From: Kevin Hilman <khilman@mvista.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH -rt] use SA_NODELAY for XScale PMU interrupts
Date: Fri, 08 Sep 2006 15:48:40 -0700 [thread overview]
Message-ID: <4501F348.7000208@mvista.com> (raw)
In-Reply-To: <1157750869.30730.137.camel@laptopd505.fenrus.org>
Arjan van de Ven wrote:
> On Fri, 2006-09-08 at 12:22 -0700, Kevin Hilman wrote:
>> In the XScale oprofile support, the performance monitoring unit (PMU)
>> triggers interrupts and the ISR reads out the performance data. These
>> ISRs are currently set to SA_INTERRUPT. In order to get accurate
>> performance and profiling data under PREEMPT_RT, these should use
>> SA_NODELAY. The functions called by this ISR are limited to
>> drivers/oprofile functions.
>>
>> Patch against 2.6.18-rt8
>
> hmm I thought the SA_ flags were deprecated ???
>
Sorry, although I said 2.6.18-rt8, the patch is against 2.6.17-rt8,
where the SA_ flags are still used.
Kevin
prev parent reply other threads:[~2006-09-08 22:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-08 19:22 [PATCH -rt] use SA_NODELAY for XScale PMU interrupts Kevin Hilman
2006-09-08 19:46 ` Kevin Hilman
2006-09-08 21:27 ` Arjan van de Ven
2006-09-08 22:48 ` 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=4501F348.7000208@mvista.com \
--to=khilman@mvista.com \
--cc=arjan@infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
/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