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| author | Robin Murphy <robin.murphy@arm.com> | 2023-06-12 16:31:56 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-06-19 16:19:22 -0700 |
| commit | af2880ec44021d32cc72a5aa7c5d7d7beaa722d3 (patch) | |
| tree | 8d3bb64042594fd30da9766d9bb458d37eca890f /kernel | |
| parent | 9382bc44b5f58ccee375f08f518e53c0280051dc (diff) | |
| download | linux-stable-af2880ec44021d32cc72a5aa7c5d7d7beaa722d3.tar.gz linux-stable-af2880ec44021d32cc72a5aa7c5d7d7beaa722d3.tar.bz2 linux-stable-af2880ec44021d32cc72a5aa7c5d7d7beaa722d3.zip | |
scatterlist: add dedicated config for DMA flags
The DMA flags field will be useful for users beyond PCI P2P, so upgrade to
its own dedicated config option.
[catalin.marinas@arm.com: use #ifdef CONFIG_NEED_SG_DMA_FLAGS in scatterlist.h]
[catalin.marinas@arm.com: update PCI_P2PDMA dma_flags comment in scatterlist.h]
Link: https://lkml.kernel.org/r/20230612153201.554742-13-catalin.marinas@arm.com
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Isaac J. Manjarres <isaacmanjarres@google.com>
Cc: Alasdair Kergon <agk@redhat.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jerry Snitselaar <jsnitsel@redhat.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Logan Gunthorpe <logang@deltatee.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Mike Snitzer <snitzer@kernel.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Saravana Kannan <saravanak@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/dma/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig index 6677d0e64d27..acc6f231259c 100644 --- a/kernel/dma/Kconfig +++ b/kernel/dma/Kconfig @@ -24,6 +24,9 @@ config DMA_OPS_BYPASS config ARCH_HAS_DMA_MAP_DIRECT bool +config NEED_SG_DMA_FLAGS + bool + config NEED_SG_DMA_LENGTH bool |