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authorTakashi Iwai <tiwai@suse.de>2020-06-15 18:00:42 +0200
committerTakashi Iwai <tiwai@suse.de>2020-06-15 18:01:27 +0200
commitd955dab33af4ebff0f6c486da216ebbf590eb7e4 (patch)
tree7add5c9e75462ef1f5d13040088a360afbe81619 /tools/perf/scripts/python/export-to-postgresql.py
parentLinux 5.8-rc1 (diff)
downloadlinux-dev-d955dab33af4ebff0f6c486da216ebbf590eb7e4.tar.xz
linux-dev-d955dab33af4ebff0f6c486da216ebbf590eb7e4.zip
ALSA: pcm: Use dma_mmap_coherent() on x86, too
We avoided the explicit use of dma_mmap_coherent() on x86 because of a spurious warning in x86 APT code in the past. However, this blindly assumes that the pages allocated via dma_alloc_coherent() on x86 are the ones convertible via virt_to_page() (that is used in the default mmap handler), and it's no longer true; with the indirect DMA ops, this can be handled differently. The only certain way for doing mmap such pages is the dma_mmap_coherent(), and the warning seems already gone in the recent code, so let's use it consistently. Link: https://lore.kernel.org/r/20200615160045.2703-2-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
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