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Date: Tue, 18 Oct 2022 01:31:19 +0800
From: kernel test robot <lkp@...el.com>
To: Sean Christopherson <seanjc@...gle.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [sean-jc:x86/rework_kvm_init 39/39]
arch/riscv/kvm/../../../virt/kvm/kvm_main.c:5731:17: error: implicit
declaration of function 'hardware_disable_nolock'; did you mean
'hardware_disable_all'?
tree: https://github.com/sean-jc/linux x86/rework_kvm_init
head: 419450c654fa58b3708d7b15cb6b20dfb80b472a
commit: 419450c654fa58b3708d7b15cb6b20dfb80b472a [39/39] KVM: Allow architectures to opt out of generic hardware enabling
config: riscv-randconfig-r034-20221017
compiler: riscv32-linux-gcc (GCC) 12.1.0
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
# https://github.com/sean-jc/linux/commit/419450c654fa58b3708d7b15cb6b20dfb80b472a
git remote add sean-jc https://github.com/sean-jc/linux
git fetch --no-tags sean-jc x86/rework_kvm_init
git checkout 419450c654fa58b3708d7b15cb6b20dfb80b472a
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
arch/riscv/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_suspend':
>> arch/riscv/kvm/../../../virt/kvm/kvm_main.c:5731:17: error: implicit declaration of function 'hardware_disable_nolock'; did you mean 'hardware_disable_all'? [-Werror=implicit-function-declaration]
5731 | hardware_disable_nolock(NULL);
| ^~~~~~~~~~~~~~~~~~~~~~~
| hardware_disable_all
arch/riscv/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_resume':
>> arch/riscv/kvm/../../../virt/kvm/kvm_main.c:5741:17: error: implicit declaration of function 'hardware_enable_nolock'; did you mean 'hardware_enable_all'? [-Werror=implicit-function-declaration]
5741 | hardware_enable_nolock(NULL);
| ^~~~~~~~~~~~~~~~~~~~~~
| hardware_enable_all
arch/riscv/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_exit':
>> arch/riscv/kvm/../../../virt/kvm/kvm_main.c:5960:37: error: 'kvm_reboot_notifier' undeclared (first use in this function); did you mean 'kvm_irq_has_notifier'?
5960 | unregister_reboot_notifier(&kvm_reboot_notifier);
| ^~~~~~~~~~~~~~~~~~~
| kvm_irq_has_notifier
arch/riscv/kvm/../../../virt/kvm/kvm_main.c:5960:37: note: each undeclared identifier is reported only once for each function it appears in
arch/riscv/kvm/../../../virt/kvm/kvm_main.c: At top level:
arch/riscv/kvm/../../../virt/kvm/kvm_main.c:106:17: warning: 'hardware_enable_failed' defined but not used [-Wunused-variable]
106 | static atomic_t hardware_enable_failed;
| ^~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +5731 arch/riscv/kvm/../../../virt/kvm/kvm_main.c
6aa8b732ca01c3d drivers/kvm/kvm_main.c Avi Kivity 2006-12-10 5718
fb3600cc50302c9 virt/kvm/kvm_main.c Rafael J. Wysocki 2011-03-23 5719 static int kvm_suspend(void)
59ae6c6b87711ce drivers/kvm/kvm_main.c Avi Kivity 2007-02-12 5720 {
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5721 /*
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5722 * Secondary CPUs and CPU hotplug are disabled across the suspend/resume
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5723 * callbacks, i.e. no need to acquire kvm_lock to ensure the usage count
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5724 * is stable. Assert that kvm_lock is not held as a paranoid sanity
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5725 * check that the system isn't suspended when KVM is enabling hardware.
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5726 */
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5727 lockdep_assert_not_held(&kvm_lock);
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5728 lockdep_assert_irqs_disabled();
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5729
10474ae8945ce08 virt/kvm/kvm_main.c Alexander Graf 2009-09-15 5730 if (kvm_usage_count)
75b7127c3858261 virt/kvm/kvm_main.c Takuya Yoshikawa 2010-11-16 @5731 hardware_disable_nolock(NULL);
59ae6c6b87711ce drivers/kvm/kvm_main.c Avi Kivity 2007-02-12 5732 return 0;
59ae6c6b87711ce drivers/kvm/kvm_main.c Avi Kivity 2007-02-12 5733 }
59ae6c6b87711ce drivers/kvm/kvm_main.c Avi Kivity 2007-02-12 5734
fb3600cc50302c9 virt/kvm/kvm_main.c Rafael J. Wysocki 2011-03-23 5735 static void kvm_resume(void)
59ae6c6b87711ce drivers/kvm/kvm_main.c Avi Kivity 2007-02-12 5736 {
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5737 lockdep_assert_not_held(&kvm_lock);
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5738 lockdep_assert_irqs_disabled();
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5739
bd02e24b780adda virt/kvm/kvm_main.c Isaku Yamahata 2022-09-22 5740 if (kvm_usage_count)
75b7127c3858261 virt/kvm/kvm_main.c Takuya Yoshikawa 2010-11-16 @5741 hardware_enable_nolock(NULL);
ca84d1a24c376e0 virt/kvm/kvm_main.c Zachary Amsden 2010-08-19 5742 }
59ae6c6b87711ce drivers/kvm/kvm_main.c Avi Kivity 2007-02-12 5743
:::::: The code at line 5731 was first introduced by commit
:::::: 75b7127c3858261fc080dd52a022424a7e7f6ae5 KVM: rename hardware_[dis|en]able() to *_nolock() and add locking wrappers
:::::: TO: Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>
:::::: CC: Avi Kivity <avi@...hat.com>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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