linux-kernel - Re: [PATCH 4/4] IB: introducing MTHCA_MR

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Message-ID: <20080201025728.GA28899@sgi.com>
Date:	Thu, 31 Jan 2008 18:57:28 -0800
From:	akepner@....com
To:	Roland Dreier <rdreier@...co.com>
Cc:	Tony Luck <tony.luck@...el.com>,
	Grant Grundler <grundler@...isc-linux.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Jes Sorensen <jes@....com>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	David Miller <davem@...emloft.net>,
	Muli Ben-Yehuda <muli@...ibm.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] IB: introducing MTHCA_MR_DMABARRIER

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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