Re: [RFC][PATCH] tracing: Remove useless 4 bytes of padding fromevery event

[Steven Rostedt]

On Wed, 2012-05-16 at 13:07 -0700, Arjan van de Ven wrote:
> On 5/16/2012 1:04 PM, Linus Torvalds wrote:
> > On Wed, May 16, 2012 at 1:00 PM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> >>
> >> Seriously though. What's your take on changing the kernel that will
> >> break an older distro. Obviously, this change is too early to apply. But
> >> because an old distro has one app that will break if we make a change in
> >> the kernel, is that enough to keep that change out?
> > 
> > I suspect that powertop is enough of a developer thing that if that's
> > the only thing that breaks, we don't have to worry too much.
> > 
> > I don't want to break *everybody*, so new distro's should be
> > up-to-date. But breaking something like a F14-15 timeframe distro or
> > something staid like a SLES (or "Debian Stale" or whatever they call
> > that thing that only takes crazy-old binaries)? It's fine. We don't
> > want to *rush* into it, but no, if those distros are basically not
> > updating, we can't care about them forever for something like
> > powertop.
> 
> agreed.
> 
> I would say something like "6 months" (e.g. 3.6); anybody who's likely
> to update anything will have done the powertop upgrade from his distro
> by then, and anybody who isn't isn't going to update the kernel either.
> 

Thanks for the clarification. I'll put the patch in my 3.6 or 3.7 queue.

-- Steve


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