On Mon, Sep 19, 2016 at 12:15:42PM -0700, Linus Torvalds wrote: > On Mon, Sep 19, 2016 at 11:56 AM, Linus Torvalds > <torva...@linux-foundation.org> wrote: > >> > >> The only working (and fast) approach I could come up with was an ugly > >> hack. It assumes that start_kernel() is in init/main.c. > > > > That sounds entirely reasonable. Maybe somebody can come up with a > > better and more general approach, but that sounds like a fine starting > > point, and any incremental improvents can happen in the tree. So I'll > > apply your patch (assuming it passes my basic testing, which I expect > > it will). > > Hmm. Would you mind if I change the > > addr2line -fpie $objfile $hexaddr | sed "s;$dir_prefix;;" > > into > > addr2line -fpie $objfile $hexaddr | > sed "s; at $dir_prefix\(\./\)*; at ;" > > instead? There's two changes there: matching the " at " part (to just > make the match stricter) but also matching any following "./" thing > (which shows up for our include tree files, at least for me). > > With that, all the cases I threw at it looked pretty good. > > But the stricter matching might not matter, of course, and maybe there > is some addr2line version that doesn't do that? So I'm checking here..
For some reason, I don't see the "./" for my include files. But regardless, your changes look good to me. -- Josh