-gather lists
  (Deepanshu Kartikey)

----------------------------------------------------------------
Deepanshu Kartikey (1):
      tracing/dma: Cap dma_map_sg tracepoint arrays to prevent buffer overflow

Shanker Donthineni (1):
      dma: contiguous: Check return value of dma_contiguous_reserve_area()

 include/trace/events/dma.h | 25 +++++++++++++++++++------
 kernel/dma/contiguous.c    | 10 ++++++----
 2 files changed, 25 insertions(+), 10 deletions(-)

----------------------------------------------------------------

Thanks!

Best regards
Marek Szyprowski, PhD
Samsung R&D Institute Poland