aboutsummaryrefslogtreecommitdiff
path: root/Documentation/kernel-parameters.txt
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-04-19 10:54:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-04-19 10:54:44 -0700
commit71460af58f8565110160283849db4d6bf7e1efa1 (patch)
tree79e639b40228bfb9dba1ae424a7fea0ca74a1b98 /Documentation/kernel-parameters.txt
parentf28c6179e5d8793bbeaceaef15fbbedcb2745f3b (diff)
Revert "[media] V4L: videobuf, don't use dma addr as physical"
This reverts commit 35d9f510b67b10338161aba6229d4f55b4000f5b. Quoth Jiri Slaby: "It fixes mmap when IOMMU is used on x86 only, but breaks architectures like ARM or PPC where virt_to_phys(dma_alloc_coherent) doesn't work. We need there dma_mmap_coherent or similar (the trickery what snd_pcm_default_mmap does but in some saner way). But this cannot be done at this phase." Requested-by: Jiri Slaby <jslaby@suse.cz> Cc: Russell King - ARM Linux <linux@arm.linux.org.uk> Cc: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
0 files changed, 0 insertions, 0 deletions