linux-kernel - [PATCH v3 0/4] net_dma removal, and dma debug extension

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Date:	Mon, 13 Jan 2014 16:46:17 -0800
From:	Dan Williams <dan.j.williams@...el.com>
To:	dmaengine@...r.kernel.org
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 0/4] net_dma removal, and dma debug extension

Follow up patches to 77873803363c "net_dma: mark broken" to remove
net_dma bits and provide debug infrastructure to flag other
get_user_pages() vs dma instances that might violate the dma api.

Will takes this through the dmaengine tree once acked.  Just looking for
an ack to patch 2 at this point.

Changes since v2 [1]:

1/ Keep the 'tcp_' prefix to cleanup_rbuf() in patch 3

2/ Fix up patch 4 according to Andrew's comments:  Added documentation
   and dropped CONFIG_DMA_VS_CPU_DEBUG. [2]

Changes since v1 [3]:

1/ net_dma removal patch has been expanded to revert other
   net_dma induced changes.

2/ updated the debug_dma_assert_idle() api to be gated on
   CONFIG_DMA_VS_CPU_DEBUG

[1]: http://marc.info/?l=linux-netdev&m=138929837129496&w=2
[2]: http://marc.info/?l=linux-netdev&m=138931431901890&w=2
[3]: http://marc.info/?l=linux-netdev&m=138732574814049&w=2

---

Dan Williams (4):
      net_dma: simple removal
      net_dma: revert 'copied_early'
      net: make tcp_cleanup_rbuf private
      dma debug: introduce debug_dma_assert_idle()


 Documentation/ABI/removed/net_dma      |    8 +
 Documentation/networking/ip-sysctl.txt |    6 -
 drivers/dma/Kconfig                    |   12 -
 drivers/dma/Makefile                   |    1 
 drivers/dma/dmaengine.c                |  104 ------------
 drivers/dma/ioat/dma.c                 |    1 
 drivers/dma/ioat/dma.h                 |    7 -
 drivers/dma/ioat/dma_v2.c              |    1 
 drivers/dma/ioat/dma_v3.c              |    1 
 drivers/dma/iovlock.c                  |  280 --------------------------------
 include/linux/dma-debug.h              |    6 +
 include/linux/dmaengine.h              |   22 ---
 include/linux/skbuff.h                 |    8 -
 include/linux/tcp.h                    |    8 -
 include/net/netdma.h                   |   32 ----
 include/net/sock.h                     |   19 --
 include/net/tcp.h                      |    9 -
 kernel/sysctl_binary.c                 |    1 
 lib/Kconfig.debug                      |   12 +
 lib/dma-debug.c                        |  169 ++++++++++++++++++-
 mm/memory.c                            |    3 
 net/core/Makefile                      |    1 
 net/core/dev.c                         |   10 -
 net/core/sock.c                        |    6 -
 net/core/user_dma.c                    |  131 ---------------
 net/dccp/proto.c                       |    4 
 net/ipv4/sysctl_net_ipv4.c             |    9 -
 net/ipv4/tcp.c                         |  149 ++---------------
 net/ipv4/tcp_input.c                   |   83 +--------
 net/ipv4/tcp_ipv4.c                    |   18 --
 net/ipv6/tcp_ipv6.c                    |   13 -
 net/llc/af_llc.c                       |   10 +
 32 files changed, 219 insertions(+), 925 deletions(-)
 create mode 100644 Documentation/ABI/removed/net_dma
 delete mode 100644 drivers/dma/iovlock.c
 delete mode 100644 include/net/netdma.h
 delete mode 100644 net/core/user_dma.c
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