kernel test robot <lkp@xxxxxxxxx> writes: > 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-c022-20210506 (attached as .config) > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 > reproduce (this is a W=1 build): > # 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 > make W=1 W=1 ARCH=x86_64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > arch/x86/kernel/kvm.c: In function 'kvm_suspend': >>> arch/x86/kernel/kvm.c:672:2: error: implicit declaration of function 'kvm_guest_cpu_offline'; did you mean 'kvm_guest_cpu_init'? [-Werror=implicit-function-declaration] > 672 | kvm_guest_cpu_offline(); > | ^~~~~~~~~~~~~~~~~~~~~ > | kvm_guest_cpu_init > arch/x86/kernel/kvm.c: In function 'kvm_resume': >>> arch/x86/kernel/kvm.c:679:2: error: implicit declaration of function 'kvm_cpu_online'; did you mean 'irq_cpu_online'? [-Werror=implicit-function-declaration] > 679 | kvm_cpu_online(raw_smp_processor_id()); > | ^~~~~~~~~~~~~~ > | irq_cpu_online > cc1: some warnings being treated as errors > Oh well, we just need a quantum PC and something like 'make allpossibleconfig' to make issues like this one go away forever :-) I'm on it, soemthing needs to be done for !CONFIG_SMP case. -- Vitaly
