Re: [PATCH 5/8] x86,tracing: Mark debug_stack_{set_zero,reset)() notrace

[Peter Zijlstra]

On Wed, Feb 12, 2020 at 10:18:26AM -0500, Steven Rostedt wrote:
> On Wed, 12 Feb 2020 16:04:40 +0100
> Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> 
> > > This entire file is notrace:
> > > 
> > >  arch/x86/kernel/cpu/Makefile:
> > > 
> > >    CFLAGS_REMOVE_common.o = -pg  
> > 
> > Urgh, I hate it that that annotation is so hard to find :/ Also, there
> > seem to be various flavours of that Makefile magic around.
> > 
> >   CFLAGS_REMOVE_lockdep.o = $(CC_FLAGS_FTRACE)
> > 
> > is another variant I encountered.
> 
> Actually, that should be the only variant. That was added for various
> archs, and should be used consistently throughout.
> 
> There's a clean up series for you ;-) (or whoever)

If I'm going to clean this up I'd remove the Makefile rules entirely.
I hate these Makefile rules, they make it entirely non-obvious what is
and is not being traced.