Messages in this thread | | | Subject | Re: [PATCH] Define wc_wmb, a write barrier for PCI write combining | From | Roland Dreier <> | Date | Wed, 01 Mar 2006 09:04:29 -0800 |
| |
Jes> Anyway, based on Jesse and Jeremy's comments, then maybe the Jes> semantics here are different. However I do think the name Jes> wc_wmb() isn't quite defining it. If it's only to be used on Jes> mmio space, something like mmio_wc_wmb() would probably be Jes> more descriptive.
I don't see any restriction to MMIO space -- it would be a strange thing to do, but conceivable one might want to order writes that are made to ordinary RAM via a write-combining mapping.
- R. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |