On Sun, 2016-08-07 at 10:44 -0700, Andi Kleen wrote: > > > > It is so bloated that gcc needs to be asked to not screw up with stack > > > > size. > > > What happens when you drop all the noinlines for this? I assume > > > this would alread make it faster. And now that we have bigger > > > stacks we can likely tolerate it. > > %pV recurses through these code paths. > > I believe the maximum current recursion depth is 3. > I assume 2 max would sufficient for all users in kernel. > > And perhaps it would be better to get rid of "features" like this, > and instead focus on more common cases.
It'd be a dubious trade-off in my opinion. Overall code size has been reduced by hundreds of KB by using %pV.
