On Thu, Jul 20, 2017 at 1:29 AM, Ingo Molnar <mi...@kernel.org> wrote: > > * kbuild test robot <fengguang...@intel.com> wrote: > >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git >> master >> head: c981f0b3fb08ee58aacb208fe7f45628af420bba >> commit: 79e6b917e69a34d45e83e72f1e9bb7487d5f5832 [1341/1811] x86/build: Fix >> stack alignment for CLang >> config: x86_64-randconfig-a0-07200731 (attached as .config) >> compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 >> reproduce: >> git checkout 79e6b917e69a34d45e83e72f1e9bb7487d5f5832 >> # save the attached .config to linux build tree >> make ARCH=x86_64 >> >> All errors (new ones prefixed by >>): >> >> arch/x86/Makefile:172: Disabling CONFIG_CC_OPTIMIZE_FOR_SIZE. Your >> compiler does not have -mfentry so you cannot optimize for size with >> CONFIG_FUNCTION_GRAPH_TRACER. >> >> cc1: error: unrecognized command line option "-mstack-alignment=8" >> make[2]: *** [kernel/bounds.s] Error 1 >> make[2]: Target '__build' not remade because of errors. >> make[1]: *** [prepare0] Error 2 >> make[1]: Target 'prepare' not remade because of errors. >> make: *** [sub-make] Error 2 > > Ok, I've removed this commit from x86/urgent for now, pending the resolution > of > this build bug.
Sorry for breaking the build, I will look for a better solution. Matthias
