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| author |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-03-24 20:50:06 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-03-30 10:44:00 +1100 |
| commit | 6090912c4abcfc6c81b156cf2bb4cda23ae6e847 (patch) | |
| tree | 9bddd5b697883f706a53ef0413181845bb735250 /tools/perf/scripts/python/futex-contention.py | |
| parent | powerpc/nvram: Don't overwrite oops/panic report on normal shutdown (diff) | |
| download | linux-dev-6090912c4abcfc6c81b156cf2bb4cda23ae6e847.tar.xz linux-dev-6090912c4abcfc6c81b156cf2bb4cda23ae6e847.zip | |
powerpc: Implement dma_mmap_coherent()
This is used by Alsa to mmap buffers allocated with dma_alloc_coherent()
into userspace. We need a special variant to handle machines with
non-coherent DMAs as those buffers have "special" virt addresses and
require non-cachable mappings
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
0 files changed, 0 insertions, 0 deletions