On 9/7/23 15:23, kernel test robot wrote:

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4a0fc73da97efd23a383ca839e6fe86410268f6b commit: ac950278b0872c87bcef6153fd9c119265c8ba83 ASoC: add N cpus to M codecs dai link support date: 3 months ago config: i386-buildonly-randconfig-006-20230908 (https://download.01.org/0day-ci/archive/20230908/202309080339.rbPMLUjl-lkp@i...) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230908/202309080339.rbPMLUjl-lkp@i...)

If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202309080339.rbPMLUjl-lkp@intel.com/

All warnings (new ones prefixed by >>):

sound/soc/soc-pcm.c: In function '__soc_pcm_hw_params':

...

...

sound/soc/soc-pcm.c:1082:1: warning: the frame size of 1324 bytes is larger than 1024 bytes [-Wframe-larger-than=]

}
^

isn't this the same issue that Charles Keepax wanted to address with "[PATCH] ASoC: soc-pcm: Shrink stack frame for __soc_pcm_hw_params"?

That's clearly no longer an ARM-only issue and it does look like a compiler issue.

vim +1082 sound/soc/soc-pcm.c

4662c59688b8db Kuninori Morimoto 2020-09-29 975 ddee627cf6bb60 Liam Girdwood 2011-06-09 976 /* ddee627cf6bb60 Liam Girdwood 2011-06-09 977 * Called by ALSA when the hardware params are set by application. This ddee627cf6bb60 Liam Girdwood 2011-06-09 978 * function can also be called multiple times and can allocate buffers ddee627cf6bb60 Liam Girdwood 2011-06-09 979 * (using snd_pcm_lib_* ). It's non-atomic. ddee627cf6bb60 Liam Girdwood 2011-06-09 980 */ b7898396f4bbe1 Takashi Iwai 2021-12-07 981 static int __soc_pcm_hw_params(struct snd_soc_pcm_runtime *rtd, b7898396f4bbe1 Takashi Iwai 2021-12-07 982 struct snd_pcm_substream *substream, ddee627cf6bb60 Liam Girdwood 2011-06-09 983 struct snd_pcm_hw_params *params) ddee627cf6bb60 Liam Girdwood 2011-06-09 984 { 19bdcc7aeed416 Shreyas NC 2020-02-25 985 struct snd_soc_dai *cpu_dai; 0b7990e38971da Kuninori Morimoto 2018-09-03 986 struct snd_soc_dai *codec_dai; 244e293690a6e0 Charles Keepax 2018-06-19 987 int i, ret = 0; ddee627cf6bb60 Liam Girdwood 2011-06-09 988 b7898396f4bbe1 Takashi Iwai 2021-12-07 989 snd_soc_dpcm_mutex_assert_held(rtd); 5cca59516de5df Shengjiu Wang 2019-11-12 990 5cca59516de5df Shengjiu Wang 2019-11-12 991 ret = soc_pcm_params_symmetry(substream, params); 5cca59516de5df Shengjiu Wang 2019-11-12 992 if (ret) 5cca59516de5df Shengjiu Wang 2019-11-12 993 goto out; 5cca59516de5df Shengjiu Wang 2019-11-12 994 7cf3c5b4a04f4b Kuninori Morimoto 2020-05-25 995 ret = snd_soc_link_hw_params(substream, params); a5e6c1090001b8 Kuninori Morimoto 2020-05-25 996 if (ret < 0) ddee627cf6bb60 Liam Girdwood 2011-06-09 997 goto out; ddee627cf6bb60 Liam Girdwood 2011-06-09 998 a4be4187b2bfc6 Kuninori Morimoto 2020-03-09 999 for_each_rtd_codec_dais(rtd, i, codec_dai) { 2e5894d73789ee Benoit Cousson 2014-07-08 1000 struct snd_pcm_hw_params codec_params; e15ff262e21238 Kuninori Morimoto 2023-01-31 1001 unsigned int tdm_mask = snd_soc_dai_tdm_mask_get(codec_dai, substream->stream); 2e5894d73789ee Benoit Cousson 2014-07-08 1002 cde79035c6cf57 Ricard Wanderlof 2015-08-24 1003 /* cde79035c6cf57 Ricard Wanderlof 2015-08-24 1004 * Skip CODECs which don't support the current stream type, cde79035c6cf57 Ricard Wanderlof 2015-08-24 1005 * the idea being that if a CODEC is not used for the currently cde79035c6cf57 Ricard Wanderlof 2015-08-24 1006 * set up transfer direction, it should not need to be cde79035c6cf57 Ricard Wanderlof 2015-08-24 1007 * configured, especially since the configuration used might cde79035c6cf57 Ricard Wanderlof 2015-08-24 1008 * not even be supported by that CODEC. There may be cases cde79035c6cf57 Ricard Wanderlof 2015-08-24 1009 * however where a CODEC needs to be set up although it is cde79035c6cf57 Ricard Wanderlof 2015-08-24 1010 * actually not being used for the transfer, e.g. if a cde79035c6cf57 Ricard Wanderlof 2015-08-24 1011 * capture-only CODEC is acting as an LRCLK and/or BCLK master cde79035c6cf57 Ricard Wanderlof 2015-08-24 1012 * for the DAI link including a playback-only CODEC. cde79035c6cf57 Ricard Wanderlof 2015-08-24 1013 * If this becomes necessary, we will have to augment the cde79035c6cf57 Ricard Wanderlof 2015-08-24 1014 * machine driver setup with information on how to act, so cde79035c6cf57 Ricard Wanderlof 2015-08-24 1015 * we can do the right thing here. cde79035c6cf57 Ricard Wanderlof 2015-08-24 1016 */ cde79035c6cf57 Ricard Wanderlof 2015-08-24 1017 if (!snd_soc_dai_stream_valid(codec_dai, substream->stream)) cde79035c6cf57 Ricard Wanderlof 2015-08-24 1018 continue; cde79035c6cf57 Ricard Wanderlof 2015-08-24 1019 2e5894d73789ee Benoit Cousson 2014-07-08 1020 /* copy params for each codec */ 2e5894d73789ee Benoit Cousson 2014-07-08 1021 codec_params = *params; 2e5894d73789ee Benoit Cousson 2014-07-08 1022 2e5894d73789ee Benoit Cousson 2014-07-08 1023 /* fixup params based on TDM slot masks */ e15ff262e21238 Kuninori Morimoto 2023-01-31 1024 if (tdm_mask) e15ff262e21238 Kuninori Morimoto 2023-01-31 1025 soc_pcm_codec_params_fixup(&codec_params, tdm_mask); 2e5894d73789ee Benoit Cousson 2014-07-08 1026 aa6166c2ac2839 Kuninori Morimoto 2019-07-22 1027 ret = snd_soc_dai_hw_params(codec_dai, substream, aa6166c2ac2839 Kuninori Morimoto 2019-07-22 1028 &codec_params); 93e6958a3674d2 Benoit Cousson 2014-07-08 1029 if(ret < 0) 4662c59688b8db Kuninori Morimoto 2020-09-29 1030 goto out; ddee627cf6bb60 Liam Girdwood 2011-06-09 1031 2805b8bd3e0bdd Kuninori Morimoto 2020-12-11 1032 soc_pcm_set_dai_params(codec_dai, &codec_params); 078a85f2806f0f Charles Keepax 2019-01-31 1033 snd_soc_dapm_update_dai(substream, &codec_params, codec_dai); ddee627cf6bb60 Liam Girdwood 2011-06-09 1034 } ddee627cf6bb60 Liam Girdwood 2011-06-09 1035 a4be4187b2bfc6 Kuninori Morimoto 2020-03-09 1036 for_each_rtd_cpu_dais(rtd, i, cpu_dai) { ac950278b0872c Bard Liao 2023-06-07 1037 struct snd_pcm_hw_params cpu_params; ac950278b0872c Bard Liao 2023-06-07 1038 unsigned int ch_mask = 0; ac950278b0872c Bard Liao 2023-06-07 1039 int j; ac950278b0872c Bard Liao 2023-06-07 1040 0e9cf4c452ad7e Bard Liao 2020-02-25 1041 /* 0e9cf4c452ad7e Bard Liao 2020-02-25 1042 * Skip CPUs which don't support the current stream 0e9cf4c452ad7e Bard Liao 2020-02-25 1043 * type. See soc_pcm_init_runtime_hw() for more details 0e9cf4c452ad7e Bard Liao 2020-02-25 1044 */ 0e9cf4c452ad7e Bard Liao 2020-02-25 1045 if (!snd_soc_dai_stream_valid(cpu_dai, substream->stream)) 0e9cf4c452ad7e Bard Liao 2020-02-25 1046 continue; 0e9cf4c452ad7e Bard Liao 2020-02-25 1047 ac950278b0872c Bard Liao 2023-06-07 1048 /* copy params for each cpu */ ac950278b0872c Bard Liao 2023-06-07 1049 cpu_params = *params; ac950278b0872c Bard Liao 2023-06-07 1050 ac950278b0872c Bard Liao 2023-06-07 1051 if (!rtd->dai_link->codec_ch_maps) ac950278b0872c Bard Liao 2023-06-07 1052 goto hw_params; ac950278b0872c Bard Liao 2023-06-07 1053 /* ac950278b0872c Bard Liao 2023-06-07 1054 * construct cpu channel mask by combining ch_mask of each ac950278b0872c Bard Liao 2023-06-07 1055 * codec which maps to the cpu. ac950278b0872c Bard Liao 2023-06-07 1056 */ ac950278b0872c Bard Liao 2023-06-07 1057 for_each_rtd_codec_dais(rtd, j, codec_dai) { ac950278b0872c Bard Liao 2023-06-07 1058 if (rtd->dai_link->codec_ch_maps[j].connected_cpu_id == i) ac950278b0872c Bard Liao 2023-06-07 1059 ch_mask |= rtd->dai_link->codec_ch_maps[j].ch_mask; ac950278b0872c Bard Liao 2023-06-07 1060 } ac950278b0872c Bard Liao 2023-06-07 1061 ac950278b0872c Bard Liao 2023-06-07 1062 /* fixup cpu channel number */ ac950278b0872c Bard Liao 2023-06-07 1063 if (ch_mask) ac950278b0872c Bard Liao 2023-06-07 1064 soc_pcm_codec_params_fixup(&cpu_params, ch_mask); ac950278b0872c Bard Liao 2023-06-07 1065 ac950278b0872c Bard Liao 2023-06-07 1066 hw_params: ac950278b0872c Bard Liao 2023-06-07 1067 ret = snd_soc_dai_hw_params(cpu_dai, substream, &cpu_params); 93e6958a3674d2 Benoit Cousson 2014-07-08 1068 if (ret < 0) 4662c59688b8db Kuninori Morimoto 2020-09-29 1069 goto out; ddee627cf6bb60 Liam Girdwood 2011-06-09 1070 19bdcc7aeed416 Shreyas NC 2020-02-25 1071 /* store the parameters for each DAI */ ac950278b0872c Bard Liao 2023-06-07 1072 soc_pcm_set_dai_params(cpu_dai, &cpu_params); ac950278b0872c Bard Liao 2023-06-07 1073 snd_soc_dapm_update_dai(substream, &cpu_params, cpu_dai); 19bdcc7aeed416 Shreyas NC 2020-02-25 1074 } ca58221d2212af Kuninori Morimoto 2019-05-13 1075 3a36a64a2de469 Kuninori Morimoto 2020-09-29 1076 ret = snd_soc_pcm_component_hw_params(substream, params); ddee627cf6bb60 Liam Girdwood 2011-06-09 1077 out: 041107289c5ceb Kuninori Morimoto 2022-08-30 1078 if (ret < 0) b7898396f4bbe1 Takashi Iwai 2021-12-07 1079 soc_pcm_hw_clean(rtd, substream, 1); ddee627cf6bb60 Liam Girdwood 2011-06-09 1080 041107289c5ceb Kuninori Morimoto 2022-08-30 1081 return soc_pcm_ret(rtd, ret); ddee627cf6bb60 Liam Girdwood 2011-06-09 @1082 } ddee627cf6bb60 Liam Girdwood 2011-06-09 1083

:::::: The code at line 1082 was first introduced by commit :::::: ddee627cf6bb601aa980104fc17d4f84201380be ASoC: core - Separate out PCM operations into new file.

:::::: TO: Liam Girdwood lrg@ti.com :::::: CC: Mark Brown broonie@opensource.wolfsonmicro.com