Hi Tianyi, kernel test robot noticed the following build warnings: [auto build test WARNING on 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa] url: https://github.com/intel-lab-lkp/linux/commits/Tianyi-Liu/KVM-Add-arch-specific-interfaces-for-sampling-guest-callchains/20231008-230042 base: 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa patch link: https://lore.kernel.org/r/SY4P282MB10840154D4F09917D6528BC69DCFA%40SY4P282MB1084.AUSP282.PROD.OUTLOOK.COM patch subject: [PATCH v2 1/5] KVM: Add arch specific interfaces for sampling guest callchains config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20231009/202310090559.wzrojQni-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231009/202310090559.wzrojQni-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310090559.wzrojQni-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): arch/x86/kvm/x86.c: In function 'kvm_arch_vcpu_read_virt': >> arch/x86/kvm/x86.c:12917:42: warning: passing argument 2 of 'kvm_read_guest_virt' makes integer from pointer without a cast [-Wint-conversion] 12917 | return kvm_read_guest_virt(vcpu, addr, dest, length, &e) == X86EMUL_CONTINUE; | ^~~~ | | | void * arch/x86/kvm/x86.c:7388:38: note: expected 'gva_t' {aka 'long unsigned int'} but argument is of type 'void *' 7388 | gva_t addr, void *val, unsigned int bytes, | ~~~~~~^~~~ vim +/kvm_read_guest_virt +12917 arch/x86/kvm/x86.c 12911 12912 bool kvm_arch_vcpu_read_virt(struct kvm_vcpu *vcpu, void *addr, void *dest, unsigned int length) 12913 { 12914 struct x86_exception e; 12915 12916 /* Return true on success */ 12917 return kvm_read_guest_virt(vcpu, addr, dest, length, &e) == X86EMUL_CONTINUE; 12918 } 12919 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
