Re: [PATCH 0/4] allow drivers to flush in-flight DMA

From: akepner
Date: Thu Sep 27 2007 - 20:28:47 EST

On Wed, Sep 26, 2007 at 12:49:50AM -0600, Grant Grundler wrote:

[edited out several points that I think have been already
addresed by others in this thread.]

> ....
> Defining it terms of completion queues won't mean much to most folks.
> Better to add a description of completion queues to the DMA-API.txt if
> necessary. dma_alloc_coherent() API is pretty well understood.

OK, next time I'll use a more generic description.

> > There are four patches in this set:
> >
> > [1/4] dma: add dma_flags_set_dmaflush() to dma interface
> Sorry - this feels like a "color of the shed" argument, but isn't
> this about DMA ordering attribute?
> "dmaflush" is an action and not an attribute to me.

Right - an attribute is a noun, not a verb. I'm going to try
"s/dmaflush/dmabarrier/" in the next version.

> ....
> This patch updates Documentation/DMA-mapping.txt. But it's a change to
> the generic (not PCI specific) API described in DMA-API.txt.
> Can you update that as well please?

Ja, I realized that soon after hitting the send button. I'll
move the documentation to DMA-API.txt.


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