tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8404c9fbc84b741f66cff7d4934a25dd2c344452 commit: 02c587733c8161355a43e6e110c2e29bd0acff72 kasan: remove redundant config option date: 3 weeks ago config: arm64-randconfig-r034-20210506 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=02c587733c8161355a43e6e110c2e29bd0acff72 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 02c587733c8161355a43e6e110c2e29bd0acff72 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/media/dvb-frontends/stv090x.c:4685:12: warning: stack frame size of 8224 bytes in function 'stv090x_init' [-Wframe-larger-than=] static int stv090x_init(struct dvb_frontend *fe) ^ drivers/media/dvb-frontends/stv090x.c:1976:12: warning: stack frame size of 14240 bytes in function 'stv090x_blind_search' [-Wframe-larger-than=] static int stv090x_blind_search(struct stv090x_state *state) ^ 2 warnings generated. vim +/stv090x_init +4685 drivers/media/dvb-frontends/stv090x.c 6b9e50c463efc5c drivers/media/dvb-frontends/stv090x.c Andreas Regel 2012-03-11 4684 e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 @4685 static int stv090x_init(struct dvb_frontend *fe) e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4686 { e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4687 struct stv090x_state *state = fe->demodulator_priv; e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4688 const struct stv090x_config *config = state->config; e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4689 u32 reg; e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4690 9045e729447192a drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-01-05 4691 if (state->internal->mclk == 0) { 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4692 /* call tuner init to configure the tuner's clock output 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4693 divider directly before setting up the master clock of 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4694 the stv090x. */ 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4695 if (stv090x_i2c_gate_ctrl(state, 1) < 0) 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4696 goto err; 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4697 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4698 if (config->tuner_init) { 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4699 if (config->tuner_init(fe) < 0) 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4700 goto err_gateoff; 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4701 } 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4702 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4703 if (stv090x_i2c_gate_ctrl(state, 0) < 0) 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4704 goto err; 5817ea0c83665db drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-02-13 4705 9045e729447192a drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-01-05 4706 stv090x_set_mclk(state, 135000000, config->xtal); /* 135 Mhz */ 9045e729447192a drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-01-05 4707 msleep(5); 9045e729447192a drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-01-05 4708 if (stv090x_write_reg(state, STV090x_SYNTCTRL, 9045e729447192a drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-01-05 4709 0x20 | config->clk_mode) < 0) 9045e729447192a drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-01-05 4710 goto err; 9045e729447192a drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-01-05 4711 stv090x_get_mclk(state); 9045e729447192a drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-01-05 4712 } 9045e729447192a drivers/media/dvb/frontends/stv090x.c Andreas Regel 2010-01-05 4713 cbc320d2782cbb0 drivers/media/dvb/frontends/stv090x.c Andreas Regel 2009-04-23 4714 if (stv090x_wakeup(fe) < 0) { cbc320d2782cbb0 drivers/media/dvb/frontends/stv090x.c Andreas Regel 2009-04-23 4715 dprintk(FE_ERROR, 1, "Error waking device"); cbc320d2782cbb0 drivers/media/dvb/frontends/stv090x.c Andreas Regel 2009-04-23 4716 goto err; cbc320d2782cbb0 drivers/media/dvb/frontends/stv090x.c Andreas Regel 2009-04-23 4717 } cbc320d2782cbb0 drivers/media/dvb/frontends/stv090x.c Andreas Regel 2009-04-23 4718 27d403214317d42 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-05-02 4719 if (stv090x_ldpc_mode(state, state->demod_mode) < 0) 27d403214317d42 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-05-02 4720 goto err; e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4721 e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4722 reg = STV090x_READ_DEMOD(state, TNRCFG2); e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4723 STV090x_SETFIELD_Px(reg, TUN_IQSWAP_FIELD, state->inversion); e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4724 if (STV090x_WRITE_DEMOD(state, TNRCFG2, reg) < 0) e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4725 goto err; e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4726 reg = STV090x_READ_DEMOD(state, DEMOD); e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4727 STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff); e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4728 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0) e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4729 goto err; e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4730 19c4ee58325ac7c drivers/media/dvb/frontends/stv090x.c Manu Abraham 2010-01-22 4731 if (stv090x_i2c_gate_ctrl(state, 1) < 0) 27d403214317d42 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-05-02 4732 goto err; 27d403214317d42 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-05-02 4733 27d403214317d42 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-05-02 4734 if (config->tuner_set_mode) { 27d403214317d42 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-05-02 4735 if (config->tuner_set_mode(fe, TUNER_WAKE) < 0) 2c1f750ba3fbd4a drivers/media/dvb/frontends/stv090x.c Oliver Endriss 2010-01-10 4736 goto err_gateoff; 27d403214317d42 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-05-02 4737 } e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4738 27d403214317d42 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-05-02 4739 if (config->tuner_init) { 27d403214317d42 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-05-02 4740 if (config->tuner_init(fe) < 0) 2c1f750ba3fbd4a drivers/media/dvb/frontends/stv090x.c Oliver Endriss 2010-01-10 4741 goto err_gateoff; 27d403214317d42 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-05-02 4742 } e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4743 19c4ee58325ac7c drivers/media/dvb/frontends/stv090x.c Manu Abraham 2010-01-22 4744 if (stv090x_i2c_gate_ctrl(state, 0) < 0) 27d403214317d42 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-05-02 4745 goto err; e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4746 6b9e50c463efc5c drivers/media/dvb-frontends/stv090x.c Andreas Regel 2012-03-11 4747 if (state->device == STV0900) { 6b9e50c463efc5c drivers/media/dvb-frontends/stv090x.c Andreas Regel 2012-03-11 4748 if (stv0900_set_tspath(state) < 0) 27d403214317d42 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-05-02 4749 goto err; 6b9e50c463efc5c drivers/media/dvb-frontends/stv090x.c Andreas Regel 2012-03-11 4750 } else { 6b9e50c463efc5c drivers/media/dvb-frontends/stv090x.c Andreas Regel 2012-03-11 4751 if (stv0903_set_tspath(state) < 0) 6b9e50c463efc5c drivers/media/dvb-frontends/stv090x.c Andreas Regel 2012-03-11 4752 goto err; 6b9e50c463efc5c drivers/media/dvb-frontends/stv090x.c Andreas Regel 2012-03-11 4753 } e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4754 e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4755 return 0; 2c1f750ba3fbd4a drivers/media/dvb/frontends/stv090x.c Oliver Endriss 2010-01-10 4756 2c1f750ba3fbd4a drivers/media/dvb/frontends/stv090x.c Oliver Endriss 2010-01-10 4757 err_gateoff: 19c4ee58325ac7c drivers/media/dvb/frontends/stv090x.c Manu Abraham 2010-01-22 4758 stv090x_i2c_gate_ctrl(state, 0); e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4759 err: e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4760 dprintk(FE_ERROR, 1, "I/O error"); e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4761 return -1; e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4762 } e415c689a884267 drivers/media/dvb/frontends/stv090x.c Manu Abraham 2009-04-06 4763 :::::: The code at line 4685 was first introduced by commit :::::: e415c689a8842670e161581f060575c14957f073 V4L/DVB (11579): Initial go at TT S2-1600 :::::: TO: Manu Abraham <abraham.manu@xxxxxxxxx> :::::: CC: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip