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Date: Wed, 02 May 2007 15:12:52 -0500 From: Scott Wood <scottwood@...escale.com> To: Kumar Gala <galak@...nel.crashing.org> CC: jgarzik@...ox.com, netdev@...r.kernel.org, linuxppc-dev@...abs.org Subject: Re: [PATCH v2] gianfar: Add I/O barriers when touching buffer descriptor ownership. Kumar Gala wrote: > I'd rather see a wmb() instead of eieio() to keep this code non-ppc > specific. (also, we implement wmb as eieio, so I don't keep the > comment about it being too heavy, unless you mean generically). wmb() is a sync, smp_wmb() is an eieio. Andy told me he would not accept a sync in those spots. And the driver is already ppc-specific; it uses in/out_be32. -Scott - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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