* [kvm:master 53/130] include/linux/kvm_host.h:270:9: error: implicit declaration of function 'single_task_running'
@ 2021-05-26 23:11 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-05-26 23:11 UTC (permalink / raw)
To: Wanpeng Li
Cc: kbuild-all, clang-built-linux, kvm, Robert Hu, Farrah Chen,
Danmei Wei, Paolo Bonzini, David Matlack, Venkatesh Srinivas
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tree: https://git.kernel.org/pub/scm/virt/kvm/kvm.git master
head: f7d7a93c553f6242b1732b64edc8120c7a061b78
commit: 85d4c3baeb45cb5f522a71d88cbd34e4824c9f22 [53/130] KVM: PPC: exit halt polling on need_resched()
config: powerpc-randconfig-r021-20210526 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 99155e913e9bad5f7f8a247f8bb3a3ff3da74af1)
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 powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=85d4c3baeb45cb5f522a71d88cbd34e4824c9f22
git remote add kvm https://git.kernel.org/pub/scm/virt/kvm/kvm.git
git fetch --no-tags kvm master
git checkout 85d4c3baeb45cb5f522a71d88cbd34e4824c9f22
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from arch/powerpc/kernel/asm-offsets.c:38:
In file included from arch/powerpc/include/asm/dbell.h:17:
In file included from arch/powerpc/include/asm/kvm_ppc.h:19:
>> include/linux/kvm_host.h:270:9: error: implicit declaration of function 'single_task_running' [-Werror,-Wimplicit-function-declaration]
return single_task_running() && !need_resched() && ktime_before(cur, stop);
^
1 error generated.
--
In file included from arch/powerpc/kernel/asm-offsets.c:38:
In file included from arch/powerpc/include/asm/dbell.h:17:
In file included from arch/powerpc/include/asm/kvm_ppc.h:19:
>> include/linux/kvm_host.h:270:9: error: implicit declaration of function 'single_task_running' [-Werror,-Wimplicit-function-declaration]
return single_task_running() && !need_resched() && ktime_before(cur, stop);
^
1 error generated.
make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1227: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:215: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/single_task_running +270 include/linux/kvm_host.h
267
268 static inline bool kvm_vcpu_can_poll(ktime_t cur, ktime_t stop)
269 {
> 270 return single_task_running() && !need_resched() && ktime_before(cur, stop);
271 }
272
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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