Re: [RFC] Re: [PATCH v3 1/2] tracing/syscalls: Rename variable 'nr' to '__syscall_nr'

From: Arnaldo Carvalho de Melo
Date: Mon Feb 29 2016 - 09:21:20 EST


Em Sat, Feb 27, 2016 at 04:13:57PM +0100, Peter Zijlstra escreveu:
> On Fri, Feb 26, 2016 at 10:57:13AM -0300, Arnaldo Carvalho de Melo wrote:
>
> > Ingo, Peter, have you guys followed this case?
> >
> > Summary: Some tracepoint have multiple fields with the same name, 'nr',
> > the first one is a unique syscall ID, the other is a syscall
> > argument:
>
> I'm all for pushing the limits on tracepoint ABI. I'm all for making it
> less rigid. So if we can get away with changing this under the promise
> of helping fixup fallout, I'm all for it.
>
> That means we can always just change tracepoints, and they're not really
> ABI at all.

I'll take that as an Acked-by, and will apply Taeung/Steven's patch for
the kernel + the builtin-trace.c change, Ok everybody?

- Arnaldo