From: Ingo Molnar <mingo@elte.hu>
To: Jamie Iles <jamie.iles@picochip.com>
Cc: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org,
peterz@infradead.org, mikpe@it.uu.se, linux@arm.linux.org.uk,
tglx@linutronix.de, linux-tip-commits@vger.kernel.org
Subject: Re: [tip:perf/urgent] perf tools: Allow building for ARM
Date: Fri, 11 Dec 2009 14:26:40 +0100 [thread overview]
Message-ID: <20091211132640.GA12140@elte.hu> (raw)
In-Reply-To: <20091211130408.GG4164@wear.picochip.com>
* Jamie Iles <jamie.iles@picochip.com> wrote:
> On Fri, Dec 11, 2009 at 12:54:33PM +0000, tip-bot for Jamie Iles wrote:
> > Commit-ID: 58e9f94138c1d9c47f6a63632ca7a78fc6dcc15f
> > Gitweb: http://git.kernel.org/tip/58e9f94138c1d9c47f6a63632ca7a78fc6dcc15f
> > Author: Jamie Iles <jamie.iles@picochip.com>
> > AuthorDate: Fri, 11 Dec 2009 12:20:09 +0000
> > Committer: Ingo Molnar <mingo@elte.hu>
> > CommitDate: Fri, 11 Dec 2009 13:50:21 +0100
> >
> > perf tools: Allow building for ARM
> >
> > Add definitions of rmb() and cpu_relax() and include the ARM
> > unistd.h header. The __kuser_memory_barrier helper in the helper
> > page is used to provide the correct memory barrier depending on
> > the CPU type.
> >
> > [ The rmb() will work on v6 and v7, segfault on v5. Dynamic
> > detection to add v5 support will be added later. ]
>
> Sorry Ingo, my comment probably wasn't clear enough. The helper that
> Mikael suggested should work for _all_ ARM processors including v5 and
> earlier. It will just be a branch to a nop.
oh - good! Too late to fix the comment, i already pushed it out - but as
long as the _code_ is fine it's a good tradeoff ;-)
Ingo
next prev parent reply other threads:[~2009-12-11 13:26 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-11 9:20 [PATCH 1/2] perf tools: allow building for ARM Jamie Iles
2009-12-11 9:21 ` [PATCH 2/2] perf tools: allow cross compiling Jamie Iles
2009-12-11 10:27 ` [tip:perf/urgent] perf tools: Allow " tip-bot for Jamie Iles
2009-12-11 12:20 ` [PATCH] perf tools: allow building for ARM (patch v2) Jamie Iles
2009-12-11 12:54 ` [tip:perf/urgent] perf tools: Allow building for ARM tip-bot for Jamie Iles
2009-12-11 13:04 ` Jamie Iles
2009-12-11 13:26 ` Ingo Molnar [this message]
2009-12-11 10:23 ` [PATCH 1/2] perf tools: allow " Ingo Molnar
2009-12-11 10:30 ` Jamie Iles
2009-12-11 10:38 ` Ingo Molnar
2009-12-11 11:01 ` Jamie Iles
2009-12-11 11:26 ` Mikael Pettersson
2009-12-11 21:22 ` Russell King - ARM Linux
[not found] ` <000101ca7a50$b3e2ad70$1ba80850$@deacon@arm.com>
2009-12-11 11:02 ` Ingo Molnar
2009-12-11 11:08 ` Pekka Enberg
2009-12-11 10:38 ` David Miller
2009-12-11 10:41 ` Ingo Molnar
2009-12-11 11:48 ` Jamie Iles
2009-12-11 12:48 ` Ingo Molnar
2009-12-11 21:19 ` Russell King - ARM Linux
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