Re: [RFC v2] cpuidle : Add support for pseudo-cpuidle driver

[kernel test robot <lkp@intel.com>]

[-- Attachment #1: Type: text/plain, Size: 3420 bytes --]

Hi Abhishek,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on pm/linux-next]
[also build test WARNING on linux/master linus/master v5.9-rc6 next-20200921]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Abhishek-Goel/cpuidle-Add-support-for-pseudo-cpuidle-driver/20200921-144126
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/cpuidle/cpuidle-test.c: In function 'add_cpuidle_states':
>> drivers/cpuidle/cpuidle-test.c:184:6: warning: variable 'rc' set but not used [-Wunused-but-set-variable]
     184 |  int rc;
         |      ^~

# https://github.com/0day-ci/linux/commit/d9e8ba5bf4c4223e99414f48d2049131f045551d
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Abhishek-Goel/cpuidle-Add-support-for-pseudo-cpuidle-driver/20200921-144126
git checkout d9e8ba5bf4c4223e99414f48d2049131f045551d
vim +/rc +184 drivers/cpuidle/cpuidle-test.c

   172	
   173	static int add_cpuidle_states(void)
   174	{
   175		/* Parse the module param and initialize the idle states here
   176		 * in cpuidle_state_table.
   177		 */
   178		char *this_param;
   179		char *input_name = name;
   180		char *input_res = residency_us;
   181		char *input_lat = latency_us;
   182		int index = 1;
   183		long temp;
 > 184		int rc;
   185	
   186		switch (sim_type) {
   187		case 1:
   188			cpuidle_state_table = cpuidle_states_ppc;
   189			return 0;
   190		case 2:
   191			cpuidle_state_table = cpuidle_states_intel;
   192			return 0;
   193		case 3:
   194			break;
   195		default:
   196			pr_warn("Sim value out of bound\n");
   197			break;
   198		}
   199	
   200		if (strnlen(input_name, MAX_PARAM_LENGTH)) {
   201			while ((this_param = strsep(&input_name, ",")) && index <= nr_states) {
   202				strcpy(cpuidle_states[index].name, this_param);
   203				cpuidle_states[index].enter = idle_loop;
   204				index++;
   205			}
   206		}
   207	
   208		if (strnlen(input_res, MAX_PARAM_LENGTH)) {
   209			index = 1;
   210			while ((this_param = strsep(&input_res, ",")) && index <= nr_states) {
   211				rc = kstrtol(this_param, 10, &temp);
   212				cpuidle_states[index].target_residency = temp;
   213				index++;
   214			}
   215		}
   216	
   217		if (strnlen(input_lat, MAX_PARAM_LENGTH)) {
   218			index = 1;
   219			while ((this_param = strsep(&input_lat, ",")) && index <= nr_states) {
   220				rc = kstrtol(this_param, 10, &temp);
   221				cpuidle_states[index].exit_latency = temp;
   222				index++;
   223			}
   224		}
   225	
   226		cpuidle_state_table = cpuidle_states;
   227		return nr_states;
   228	}
   229	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 74715 bytes --]