mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Binoy Jayan <binoy.jayan@linaro.org>
To: Doug Ledford <dledford@redhat.com>,
	Sean Hefty <sean.hefty@intel.com>,
	Sagi Grimberg <sagi@grimberg.me>,
	Hal Rosenstock <hal.rosenstock@gmail.com>,
	Leon Romanovsky <leonro@mellanox.com>,
	Sagi Grimberg <sagig@mellanox.com>,
	Bart Van Assche <bart.vanassche@sandisk.com>,
	Nicholas Bellinger <nab@linux-iscsi.org>,
	Jenny Derzhavetz <jennyf@mellanox.com>,
	Ira Weiny <ira.weiny@intel.com>,
	Steve Wise <swise@opengridcomputing.com>,
	Mark Bloch <markb@mellanox.com>,
	Tatyana E Nikolova <tatyana.e.nikolova@intel.com>,
	Matan Barak <matanb@mellanox.com>, Lijun Ou <oulijun@huawei.com>,
	"Wei Hu(Xavier)" <xavier.huwei@huawei.com>
Cc: Faisal Latif <faisal.latif@intel.com>,
	Mustafa Ismail <mustafa.ismail@intel.com>,
	Mark Brown <broonie@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
	target-devel@vger.kernel.org,
	Binoy Jayan <binoy.jayan@linaro.org>
Subject: [PATCH v5 0/9] infiniband: Remove semaphores
Date: Mon, 21 Nov 2016 11:38:07 +0530	[thread overview]
Message-ID: <1479708496-9828-1-git-send-email-binoy.jayan@linaro.org> (raw)


Hi,

These are a set of patches [v5] which removes semaphores from infiniband.
These are part of a bigger effort to eliminate all semaphores from the
linux kernel.

v4 --> v5
---------
IB/isert: Replace semaphore sem with completion
  - Modified changelog to support use of completion
IB/mlx5: Simplify completion into a wait_event
  - Avoid this patch.
    As umr_context is on the stack, and we are waiting
    for it to be fully done, it really should be a completion.

v3 -> v4:
---------

IB/mlx5: Added patch - Replace semaphore umr_common:sem with wait_event
IB/mlx5: Fixed a bug pointed out by Leon Romanovsky

v2 -> v3:
---------

IB/mlx5: Move '&umr_context' into helper fn
IB/mthca: Restructure mthca_cmd.c to manage free_head
IB/hns: Restructure hns_roce_cmd.c to manage free_head
IB/core: Convert completion to wait_event
IB/mlx5: Simplify completion into a wait_event

v1 -> v2:
---------

IB/hns   : Use wait_event instead of open coding counting semaphores
IB/mthca : Use wait_event instead of open coding counting semaphores
IB/mthca : Remove mutex_[un]lock from *_cmd_use_events/*_cmd_use_polling
IB/mlx5  : Cleanup, add helper mlx5_ib_post_send_wait

v1
---------
  IB/core: iwpm_nlmsg_request: Replace semaphore with completion
  IB/core: Replace semaphore sm_sem with completion
  IB/hns: Replace semaphore poll_sem with mutex
  IB/mthca: Replace semaphore poll_sem with mutex
  IB/isert: Replace semaphore sem with completion
  IB/hns: Replace counting semaphore event_sem with wait condition
  IB/mthca: Replace counting semaphore event_sem with wait condition
  IB/mlx5: Replace counting semaphore sem with wait condition

Thanks,
Binoy

Binoy Jayan (9):
  IB/core: iwpm_nlmsg_request: Replace semaphore with completion
  IB/core: Replace semaphore sm_sem with an atomic wait
  IB/hns: Replace semaphore poll_sem with mutex
  IB/mthca: Replace semaphore poll_sem with mutex
  IB/isert: Replace semaphore sem with completion
  IB/hns: Replace counting semaphore event_sem with wait_event
  IB/mthca: Replace counting semaphore event_sem with wait_event
  IB/mlx5: Add helper mlx5_ib_post_send_wait
  IB/mlx5: Replace semaphore umr_common:sem with wait_event

 drivers/infiniband/core/iwpm_msg.c          |   8 +-
 drivers/infiniband/core/iwpm_util.c         |   7 +-
 drivers/infiniband/core/iwpm_util.h         |   3 +-
 drivers/infiniband/core/user_mad.c          |  20 +++--
 drivers/infiniband/hw/hns/hns_roce_cmd.c    |  57 +++++++++-----
 drivers/infiniband/hw/hns/hns_roce_device.h |   5 +-
 drivers/infiniband/hw/mlx5/main.c           |   6 +-
 drivers/infiniband/hw/mlx5/mlx5_ib.h        |   7 +-
 drivers/infiniband/hw/mlx5/mr.c             | 117 ++++++++--------------------
 drivers/infiniband/hw/mthca/mthca_cmd.c     |  57 ++++++++------
 drivers/infiniband/hw/mthca/mthca_cmd.h     |   1 +
 drivers/infiniband/hw/mthca/mthca_dev.h     |   5 +-
 drivers/infiniband/ulp/isert/ib_isert.c     |   6 +-
 drivers/infiniband/ulp/isert/ib_isert.h     |   3 +-
 14 files changed, 147 insertions(+), 155 deletions(-)

-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

             reply	other threads:[~2016-11-21  6:08 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-21  6:08 Binoy Jayan [this message]
2016-11-21  6:08 ` [PATCH v5 1/9] IB/core: iwpm_nlmsg_request: Replace semaphore with completion Binoy Jayan
2016-11-21  6:08 ` [PATCH v5 2/9] IB/core: Replace semaphore sm_sem with an atomic wait Binoy Jayan
     [not found]   ` <CA+55aFxGjaqduhRCyk0mVxEA7aqQ-omdG8SBreZ=x5cW2ovngQ@mail.gmail.com>
2016-11-21 16:52     ` Arnd Bergmann
2016-11-21 16:57       ` Christoph Hellwig
2016-11-21 17:57       ` Linus Torvalds
2016-11-21 22:51         ` Arnd Bergmann
2016-11-21  6:08 ` [PATCH v5 3/9] IB/hns: Replace semaphore poll_sem with mutex Binoy Jayan
2016-11-21  6:08 ` [PATCH v5 4/9] IB/mthca: " Binoy Jayan
2016-11-21  6:08 ` [PATCH v5 5/9] IB/isert: Replace semaphore sem with completion Binoy Jayan
2016-11-21  7:36   ` Sagi Grimberg
2016-11-21 10:22     ` Arnd Bergmann
2016-11-21 12:33       ` Sagi Grimberg
2016-11-21 14:50         ` Arnd Bergmann
2016-11-21  6:08 ` [PATCH v5 6/9] IB/hns: Replace counting semaphore event_sem with wait_event Binoy Jayan
2016-11-21  6:08 ` [PATCH v5 7/9] IB/mthca: " Binoy Jayan
2016-11-21  6:08 ` [PATCH v5 8/9] IB/mlx5: Add helper mlx5_ib_post_send_wait Binoy Jayan
2016-11-21  6:08 ` [PATCH v5 9/9] IB/mlx5: Replace semaphore umr_common:sem with wait_event Binoy Jayan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1479708496-9828-1-git-send-email-binoy.jayan@linaro.org \
    --to=binoy.jayan@linaro.org \
    --cc=arnd@arndb.de \
    --cc=bart.vanassche@sandisk.com \
    --cc=broonie@kernel.org \
    --cc=dledford@redhat.com \
    --cc=faisal.latif@intel.com \
    --cc=hal.rosenstock@gmail.com \
    --cc=ira.weiny@intel.com \
    --cc=jennyf@mellanox.com \
    --cc=leonro@mellanox.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    --cc=markb@mellanox.com \
    --cc=matanb@mellanox.com \
    --cc=mustafa.ismail@intel.com \
    --cc=nab@linux-iscsi.org \
    --cc=oulijun@huawei.com \
    --cc=sagi@grimberg.me \
    --cc=sagig@mellanox.com \
    --cc=sean.hefty@intel.com \
    --cc=swise@opengridcomputing.com \
    --cc=target-devel@vger.kernel.org \
    --cc=tatyana.e.nikolova@intel.com \
    --cc=xavier.huwei@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®