From: Christoph Hellwig <hch@infradead.org>
To: Binoy Jayan <binoy.jayan@linaro.org>
Cc: Doug Ledford <dledford@redhat.com>,
Sean Hefty <sean.hefty@intel.com>,
Hal Rosenstock <hal.rosenstock@gmail.com>,
Arnd Bergmann <arnd@arndb.de>,
linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 6/8] IB/hns: Replace counting semaphore event_sem with wait condition
Date: Mon, 17 Oct 2016 09:39:28 -0700 [thread overview]
Message-ID: <20161017163927.GA7207@infradead.org> (raw)
In-Reply-To: <1476721862-7070-7-git-send-email-binoy.jayan@linaro.org>
On Mon, Oct 17, 2016 at 10:01:00PM +0530, Binoy Jayan wrote:
> Counting semaphores are going away in the future, so replace the semaphore
> hns_roce_cmdq::event_sem with an open-coded implementation.
Sorry, but no. Using a proper semaphore abstraction is always
better than open coding it. While most semaphore users should move
to better primitives, those that actually are counting semaphore
should stick to the existing primitive.
next prev parent reply other threads:[~2016-10-17 16:39 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-17 16:30 [PATCH 0/8] infiniband: Remove semaphores Binoy Jayan
2016-10-17 16:30 ` [PATCH 1/8] IB/core: iwpm_nlmsg_request: Replace semaphore with completion Binoy Jayan
2016-10-17 16:30 ` [PATCH 2/8] IB/core: Replace semaphore sm_sem " Binoy Jayan
2016-10-17 16:30 ` [PATCH 3/8] IB/hns: Replace semaphore poll_sem with mutex Binoy Jayan
2016-10-17 16:30 ` [PATCH 4/8] IB/mthca: " Binoy Jayan
2016-10-17 16:30 ` [PATCH 5/8] IB/isert: Replace semaphore sem with completion Binoy Jayan
2016-10-17 16:31 ` [PATCH 6/8] IB/hns: Replace counting semaphore event_sem with wait condition Binoy Jayan
2016-10-17 16:39 ` Christoph Hellwig [this message]
2016-10-17 20:29 ` Arnd Bergmann
2016-10-18 5:16 ` Binoy Jayan
2016-10-19 15:15 ` Arnd Bergmann
2016-10-17 16:31 ` [PATCH 7/8] IB/mthca: " Binoy Jayan
2016-10-17 16:39 ` Christoph Hellwig
2016-10-17 20:32 ` Arnd Bergmann
2016-10-17 16:31 ` [PATCH 8/8] IB/mlx5: Replace counting semaphore sem " Binoy Jayan
2016-10-17 16:40 ` Christoph Hellwig
2016-10-17 16:57 ` [PATCH 0/8] infiniband: Remove semaphores Bart Van Assche
2016-10-17 20:06 ` Arnd Bergmann
2016-10-17 20:28 ` Bart Van Assche
2016-10-17 20:37 ` Arnd Bergmann
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=20161017163927.GA7207@infradead.org \
--to=hch@infradead.org \
--cc=arnd@arndb.de \
--cc=binoy.jayan@linaro.org \
--cc=dledford@redhat.com \
--cc=hal.rosenstock@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=sean.hefty@intel.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