From: Steven Rostedt <rostedt@goodmis.org>
To: "Jon Medhurst (Tixy)" <tixy@linaro.org>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
linux-arm-kernel@lists.infradead.org,
Ingo Molnar <mingo@redhat.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Rabin Vincent <rabin@rab.in>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ARM: ftrace: Ensure code modifications are synchronised across all cpus
Date: Fri, 07 Dec 2012 13:17:25 -0500 [thread overview]
Message-ID: <1354904245.17101.66.camel@gandalf.local.home> (raw)
In-Reply-To: <1354903568.17101.65.camel@gandalf.local.home>
On Fri, 2012-12-07 at 13:06 -0500, Steven Rostedt wrote:
> If you can get away with that, sure. Or better yet. If the arch supports
> it, you can do what I did with powerpc. That was just replace the nop
> with the 32bit branch, and the 32bit branch with a 32bit nop. No nops.
s/No nops/No breakpoints/
> No multiple steps in between. I just did the swap of all function
> tracepoints in one fell swoop, and then did the icache sync.
>
-- Steve
next prev parent reply other threads:[~2012-12-07 18:17 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-06 18:11 [PATCH] ARM: ftrace: Ensure code modifications are synchronised across all cpus Jon Medhurst (Tixy)
2012-12-06 19:19 ` Steven Rostedt
2012-12-07 9:22 ` Jon Medhurst (Tixy)
2012-12-07 14:03 ` Steven Rostedt
2012-12-07 14:55 ` Jon Medhurst (Tixy)
2012-12-07 15:28 ` Steven Rostedt
2012-12-07 15:40 ` Jon Medhurst (Tixy)
2012-12-07 16:09 ` Steven Rostedt
2012-12-07 16:23 ` Russell King - ARM Linux
2012-12-07 16:36 ` Steven Rostedt
2012-12-07 16:45 ` Russell King - ARM Linux
2012-12-07 17:13 ` Steven Rostedt
2012-12-07 17:45 ` Jon Medhurst (Tixy)
2012-12-07 18:06 ` Steven Rostedt
2012-12-07 18:17 ` Steven Rostedt [this message]
2012-12-07 18:18 ` Jon Medhurst (Tixy)
2012-12-10 10:04 ` Will Deacon
2012-12-10 13:02 ` Steven Rostedt
2012-12-10 13:33 ` Will Deacon
2012-12-10 13:40 ` Jamie Lokier
2012-12-10 14:56 ` Will Deacon
2012-12-10 13:57 ` Russell King - ARM Linux
2012-12-10 14:06 ` Steven Rostedt
2012-12-10 14:07 ` Russell King - ARM Linux
2012-12-10 14:46 ` Steven Rostedt
2012-12-10 15:25 ` Russell King - ARM Linux
2012-12-10 16:31 ` Steven Rostedt
2012-12-10 16:45 ` Jon Medhurst (Tixy)
2012-12-07 18:13 ` Russell King - ARM Linux
2012-12-07 18:43 ` Steven Rostedt
2012-12-07 19:02 ` Will Deacon
2012-12-07 20:01 ` Steven Rostedt
2012-12-10 11:04 ` Jon Medhurst (Tixy)
2012-12-10 11:24 ` Will Deacon
2012-12-10 14:02 ` Steven Rostedt
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