From mboxrd@z Thu Jan 1 00:00:00 1970 From: Helge Deller Subject: Re: Build regressions/improvements in v4.6-rc4 (parisc warnings) Date: Tue, 19 Apr 2016 15:31:59 +0200 Message-ID: <5716334F.6020602@gmx.de> References: <1461048813-28712-1-git-send-email-geert@linux-m68k.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: Parisc List To: Geert Uytterhoeven , "linux-kernel@vger.kernel.org" , Michael Ellerman Return-path: In-Reply-To: List-ID: List-Id: linux-parisc.vger.kernel.org Hi Geert, On 19.04.2016 08:57, Geert Uytterhoeven wrote: > On Tue, Apr 19, 2016 at 8:53 AM, Geert Uytterhoeven > wrote: >> Below is the list of build error/warning regressions/improvements in >> v4.6-rc4[1] compared to v4.5[2]. >> >> Summarized: >> - build errors: +11/-7 >> - build warnings: +16376/-165 > > Sorry for the delay, initially I didn't realize why my first report didn't make > it to the list. It was too big, due to 16211 warnings in parisc-allmodconfig > about "-ffunction-sections disabled; it makes profiling impossible [enabled by > default]". I checked the parisc warnings, and looking at http://kisskb.ellerman.id.au/kisskb/buildresult/12665382/ it seems a gcc-4.6 (/opt/cross/gcc-4.6.3-nolibc/hppa-linux/bin/hppa-linux-gcc) compiler is still being used. I tend to think, that gcc-4.6 wasn't able to generate function sections which is why we see those warnings now (there was a FTRACE patch from me included before v4.6-rc4). Anyway, I can't reproduce those warnings with gcc-4.8 and higher. Given the fact, that we even switched on debian now to use gcc-5 for the kernel, can someone please update the 32- and 64-bit parisc compilers on the kiss infrastructure to at least gcc-4.8 (gcc-4.9 or gcc-5 being preferred). Thanks, Helge