On 22.05.2017 16:19, Arnd Bergmann wrote: > On Mon, May 22, 2017 at 11:49 AM, Geert Uytterhoeven > <geert@xxxxxxxxxxxxxx> wrote: >> Hi Arnd, Helge, >> >> On Mon, May 22, 2017 at 11:35 AM, Geert Uytterhoeven >> <geert@xxxxxxxxxxxxxx> wrote: >>> Below is the list of build error/warning regressions/improvements in >>> v4.12-rc2[1] compared to v4.11[2]. >>> >>> Summarized: >>> - build errors: +2/-3 >>> - build warnings: +27717/-896 >> >>> [1] http://kisskb.ellerman.id.au/kisskb/head/08332893e37af6ae779367e78e444f8f9571511d/ (267 out of 270 configs) >> >>> 27717 warning regressions: >>> >>> [Deleted 26393 lines about "warning: ... [-Wpointer-sign]" on parisc-allmodconfig] >> >> Do you know where these are coming from? They appeared in v4.12-rc1. No idea. >> The toolchain on kisskb hasn't changed (still gcc-4.6.3-nolibc). Ok. >>> [Deleted 1166 lines about "warning: -ffunction-sections disabled; it makes profiling impossible [enabled by default]" on parisc-allmodconfig] >> >> This has been introduced a while ago. Would be good to get it fixed, too. >> I guess the "cflags-y += -ffunction-sections" still needs some CONFIG check, >> despite commit 366dd4ea9d5f0eb7 ("parisc: Fix ftrace function tracer")? > > I found this mailing list discussion: > > https://gcc.gnu.org/ml/gcc-help/2008-11/msg00141.html > https://gcc.gnu.org/ml/gcc-help/2008-11/msg00139.html > > This patch was merged into gcc-4.8: > > https://patchwork.ozlabs.org/patch/197134/ > > As the -ffunction-sections is a workaround for another problem, we could > use make it conditional on having a more recent compiler here. Yes, please update the compiler. I suggested that last time already. I'm using gcc-6.1.1-cross from Fedora: hppa-linux-gnu-gcc (GCC) 6.1.1 20160621 (Red Hat Cross 6.1.1-2) downloaded the given parisc-allmodconfig and it does not show any of those warnings. Helge -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
