On Sun, 11 Feb 2018 03:26:12 +0800 kbuild test robot <[email protected]> wrote:
> Hi Masami, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on tip/auto-latest] > [also build test WARNING on v4.15 next-20180209] > [if your patch is applied to the wrong git tree, please drop us a note to > help improve the system] > > url: > https://github.com/0day-ci/linux/commits/Masami-Hiramatsu/x86-decoder-Update-UD0-to-have-operands/20180211-013327 > config: x86_64-acpi-redef (attached as .config) > compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 > reproduce: > # save the attached .config to linux build tree > make ARCH=x86_64 > > All warnings (new ones prefixed by >>): > > >> drivers/regulator/devres.o: warning: objtool: > >> devm_regulator_unregister_notifier()+0x2e: can't decode instruction > -- > >> sound/core/info.o: warning: objtool: snd_info_get_line()+0x9: can't find > >> jump dest instruction at .text+0x8b5 > -- > >> sound/core/sound_oss.o: warning: objtool: snd_oss_kernel_minor()+0x5: > >> can't find jump dest instruction at .text+0x36 > -- > >> sound/core/hwdep.o: warning: objtool: snd_hwdep_dsp_load()+0x78: can't > >> find jump dest instruction at .text+0x5fa > -- > >> sound/core/timer.o: warning: objtool: snd_timer_notify()+0x49: return with > >> modified stack frame > -- > >> sound/core/hrtimer.o: warning: objtool: snd_hrtimer_callback()+0x62: can't > >> find jump dest instruction at .text+0x108 > -- > >> sound/core/pcm_lib.o: warning: objtool: snd_pcm_playback_silence()+0x17b: > >> can't find jump dest instruction at .text+0x9b9 > -- > >> sound/drivers/opl3/opl3_lib.o: warning: objtool: snd_opl3_create()+0x1f5: > >> can't find jump dest instruction at .text+0x628 > -- > >> sound/drivers/opl3/opl3_midi.o: warning: objtool: > >> snd_opl3_kill_voice()+0x9: can't find jump dest instruction at .text+0x12 > -- > >> drivers/media/dvb-core/dvb_math.o: warning: objtool: intlog2()+0x2: can't > >> find jump dest instruction at .text+0x9 > -- > >> drivers/gpu/drm/ttm/ttm_execbuf_util.o: warning: objtool: > >> ttm_eu_backoff_reservation()+0x64: can't find jump dest instruction at > >> .text+0xb5 > .. Ugg, OK this is what I worried about :( This might mean gcc generated UD0 without MODRM binary but the tool check it with MODRM... I will check it. Thanks, -- Masami Hiramatsu <[email protected]>
