Re: [PATCH] ARM: ftrace: Ensure code modifications are synchronisedacross all cpus

From: Steven Rostedt
Date: Fri Dec 07 2012 - 13:17:17 EST

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

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