On Fri, 19 Apr 2019 00:44:17 +0200 (CEST) Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > On Thu, 18 Apr 2019, Steven Rostedt wrote: > > On Thu, 18 Apr 2019 10:41:20 +0200 > > Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > > > > > @@ -412,23 +404,20 @@ stack_trace_sysctl(struct ctl_table *tab > > > void __user *buffer, size_t *lenp, > > > loff_t *ppos) > > > { > > > - int ret; > > > + int ret, was_enabled; > > > > One small nit. Could this be: > > > > int was_enabled; > > int ret; > > > > I prefer only joining variables that are related on the same line. > > Makes it look cleaner IMO. > > If you wish so. To me it's waste of screen space :) At least you didn't say it helps the compiler ;-) > > > > > > > mutex_lock(&stack_sysctl_mutex); > > > + was_enabled = !!stack_tracer_enabled; > > > > > > > Bah, not sure why I didn't do it this way to begin with. I think I > > copied something else that couldn't do it this way for some reason and > > didn't put any brain power behind the copy. :-/ But that was back in > > 2008 so I blame it on being "young and stupid" ;-) > > The young part is gone for sure :) I purposely set you up for that response. > > > Other then the above nit and removing the unneeded +1 in max_entries: > > s/+1/-1/ That was an ode to G+ -- Steve