Here you are two patches:

alpha-mb-2.2.diff add the missing mb() to the cores that still lack it
(against 2.2.18pre25)

alpha-mb-2.4.diff add missing defines from core_t2.h for non generic
kernel (against 2.4.0test11)

Please apply on your trees.

I've also noted that 2.4 uses mb() after read[bwlq] while 2.2 don't.
Who's right?

-- 
Abramo Bagnara                       mailto:abramo@alsa-project.org

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It sounds good!