From: kernel test robot <lkp@intel.com>
To: Zhang Rui <rui.zhang@intel.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-acpi@vger.kernel.org,
devel@acpica.org, linux-pm@vger.kernel.org,
"Rafael J. Wysocki" <rjw@rjwysocki.net>
Subject: [rafael-pm:bleeding-edge 44/56] drivers/acpi/processor_idle.c:464:22: warning: unused variable 'i'
Date: Thu, 10 Apr 2025 11:51:46 +0800 [thread overview]
Message-ID: <202504101132.pgiDBR2Q-lkp@intel.com> (raw)
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@intel.com/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@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504101132.pgiDBR2Q-lkp@intel.com/
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@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2025-04-10 3:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-10 3:51 kernel test robot [this message]
2025-04-10 7:56 ` [rafael-pm:bleeding-edge 44/56] drivers/acpi/processor_idle.c:464:22: warning: unused variable 'i' Zhang, Rui
2025-04-10 12:18 ` Rafael J. Wysocki
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