netdev - [PATCH 0/2] ioatdma: ring buffer management updates

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Message-ID: <20100511184949.6139.96826.stgit@localhost.localdomain>
Date:	Tue, 11 May 2010 11:51:30 -0700
From:	Dan Williams <dan.j.williams@...el.com>
To:	linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org,
	netdev@...r.kernel.org
Subject: [PATCH 0/2] ioatdma: ring buffer management updates

Two patches targeted at the next merge window affecting the ioatdma
driver (used when NET_DMA and/or ASYNC_TX_DMA+MD_RAID456 are enabled).
According to perf the split locking update improves cpu utilization by a
few percentage points.

---

Dan Williams (2):
      ioat2,3: convert to producer/consumer locking
      ioat: convert to circ_buf


 drivers/dma/ioat/dma.h    |    1 
 drivers/dma/ioat/dma_v2.c |  184 +++++++++++++++++++++++----------------------
 drivers/dma/ioat/dma_v2.h |   33 +++-----
 drivers/dma/ioat/dma_v3.c |  117 +++++++++--------------------
 4 files changed, 142 insertions(+), 193 deletions(-)

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