torvalds/linux
torvalds/linux
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Code
5c3485bb12
linux/drivers/infiniband/sw
History
Christoph Hellwig b1e678bf29 RMDA/sw: Don't allow drivers using dma_virt_ops on highmem configs 
dma_virt_ops requires that all pages have a kernel virtual address.
Introduce a INFINIBAND_VIRT_DMA Kconfig symbol that depends on !HIGHMEM
and make all three drivers depend on the new symbol.

Also remove the ARCH_DMA_ADDR_T_64BIT dependency, which has been obsolete
since commit 4965a68780 ("arch: define the ARCH_DMA_ADDR_T_64BIT config
symbol in lib/Kconfig")

Fixes: 551199aca1 ("lib/dma-virt: Add dma_virt_ops")
Link: https://lore.kernel.org/r/20201106181941.1878556-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-11-12 13:27:41 -04:00
..
rdmavt RMDA/sw: Don't allow drivers using dma_virt_ops on highmem configs 2020-11-12 13:27:41 -04:00
rxe RMDA/sw: Don't allow drivers using dma_virt_ops on highmem configs 2020-11-12 13:27:41 -04:00
siw RMDA/sw: Don't allow drivers using dma_virt_ops on highmem configs 2020-11-12 13:27:41 -04:00
Makefile rdma/siw: addition to kernel build environment 2019-07-02 17:03:41 -03:00