Hi Dongjiu, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on arm64/for-next/core] [also build test WARNING on v4.17] [cannot apply to next-20180607] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Dongjiu-Geng/support-exception-state-migration-and-set-VSESR_EL2-by-user-space/20180608-063827 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: arm64-defconfig (attached as .config) compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm64 All warnings (new ones prefixed by >>): arch/arm64/kvm/guest.c: In function 'kvm_arm_vcpu_get_events': >> arch/arm64/kvm/guest.c:295:26: warning: argument to 'sizeof' in 'memset' call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset(events, 0, sizeof(events)); ^ vim +295 arch/arm64/kvm/guest.c 291 292 int kvm_arm_vcpu_get_events(struct kvm_vcpu *vcpu, 293 struct kvm_vcpu_events *events) 294 { > 295 memset(events, 0, sizeof(events)); 296 297 events->exception.serror_pending = !!(vcpu->arch.hcr_el2 & HCR_VSE); 298 events->exception.serror_has_esr = 299 cpus_have_const_cap(ARM64_HAS_RAS_EXTN); 300 301 if (events->exception.serror_pending && 302 events->exception.serror_has_esr) 303 events->exception.serror_esr = vcpu_get_vsesr(vcpu); 304 else 305 events->exception.serror_esr = 0; 306 307 return 0; 308 } 309 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: application/gzip
