Messages in this thread | | | From | David Howells <> | Subject | Re: [PATCH] Document Linux's memory barriers [try #2] | Date | Wed, 08 Mar 2006 19:31:42 +0000 |
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Linus Torvalds <torvalds@osdl.org> wrote:
> Actually, since the different NUMA things may have different paths to the > PCI thing, I don't think even the mmiowb() will really help. It has > nothing to serialize _with_.
On NUMA PowerPC, should mmiowb() be a SYNC or an EIEIO instruction then? Those do inter-component synchronisation.
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