Hi "Rafael, I love your patch! Yet something to improve: [auto build test ERROR on pm/linux-next] [also build test ERROR on linux/master linus/master v5.5-rc7 next-20200124] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Rafael-J-Wysocki/cpufreq-Avoid-creating-excessively-large-stack-frames/20200124-214109 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: i386-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-3) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): drivers//cpufreq/longrun.c: In function 'longrun_verify_policy': >> drivers//cpufreq/longrun.c:133:13: error: 'struct cpufreq_policy_data' has no member named 'policy' if ((policy->policy != CPUFREQ_POLICY_POWERSAVE) && ^~ drivers//cpufreq/longrun.c:134:13: error: 'struct cpufreq_policy_data' has no member named 'policy' (policy->policy != CPUFREQ_POLICY_PERFORMANCE)) ^~ vim +133 drivers//cpufreq/longrun.c ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 116 ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 117 ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 118 /** ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 119 * longrun_verify_poliy - verifies a new CPUFreq policy ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 120 * @policy: the policy to verify ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 121 * ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 122 * Validates a new CPUFreq policy. This function has to be called with ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 123 * cpufreq_driver locked. ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 124 */ 3c163f547db03b drivers/cpufreq/longrun.c Rafael J. Wysocki 2020-01-23 125 static int longrun_verify_policy(struct cpufreq_policy_data *policy) ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 126 { ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 127 if (!policy) ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 128 return -EINVAL; ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 129 ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 130 policy->cpu = 0; be49e3465f222b drivers/cpufreq/longrun.c Viresh Kumar 2013-10-02 131 cpufreq_verify_within_cpu_limits(policy); ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 132 ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 @133 if ((policy->policy != CPUFREQ_POLICY_POWERSAVE) && ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 134 (policy->policy != CPUFREQ_POLICY_PERFORMANCE)) ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 135 return -EINVAL; ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 136 ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 137 return 0; ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 138 } ^1da177e4c3f41 arch/i386/kernel/cpu/cpufreq/longrun.c Linus Torvalds 2005-04-16 139 :::::: The code at line 133 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation