On Fri, 2018-09-21 at 22:47 +0530, Gautham R Shenoy wrote: > Hello Michael, > > On Fri, Sep 21, 2018 at 01:02:45PM +1000, Michael Neuling wrote: > > This doesn't compile for me with: > > > > arch/powerpc/kernel/smp.c: In function ‘smp_prepare_cpus’: > > arch/powerpc/kernel/smp.c:812:23: error: ‘tg.threads_per_group’ may be used > > uninitialized in this function [-Werror=maybe-uninitialized] > > struct thread_groups tg; > > ^ > > arch/powerpc/kernel/smp.c:812:23: error: ‘tg.nr_groups’ may be used > > uninitialized in this function [-Werror=maybe-uninitialized] > > cc1: all warnings being treated as errors > > /home/mikey/src/linux-ozlabs/scripts/Makefile.build:305: recipe for target > > 'arch/powerpc/kernel/smp.o' failed > > > > I couldn't get this error with gcc 4.8.5 and 8.1.1 with > pseries_defconfig and powernv_defconfig with CONFIG_PPC_WERROR=y.
I'm using 5.4.0 which is in Ubuntu 16.04 (LTS). > Does the following the following delta patch make it work? Yep that fixes it, thanks. Mikey