Re: [PATCH 4/4] IB: introducing MTHCA_MR_DMABARRIER

From: akepner
Date: Thu Jan 31 2008 - 21:59:10 EST


On Wed, Jan 30, 2008 at 07:00:11PM -0800, Roland Dreier wrote:
> > @@ -72,6 +73,8 @@ static void __ib_umem_release(struct ib_device *dev, struct ib_umem *umem, int d
> > * @addr: userspace virtual address to start at
> > * @size: length of region to pin
> > * @access: IB_ACCESS_xxx flags for memory being pinned
> > + * @dmabarrier: set a "dma barrier" so that in-flight DMA is
> > + * flushed when the memory region is written to
> > */
>
> I see... it seems some of the previous patch snuck in here...

I'll break the next patchset up differently, and also include
mlx4.

--
Arthur

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