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SubjectRe: [PATCH 1/5] ftrace: Synchronize variable setting with breakpoints
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On Thu, 2012-05-31 at 19:40 +0200, Peter Zijlstra wrote:
> On Thu, 2012-05-31 at 10:08 -0400, Steven Rostedt wrote:
> > > Also, why does this stuff live in ftrace? I always thought you were
> > > going to replace text_poke() so everybody that uses cross-modifying code
> > > could profit?
> >
> > I discussed this with Masami at Collaboration Summit. The two are
> > similar but also very different. But we want to start merging the two
> > together where it makes sense.
>
> Argh,. I so disagree. You're doing it backwards.
>
> First you merge whatever is there, regardless of who came first.

The thing is, that's useful even if the new stuff never works. Having
two code-bases doing cross-modifying code in different ways just doesn't
sound right. That stuff is tricky enough as it is.




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