Re: [RFC] atomic pte updates and pae changes, take 2

From: Ingo Molnar (mingo@redhat.com)
Date: Sun Oct 15 2000 - 07:07:41 EST


On Fri, 13 Oct 2000, Linus Torvalds wrote:

> Ingo, I'd like you to comment on all the PAE issues just in case, but
> I personally don't have any real issues any more. [...]

there is one small thing apart of the issue Stephen noticed, barrier()
between the two 32-bit writes should IMO be smp_wmb() instead. It should
not make any difference on current x86 CPUs, but if any future x86 SMP
implementation relaxes memory ordering, it will be easier to sort things
out.

        Ingo

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