On 14 November 2017 at 23:43, Linus Torvalds <torva...@linux-foundation.org> wrote: > On Tue, Nov 14, 2017 at 2:24 PM, Rasmus Villemoes > <li...@rasmusvillemoes.dk> wrote: >> >> Can you be more specific? That's not what I see with gcc 7.1. > > I have gcc-7.2.1, and it made a horrible mess of the do_mount() code.
Odd. 7.2 and 7.1 (both of which I've just compiled from source, no special configure flags or anything) generate exactly the same (good) code for fs/namespace.o after patching. I also tried with CONFIG_CC_OPTIMIZE_FOR_SIZE=y just in case, but that still produces reasonable code. Oh well. Rasmus
