On Fri, Feb 23, 2018 at 01:12:13PM +0100, Maxime Villard wrote: > > Heck, it wasn't even discussed on tech-kern. > > It was discussed on tech-kern.
No, you made some wild claims about GDB behavior which are wrong and without context. That's not a discussion about a code change. > > If anything, this should be done in the kernel config next to the > > -fno-omit-frame-potiner setting. This is a concession to DDB only, > > unlike i.e. -mcmode=kernel, it is not necessary for ABI reasons or > > correctness, > > Moving -fno-shrink-wrap next to -fno-omit-frame-pointer did not fix the > issues. That is to say, the frame was _not_ pushed at the beginning of the > functions. Then figure out why not. Placing random pessimisation options all over the place is wrong. Joerg
