From: khilman@deeprootsystems•com (Kevin Hilman)
To: linux-arm-kernel@lists•infradead.org
Subject: [RFC/PATCH] arm: oprofile: remove locking from suspend/resume
Date: Wed, 19 May 2010 15:44:29 -0700 [thread overview]
Message-ID: <8739xnjyuq.fsf@deeprootsystems.com> (raw)
In-Reply-To: <20100519070459.GA22212@n2100.arm.linux.org.uk> (Russell King's message of "Wed\, 19 May 2010 08\:04\:59 +0100")
Russell King - ARM Linux <linux@arm•linux.org.uk> writes:
> On Tue, May 18, 2010 at 05:13:01PM -0700, Kevin Hilman wrote:
>> Since oprofile is a sysdev, its suspend/resume methods are called with
>> interrupts disabled. Using a mutex (which might sleep) in this atomic
>> context is not safe.
>
> It isn't a sysdev anymore. Suggest you take a look at the ARM tree once
> in a while.
Indeed, I see it is fixed already there.
Sorry for the noise,
Kevin
prev parent reply other threads:[~2010-05-19 22:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-19 0:13 [RFC/PATCH] arm: oprofile: remove locking from suspend/resume Kevin Hilman
2010-05-19 7:04 ` Russell King - ARM Linux
2010-05-19 22:44 ` Kevin Hilman [this message]
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=8739xnjyuq.fsf@deeprootsystems.com \
--to=khilman@deeprootsystems$(echo .)com \
--cc=linux-arm-kernel@lists$(echo .)infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
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