Hi Kalesh, Thank you for the patch! Yet something to improve: [auto build test ERROR on f2906aa863381afb0015a9eb7fefad885d4e5a56] url: https://github.com/intel-lab-lkp/linux/commits/Kalesh-Singh/KVM-nVHE-Hypervisor-stack-unwinder/20220608-011351 base: f2906aa863381afb0015a9eb7fefad885d4e5a56 config: arm64-randconfig-c024-20220612 (https://download.01.org/0day-ci/archive/20220613/202206131423.8tjrMBgk-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 11.3.0 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/intel-lab-lkp/linux/commit/ac1ce397ffe5b05df06cdb56a30db4099c7428ec git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Kalesh-Singh/KVM-nVHE-Hypervisor-stack-unwinder/20220608-011351 git checkout ac1ce397ffe5b05df06cdb56a30db4099c7428ec # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): aarch64-linux-ld: arch/arm64/kernel/stacktrace.o: in function `hyp_dump_backtrace': >> arch/arm64/kernel/stacktrace.c:254: undefined reference to `kvm_arm_hyp_stacktrace_page' aarch64-linux-ld: arch/arm64/kernel/stacktrace.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `kvm_arm_hyp_stacktrace_page' which may bind externally can not be used when making a shared object; recompile with -fPIC arch/arm64/kernel/stacktrace.c:254:(.text+0x634): dangerous relocation: unsupported relocation >> aarch64-linux-ld: arch/arm64/kernel/stacktrace.c:254: undefined reference to `kvm_arm_hyp_stacktrace_page' pahole: .tmp_vmlinux.btf: No such file or directory .btf.vmlinux.bin.o: file not recognized: file format not recognized vim +254 arch/arm64/kernel/stacktrace.c 246 247 /** 248 * Symbolizes and dumps the hypervisor backtrace from the shared 249 * stacktrace page. 250 */ 251 noinline notrace void hyp_dump_backtrace(unsigned long hyp_offset) 252 { 253 unsigned long *stacktrace_pos = > 254 (unsigned long *)*this_cpu_ptr(&kvm_arm_hyp_stacktrace_page); 255 unsigned long va_mask = GENMASK_ULL(vabits_actual - 1, 0); 256 unsigned long pc = *stacktrace_pos++; 257 258 kvm_err("nVHE HYP call trace:\n"); 259 260 while (pc) { 261 pc &= va_mask; /* Mask tags */ 262 pc += hyp_offset; /* Convert to kern addr */ 263 kvm_err("[<%016lx>] %pB\n", pc, (void *)pc); 264 pc = *stacktrace_pos++; 265 } 266 267 kvm_err("---- end of nVHE HYP call trace ----\n"); 268 } 269 #else /* __KVM_NVHE_HYPERVISOR__ */ 270 DEFINE_PER_CPU(unsigned long [PAGE_SIZE/sizeof(long)], overflow_stack) 271 __aligned(16); 272 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
