Re: [PATCH] ring_buffer: enlarge RB_MAX_SMALL_DATA
From: Steven Rostedt
Date: Wed Apr 15 2009 - 10:24:12 EST
On Wed, 2009-04-15 at 16:12 +0200, Ingo Molnar wrote:
> * Steven Rostedt <srostedt@xxxxxxxxxx> wrote:
> Yeah - format specifications are always good. They weaken ABI
> bindings and allow more flexibility both on the tool and the kernel
> side.
>
> > We could ask Linus to pull this into 30 because it is a API
> > change.
>
> Apps could assume if the format file is not there it's the .30
> format.
My fear is that they are written before the change, and will not know
about a format file existing. Then those apps will break on 31.
But this is still new, and the only user I know of at the moment is the
University student doing the ftrace GUI. I'll keep him informed.
Thanks,
-- Steve
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