Re: [patch 4/4] KVM-trace port to tracepoints

[Avi Kivity]

Christoph Hellwig wrote:
> On Wed, Jul 23, 2008 at 10:55:03AM +0200, Peter Zijlstra wrote:
>   
> > Andrew raised the whole point about trace_mark() generating an
> > user-visible interface and thus it should be stable, and I agree with
> > that.
> >     
>
> I'm not sure why this comes up again and again, but it's utter bullshit.
> trace_mark does not generate any kind of user interface, just purely
> a kernel internal interface.
>   

trace_mark() is implement kvmtrace, which is propagated to userspace.  
So while trace_mark() itself is not a userspace interface, one of its 
users is.

It's an unstable interface.  But so is dmesg; that's the nature of tracing.

--
error compiling committee.c: too many arguments to function

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/