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(parent: 8057727) | patch
ALSA: pcm: Avoid mmap warnings on x86
authorTakashi Iwai <tiwai@suse.de>
Fri, 24 Oct 2014 10:36:23 +0000 (12:36 +0200)
committerTakashi Iwai <tiwai@suse.de>
Fri, 24 Oct 2014 11:04:24 +0000 (13:04 +0200)
commit49d776ffb50f2e428aafb6a6576e58e80f1e886c
tree2193fc1bad884ead8fb3a8f8d2b01560d29b676atree | snapshot
parent805772708741c7bee00aa8a73177375eee50d7e0commit | diff
ALSA: pcm: Avoid mmap warnings on x86

On x86, using dma_mmap_coherent() for the pages allocated via
dma_alloc_coherent() results in a warning like:
  aplay:32536 map pfn RAM range req uncached-minus for [mem 0x21d500000-0x21d51ffff], got write-back

Until the issue is addressed in the core side, take back to the old
good way in PCM code only for x86.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/core/pcm_native.c diff | blob | history
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