[alsa-devel] dmix and mmap

Timur Tabi timur at freescale.com
Mon May 4 18:57:20 CEST 2009

On Fri, May 1, 2009 at 6:32 AM, Mark Brown <broonie at sirena.org.uk> wrote:
> I know that there were some problems with PowerPC memory access,
> unfortunately I don't know any specifics or if these issues are fixed in
> current kernels.  Searching for postings by Takashi Iwai on the PowerPC
> kernel lists might turn something up.

The PowerPC MPC8610 drivers enable mmap support, and it seems to work,
but that chip has a coherent MMU.  I've never done a definitive test
that it works, though.  What's the easiest way to test mmap?

Timur Tabi
Linux kernel developer at Freescale

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