Yes, it's still there.
Am 19.08.2014 22:26 schrieb Richard Weinberger <richard.weinber...@gmail.com>: > > On Tue, Aug 19, 2014 at 10:19 PM, Thomas Meyer <tho...@m3y3r.de> wrote: > > Hi. > > > > Thanks for your answer. > > > > There goes my plan to better understand an UML kernel lock up by using a > > debugger... Everything gets optimised out with -O2 :-( > > Is it the filesystem/block lockup you saw some time ago? > Maybe Thorsten can give more details. > He sent me an patch off list a few days ago. > > > Can you give an example function that relies on this GCC feature? > > > > With kind regards > > Thomas > > > > Am 19.08.2014 22:06 schrieb valdis.kletni...@vt.edu: > >> > >> On Tue, 19 Aug 2014 21:12:10 +0200, Thomas Meyer said: > >> > > Hi, > >> > > > >> > > the build with -O0 fails with: > >> > >> > > bug or feature? > >> > > > >> > > any ideas? > >> > >> Feature. The kernel is *known* to not build with -O0, because that > >> disables *all* function inlining, and there's several functions that > >> *have* > >> to be inlined in order to function properly (most notably, anything > >> that uses the gcc __builtin_return_address in a function that is expected > >> to be inlined). > > > > -- > Thanks, > //richard
