linux/kernel/dma
Michael S. Tsirkin d5d8465131 dma-debug: track cache clean flag in entries
If a driver is buggy and has 2 overlapping mappings but only
sets cache clean flag on the 1st one of them, we warn.
But if it only does it for the 2nd one, we don't.

Fix by tracking cache clean flag in the entry.

Message-ID: <0ffb3513d18614539c108b4548cdfbc64274a7d1.1767601130.git.mst@redhat.com>
Reviewed-by: Petr Tesarik <ptesarik@suse.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2026-01-02 06:22:49 -05:00
..
coherent.c dma-coherent: Warn if OF reserved memory is beyond current coherent DMA mask 2025-04-22 17:44:09 +02:00
contiguous.c dma: contiguous: Reserve default CMA heap 2025-10-18 21:31:21 +05:30
debug.c dma-debug: track cache clean flag in entries 2026-01-02 06:22:49 -05:00
debug.h dma-mapping: export new dma_*map_phys() interface 2025-09-12 00:18:21 +02:00
direct.c VFIO updates for v6.19-rc1 2025-12-04 18:42:48 -08:00
direct.h dma-mapping: convert dma_direct_*map_page to be phys_addr_t based 2025-09-12 00:18:20 +02:00
dummy.c dma-mapping: convert dummy ops to physical address mapping 2025-10-29 10:27:29 +01:00
Kconfig dma-debug: remove DMA_API_DEBUG_SG 2024-10-29 08:53:37 +01:00
Makefile dma-mapping: clearly mark DMA ops as an architecture feature 2024-09-04 07:08:51 +03:00
map_benchmark.c tools/dma: move dma_map_benchmark from selftests to tools/dma 2025-10-29 09:41:40 +01:00
mapping.c dma-mapping: remove unused map_page callback 2025-10-29 10:27:31 +01:00
ops_helpers.c dma-mapping: remove unused map_page callback 2025-10-29 10:27:31 +01:00
pool.c dma/pool: eliminate alloc_pages warning in atomic_pool_expand 2025-12-08 09:40:57 +01:00
remap.c dma-remap: drop nth_page() in dma_common_contiguous_remap() 2025-09-21 14:22:06 -07:00
swiotlb.c mm: make INVALID_PHYS_ADDR a generic macro 2025-11-16 17:28:26 -08:00