* [linux-stable-rc:linux-5.10.y 9981/9999] kernel/sched/sched.h:2560:22: error: no member named 'cpu_capacity_inverted' in 'struct rq'
@ 2023-03-15 17:29 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-03-15 17:29 UTC (permalink / raw)
To: Qais Yousef
Cc: llvm, oe-kbuild-all, Greg Kroah-Hartman, Peter Zijlstra (Intel),
Qais Yousef (Google)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
head: 420b6d10bae34ef9aa0d118b31afec6107595e72
commit: ad3483567b602cacd53a6409ba669d09cf77af0a [9981/9999] sched/fair: Detect capacity inversion
config: mips-randconfig-r023-20230312 (https://download.01.org/0day-ci/archive/20230316/202303160148.SwuV7dSc-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
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 mips cross compiling tool for clang build
# apt-get install binutils-mipsel-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=ad3483567b602cacd53a6409ba669d09cf77af0a
git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git fetch --no-tags linux-stable-rc linux-5.10.y
git checkout ad3483567b602cacd53a6409ba669d09cf77af0a
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303160148.SwuV7dSc-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from kernel/sched/clock.c:56:
>> kernel/sched/sched.h:2560:22: error: no member named 'cpu_capacity_inverted' in 'struct rq'
return cpu_rq(cpu)->cpu_capacity_inverted;
~~~~~~~~~~~ ^
1 error generated.
--
In file included from kernel/sched/core.c:13:
>> kernel/sched/sched.h:2560:22: error: no member named 'cpu_capacity_inverted' in 'struct rq'
return cpu_rq(cpu)->cpu_capacity_inverted;
~~~~~~~~~~~ ^
kernel/sched/core.c:2430:13: warning: variable 'rq' set but not used [-Wunused-but-set-variable]
struct rq *rq;
^
1 warning and 1 error generated.
vim +2560 kernel/sched/sched.h
2544
2545 /*
2546 * Returns inverted capacity if the CPU is in capacity inversion state.
2547 * 0 otherwise.
2548 *
2549 * Capacity inversion detection only considers thermal impact where actual
2550 * performance points (OPPs) gets dropped.
2551 *
2552 * Capacity inversion state happens when another performance domain that has
2553 * equal or lower capacity_orig_of() becomes effectively larger than the perf
2554 * domain this CPU belongs to due to thermal pressure throttling it hard.
2555 *
2556 * See comment in update_cpu_capacity().
2557 */
2558 static inline unsigned long cpu_in_capacity_inversion(int cpu)
2559 {
> 2560 return cpu_rq(cpu)->cpu_capacity_inverted;
2561 }
2562
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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