* [kvm:queue 11/44] arch/x86/kernel/kvm.c:672:2: error: implicit declaration of function 'kvm_guest_cpu_offline'
@ 2021-05-07 0:13 kernel test robot
2021-05-07 7:44 ` Paolo Bonzini
0 siblings, 1 reply; 3+ messages in thread
From: kernel test robot @ 2021-05-07 0:13 UTC (permalink / raw)
To: Vitaly Kuznetsov
Cc: kbuild-all, clang-built-linux, kvm, Robert Hu, Farrah Chen,
Danmei Wei, Paolo Bonzini
[-- Attachment #1: Type: text/plain, Size: 2273 bytes --]
tree: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
head: c6d517aecd40b25ea05c593962b2c4b085092343
commit: 9140e381e0f2f8cb1c628c29730ece2a52cb4cbc [11/44] x86/kvm: Teardown PV features on boot CPU as well
config: x86_64-randconfig-a001-20210506 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
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 x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=9140e381e0f2f8cb1c628c29730ece2a52cb4cbc
git remote add kvm https://git.kernel.org/pub/scm/virt/kvm/kvm.git
git fetch --no-tags kvm queue
git checkout 9140e381e0f2f8cb1c628c29730ece2a52cb4cbc
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
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 >>):
>> arch/x86/kernel/kvm.c:672:2: error: implicit declaration of function 'kvm_guest_cpu_offline' [-Werror,-Wimplicit-function-declaration]
kvm_guest_cpu_offline();
^
arch/x86/kernel/kvm.c:672:2: note: did you mean 'kvm_guest_cpu_init'?
arch/x86/kernel/kvm.c:332:13: note: 'kvm_guest_cpu_init' declared here
static void kvm_guest_cpu_init(void)
^
>> arch/x86/kernel/kvm.c:679:2: error: implicit declaration of function 'kvm_cpu_online' [-Werror,-Wimplicit-function-declaration]
kvm_cpu_online(raw_smp_processor_id());
^
2 errors generated.
vim +/kvm_guest_cpu_offline +672 arch/x86/kernel/kvm.c
669
670 static int kvm_suspend(void)
671 {
> 672 kvm_guest_cpu_offline();
673
674 return 0;
675 }
676
677 static void kvm_resume(void)
678 {
> 679 kvm_cpu_online(raw_smp_processor_id());
680 }
681
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [kvm:queue 11/44] arch/x86/kernel/kvm.c:672:2: error: implicit declaration of function 'kvm_guest_cpu_offline'
2021-05-07 0:13 [kvm:queue 11/44] arch/x86/kernel/kvm.c:672:2: error: implicit declaration of function 'kvm_guest_cpu_offline' kernel test robot
@ 2021-05-07 7:44 ` Paolo Bonzini
2021-05-07 8:52 ` Vitaly Kuznetsov
0 siblings, 1 reply; 3+ messages in thread
From: Paolo Bonzini @ 2021-05-07 7:44 UTC (permalink / raw)
To: kernel test robot, Vitaly Kuznetsov
Cc: kbuild-all, clang-built-linux, kvm, Robert Hu, Farrah Chen, Danmei Wei
On 07/05/21 02:13, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
> head: c6d517aecd40b25ea05c593962b2c4b085092343
> commit: 9140e381e0f2f8cb1c628c29730ece2a52cb4cbc [11/44] x86/kvm: Teardown PV features on boot CPU as well
> config: x86_64-randconfig-a001-20210506 (attached as .config)
> compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
> 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 x86_64 cross compiling tool for clang build
> # apt-get install binutils-x86-64-linux-gnu
> # https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=9140e381e0f2f8cb1c628c29730ece2a52cb4cbc
> git remote add kvm https://git.kernel.org/pub/scm/virt/kvm/kvm.git
> git fetch --no-tags kvm queue
> git checkout 9140e381e0f2f8cb1c628c29730ece2a52cb4cbc
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
kvm_guest_cpu_offline must be placed outside #ifdef CONFIG_SMP. I fixed
it up.
Paolo
>
> All errors (new ones prefixed by >>):
>
>>> arch/x86/kernel/kvm.c:672:2: error: implicit declaration of function 'kvm_guest_cpu_offline' [-Werror,-Wimplicit-function-declaration]
> kvm_guest_cpu_offline();
> ^
> arch/x86/kernel/kvm.c:672:2: note: did you mean 'kvm_guest_cpu_init'?
> arch/x86/kernel/kvm.c:332:13: note: 'kvm_guest_cpu_init' declared here
> static void kvm_guest_cpu_init(void)
> ^
>>> arch/x86/kernel/kvm.c:679:2: error: implicit declaration of function 'kvm_cpu_online' [-Werror,-Wimplicit-function-declaration]
> kvm_cpu_online(raw_smp_processor_id());
> ^
> 2 errors generated.
>
>
> vim +/kvm_guest_cpu_offline +672 arch/x86/kernel/kvm.c
>
> 669
> 670 static int kvm_suspend(void)
> 671 {
> > 672 kvm_guest_cpu_offline();
> 673
> 674 return 0;
> 675 }
> 676
> 677 static void kvm_resume(void)
> 678 {
> > 679 kvm_cpu_online(raw_smp_processor_id());
> 680 }
> 681
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [kvm:queue 11/44] arch/x86/kernel/kvm.c:672:2: error: implicit declaration of function 'kvm_guest_cpu_offline'
2021-05-07 7:44 ` Paolo Bonzini
@ 2021-05-07 8:52 ` Vitaly Kuznetsov
0 siblings, 0 replies; 3+ messages in thread
From: Vitaly Kuznetsov @ 2021-05-07 8:52 UTC (permalink / raw)
To: Paolo Bonzini, kernel test robot
Cc: kbuild-all, clang-built-linux, kvm, Robert Hu, Farrah Chen, Danmei Wei
Paolo Bonzini <pbonzini@redhat.com> writes:
> On 07/05/21 02:13, kernel test robot wrote:
>> tree: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
>> head: c6d517aecd40b25ea05c593962b2c4b085092343
>> commit: 9140e381e0f2f8cb1c628c29730ece2a52cb4cbc [11/44] x86/kvm: Teardown PV features on boot CPU as well
>> config: x86_64-randconfig-a001-20210506 (attached as .config)
>> compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
>> 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 x86_64 cross compiling tool for clang build
>> # apt-get install binutils-x86-64-linux-gnu
>> # https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=9140e381e0f2f8cb1c628c29730ece2a52cb4cbc
>> git remote add kvm https://git.kernel.org/pub/scm/virt/kvm/kvm.git
>> git fetch --no-tags kvm queue
>> git checkout 9140e381e0f2f8cb1c628c29730ece2a52cb4cbc
>> # save the attached .config to linux build tree
>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
>>
>> If you fix the issue, kindly add following tag as appropriate
>> Reported-by: kernel test robot <lkp@intel.com>
>
> kvm_guest_cpu_offline must be placed outside #ifdef CONFIG_SMP.
... and kvm_guest_cpu_online() too.
> I fixed it up.
>
Thanks!
--
Vitaly
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-05-07 8:52 UTC | newest]
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2021-05-07 0:13 [kvm:queue 11/44] arch/x86/kernel/kvm.c:672:2: error: implicit declaration of function 'kvm_guest_cpu_offline' kernel test robot
2021-05-07 7:44 ` Paolo Bonzini
2021-05-07 8:52 ` Vitaly Kuznetsov
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