> asm("eieio; sync");

Hmm...
        : : : "memory"

And, doesn't ";" start a comment in assembly? (no, not on powerpc it seems)

Just to make sure, if you replace msync() with another system call,
like "kill(1, 0);" you can verify wether it's really useful or if it's
only acting as a barrier.

/alessandro
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