Hi Zhang, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge head: 655d33f14d6cebcf46e422bcb9d225d791bba42f commit: 8ea9d119e7c666b6d87697af1b69193354c865d1 [44/56] ACPI: processor: idle: Remove redundant pr->power.count assignment config: i386-buildonly-randconfig-003-20250409 (https://download.01.org/0day-ci/archive/20250410/202504101132.pgiDBR2Q-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250410/202504101132.pgiDBR2Q-lkp@xxxxxxxxx/reproduce) 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202504101132.pgiDBR2Q-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/acpi/processor_idle.c: In function 'acpi_processor_get_cstate_info': >> drivers/acpi/processor_idle.c:464:22: warning: unused variable 'i' [-Wunused-variable] 464 | unsigned int i; | ^ vim +/i +464 drivers/acpi/processor_idle.c ^1da177e4c3f415 Linus Torvalds 2005-04-16 461 a36a7fecfe60717 Sudeep Holla 2016-07-21 462 static int acpi_processor_get_cstate_info(struct acpi_processor *pr) ^1da177e4c3f415 Linus Torvalds 2005-04-16 463 { ^1da177e4c3f415 Linus Torvalds 2005-04-16 @464 unsigned int i; ^1da177e4c3f415 Linus Torvalds 2005-04-16 465 int result; ^1da177e4c3f415 Linus Torvalds 2005-04-16 466 ^1da177e4c3f415 Linus Torvalds 2005-04-16 467 ^1da177e4c3f415 Linus Torvalds 2005-04-16 468 /* NOTE: the idle thread may not be running while calling ^1da177e4c3f415 Linus Torvalds 2005-04-16 469 * this function */ ^1da177e4c3f415 Linus Torvalds 2005-04-16 470 991528d73486679 Venkatesh Pallipadi 2006-09-25 471 /* Zero initialize all the C-states info. */ 991528d73486679 Venkatesh Pallipadi 2006-09-25 472 memset(pr->power.states, 0, sizeof(pr->power.states)); 991528d73486679 Venkatesh Pallipadi 2006-09-25 473 ^1da177e4c3f415 Linus Torvalds 2005-04-16 474 result = acpi_processor_get_power_info_cst(pr); 6d93c64803a5fea Venkatesh Pallipadi 2005-09-15 475 if (result == -ENODEV) c5a114f1fb2d3c5 Darrick J. Wong 2006-10-19 476 result = acpi_processor_get_power_info_fadt(pr); 6d93c64803a5fea Venkatesh Pallipadi 2005-09-15 477 991528d73486679 Venkatesh Pallipadi 2006-09-25 478 if (result) 991528d73486679 Venkatesh Pallipadi 2006-09-25 479 return result; 991528d73486679 Venkatesh Pallipadi 2006-09-25 480 991528d73486679 Venkatesh Pallipadi 2006-09-25 481 acpi_processor_get_power_info_default(pr); 991528d73486679 Venkatesh Pallipadi 2006-09-25 482 cf82478840188f8 Janosch Machowinski 2005-08-20 483 pr->power.count = acpi_processor_power_verify(pr); 8fa2f8bd6ad10ec Zhang Rui 2025-04-09 484 pr->flags.power = 1; ^1da177e4c3f415 Linus Torvalds 2005-04-16 485 d550d98d3317378 Patrick Mochel 2006-06-27 486 return 0; ^1da177e4c3f415 Linus Torvalds 2005-04-16 487 } ^1da177e4c3f415 Linus Torvalds 2005-04-16 488 :::::: The code at line 464 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
