Re: [PATCH] x86/decoder: Update UD0 to have operands

From: kbuild test robot
Date: Sat Feb 10 2018 - 14:27:14 EST


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
..

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