Re: [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic

[Andi Kleen]

> > - You got bus master DMA in your test machine?
> 
> That's not related to the LOCK_PREFIX concern, which is about the
> processor only, not interaction with other devices.

Actually it's related to other devices; but only very few (most MMIO
doesn't support atomic cycles and is uncached anyways). But there's no driver 
for real hardware in Linux that relies on it to my knowledge.

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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