* Re: Build regressions/improvements in v4.4-rc7 [not found] <1451305281-3911-1-git-send-email-geert@linux-m68k.org> @ 2015-12-28 12:29 ` Geert Uytterhoeven 2015-12-28 16:18 ` Tejun Heo 0 siblings, 1 reply; 4+ messages in thread From: Geert Uytterhoeven @ 2015-12-28 12:29 UTC (permalink / raw) To: linux-kernel@vger.kernel.org Cc: Ralf Baechle, Qais Yousef, Alex Smith, Markos Chandras, Tejun Heo, Linux MIPS Mailing List On Mon, Dec 28, 2015 at 1:21 PM, Geert Uytterhoeven <geert@linux-m68k.org> wrote: > JFYI, when comparing v4.4-rc7[1] to v4.4-rc6[3], the summaries are: > - build errors: +14/-3 + /home/kisskb/slave/src/include/linux/kqueue.h: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]: => 186:2 mips-allmodconfig Reported in September by kbuild test robot <lkp@intel.com> + /tmp/cc5veAi5.s: Error: can't resolve `_start' {*UND* section} - `L0^A' {.text section}: => 378, 49 mips-allnoconfig + /tmp/cc6DopGj.s: Error: can't resolve `_start' {*UND* section} - `L0^A' {.text section}: => 43 + /tmp/cc7GEfIa.s: Error: can't resolve `_start' {*UND* section} - `L0^A' {.text section}: => 43 + /tmp/ccmqbWag.s: Error: can't resolve `_start' {*UND* section} - `L0^A' {.text section}: => 43 bigsur_defconfig + /tmp/ccGsoCyO.s: Error: can't resolve `_start' {*UND* section} - `L0^A' {.text section}: => 49, 366 ip22_defconfig + /tmp/ccH1dW0f.s: Error: can't resolve `_start' {*UND* section} - `L0^A' {.text section}: => 43 + /tmp/ccP7l3ug.s: Error: can't resolve `_start' {*UND* section} - `L0^A' {.text section}: => 43 + /tmp/ccSlbKej.s: Error: can't resolve `_start' {*UND* section} - `L0^A' {.text section}: => 43 ip27_defconfig + /tmp/ccemCHRe.s: Error: can't resolve `_start' {*UND* section} - `L0^A' {.text section}: => 50, 326 + /tmp/cckgYy8k.s: Error: can't resolve `_start' {*UND* section} - `L0^A' {.text section}: => 329, 50 + /tmp/cclNaAGh.s: Error: can't resolve `_start' {*UND* section} - `L0^A' {.text section}: => 366, 49 ip32_defconfig + /tmp/cczzZNSV.s: Error: can't resolve `_start' {*UND* section} - `L0^A' {.text section}: => 403, 41 malta_defconfig I guess the last-minute build fix for MIPS broke the build for other versions of binutils? > [1] http://kisskb.ellerman.id.au/kisskb/head/9745/ (258 out of 259 configs) > [3] http://kisskb.ellerman.id.au/kisskb/head/9734/ (all 259 configs) Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Build regressions/improvements in v4.4-rc7 2015-12-28 12:29 ` Build regressions/improvements in v4.4-rc7 Geert Uytterhoeven @ 2015-12-28 16:18 ` Tejun Heo 2015-12-28 16:22 ` Randy Dunlap 0 siblings, 1 reply; 4+ messages in thread From: Tejun Heo @ 2015-12-28 16:18 UTC (permalink / raw) To: Geert Uytterhoeven Cc: linux-kernel@vger.kernel.org, Ralf Baechle, Qais Yousef, Alex Smith, Markos Chandras, Linux MIPS Mailing List On Mon, Dec 28, 2015 at 01:29:18PM +0100, Geert Uytterhoeven wrote: > On Mon, Dec 28, 2015 at 1:21 PM, Geert Uytterhoeven > <geert@linux-m68k.org> wrote: > > JFYI, when comparing v4.4-rc7[1] to v4.4-rc6[3], the summaries are: > > - build errors: +14/-3 > > + /home/kisskb/slave/src/include/linux/kqueue.h: error: > dereferencing type-punned pointer will break strict-aliasing rules > [-Werror=strict-aliasing]: => 186:2 kqueue.h? -- tejun ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Build regressions/improvements in v4.4-rc7 2015-12-28 16:18 ` Tejun Heo @ 2015-12-28 16:22 ` Randy Dunlap 2015-12-28 16:29 ` Tejun Heo 0 siblings, 1 reply; 4+ messages in thread From: Randy Dunlap @ 2015-12-28 16:22 UTC (permalink / raw) To: Tejun Heo, Geert Uytterhoeven Cc: linux-kernel@vger.kernel.org, Ralf Baechle, Qais Yousef, Alex Smith, Markos Chandras, Linux MIPS Mailing List On 12/28/15 08:18, Tejun Heo wrote: > On Mon, Dec 28, 2015 at 01:29:18PM +0100, Geert Uytterhoeven wrote: >> On Mon, Dec 28, 2015 at 1:21 PM, Geert Uytterhoeven >> <geert@linux-m68k.org> wrote: >>> JFYI, when comparing v4.4-rc7[1] to v4.4-rc6[3], the summaries are: >>> - build errors: +14/-3 >> >> + /home/kisskb/slave/src/include/linux/kqueue.h: error: >> dereferencing type-punned pointer will break strict-aliasing rules >> [-Werror=strict-aliasing]: => 186:2 > > kqueue.h? > + /home/kisskb/slave/src/include/linux/workqueue.h: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]: => 186:2 -- ~Randy ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Build regressions/improvements in v4.4-rc7 2015-12-28 16:22 ` Randy Dunlap @ 2015-12-28 16:29 ` Tejun Heo 0 siblings, 0 replies; 4+ messages in thread From: Tejun Heo @ 2015-12-28 16:29 UTC (permalink / raw) To: Randy Dunlap Cc: Geert Uytterhoeven, linux-kernel@vger.kernel.org, Ralf Baechle, Qais Yousef, Alex Smith, Markos Chandras, Linux MIPS Mailing List Hello, On Mon, Dec 28, 2015 at 08:22:20AM -0800, Randy Dunlap wrote: > On 12/28/15 08:18, Tejun Heo wrote: > > On Mon, Dec 28, 2015 at 01:29:18PM +0100, Geert Uytterhoeven wrote: > >> On Mon, Dec 28, 2015 at 1:21 PM, Geert Uytterhoeven > >> <geert@linux-m68k.org> wrote: > >>> JFYI, when comparing v4.4-rc7[1] to v4.4-rc6[3], the summaries are: > >>> - build errors: +14/-3 > >> > >> + /home/kisskb/slave/src/include/linux/kqueue.h: error: > >> dereferencing type-punned pointer will break strict-aliasing rules > >> [-Werror=strict-aliasing]: => 186:2 > > > > kqueue.h? > > > > + /home/kisskb/slave/src/include/linux/workqueue.h: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]: => 186:2 Heh, yeah, that makes a lot more sense. At the same time tho, the code has been there forever and there are a lot of simliar derefs throughout kernel/workqueue.c. Is there something the code should be doing? Thanks. -- tejun ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2015-12-28 16:29 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <1451305281-3911-1-git-send-email-geert@linux-m68k.org>
2015-12-28 12:29 ` Build regressions/improvements in v4.4-rc7 Geert Uytterhoeven
2015-12-28 16:18 ` Tejun Heo
2015-12-28 16:22 ` Randy Dunlap
2015-12-28 16:29 ` Tejun Heo
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox