]> git.proxmox.com Git - mirror_ubuntu-hirsute-kernel.git/commit
dma-direct: provide function to check physical memory area validity
authorNicolas Saenz Julienne <nsaenzjulienne@suse.de>
Tue, 14 Jul 2020 12:39:25 +0000 (14:39 +0200)
committerChristoph Hellwig <hch@lst.de>
Tue, 14 Jul 2020 13:42:24 +0000 (15:42 +0200)
commit567f6a6eba0c09e5f502e0290e57651befa8aacb
treeffc1568d007cbdfb6740ecac29c11d0e1d3f1d20
parent0dc589da873b58b70f4caf4b070fb0cf70fdd1dc
dma-direct: provide function to check physical memory area validity

dma_coherent_ok() checks if a physical memory area fits a device's DMA
constraints.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
include/linux/dma-direct.h
kernel/dma/direct.c