LEROY Christophe <christophe.le...@c-s.fr> writes: > Benjamin Herrenschmidt <b...@kernel.crashing.org> a écrit : > >> When hitting below a VM_GROWSDOWN vma (typically growing the stack), >> we check whether it's a valid stack-growing instruction and we >> check the distance to GPR1. This is largely open coded with lots >> of comments, so move it out to a helper. > > Did you have a look at the following patch ? It's been waiting for > application for some weeks now. > https://patchwork.ozlabs.org/patch/771869
I actually merged it last merge window, but found I had no good way to test it, so I took it out again until I can write a test case for it. The way I realised it wasn't being tested was by removing all the store_updates_sp logic entirely and having my system run happily for several days :} cheers
