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CVS commit: [ad-audiomp2] src/sys/dev

Module Name:    src
Committed By:   ad
Date:           Sun Dec  7 15:29:35 UTC 2008

Modified Files:
        src/sys/dev [ad-audiomp2]: audio.c audiovar.h

Log Message:
- Serialize changes to filters and audio device settings while a read/write
  is in progress.
- Fix other concurrency issues.
- Convert to use kmem_alloc().
- Don't do evil NOWAIT allocations.
- Don't assume sc_intr_lock is a spinlock.
- Add a comment block about the locking.

To generate a diff of this commit:
cvs rdiff -r1.243.8.1 -r1.243.8.2 src/sys/dev/audio.c
cvs rdiff -r1.45.12.1 -r1.45.12.2 src/sys/dev/audiovar.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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