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

[Samuel Thibault]

Andi Kleen, le Sat 23 May 2009 00:14:56 +0200, a écrit :
> > That's what I meant: AIUI, LOCK_PREFIX has always only been used for
> > inter-processor interaction (atomic variables, spinlocks, etc.), not for
> 
> PCI has a locked transaction, but I don't think it's widely supported.
> With normal uncached access it is also not very useful.

I'm not talking about the LOCK prefix.  I'm talking about the
LOCK_PREFIX macro.  I'm saying that AIUI it has never been supposed to
be used for procesor-device interaction, even if the LOCK prefix could
be used for that.

Samuel
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