From: Sinan Kaya <okaya@codeaurora.org>
To: arnd@arndb.de, timur@codeaurora.org, sulrich@codeaurora.org
Cc: linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] io: prevent compiler reordering on the default writeX() implementation
Date: Fri, 30 Mar 2018 10:46:05 -0400 [thread overview]
Message-ID: <4e3acc1a-0c06-5b1b-1b87-91bef2daae38@codeaurora.org> (raw)
In-Reply-To: <1522420199-23548-1-git-send-email-okaya@codeaurora.org>
On 3/30/2018 10:29 AM, Sinan Kaya wrote:
> In the abscence of a write barrier or when using a strongly ordered
> architecture, writeX() should at least have a compiler barrier in
> it to prevent commpiler from clobbering the execution order.
Same is true for readX(). I'll wait for review feedback on this before
posting another change for readX().
--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
next prev parent reply other threads:[~2018-03-30 14:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-30 14:29 [PATCH] io: prevent compiler reordering on the default writeX() implementation Sinan Kaya
2018-03-30 14:29 ` Sinan Kaya
2018-03-30 14:46 ` Sinan Kaya [this message]
2018-03-30 14:46 ` Sinan Kaya
2018-03-30 15:16 ` Russell King - ARM Linux
2018-03-30 15:16 ` Russell King - ARM Linux
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=4e3acc1a-0c06-5b1b-1b87-91bef2daae38@codeaurora.org \
--to=okaya@codeaurora.org \
--cc=arnd@arndb.de \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=sulrich@codeaurora.org \
--cc=timur@codeaurora.org \
/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