[kbuild-all] Re: [linux-next:master 7952/12404] arch/arm64/kvm/handle_exit.c:318:4: error: implicit declaration of function 'bug_get_file_line'

On Wed, 14 Apr 2021 05:39:56 +0100, kernel test robot <lkp(a)intel.com&gt; wrote: > > Hi Andrew, > > FYI, the error/warning still remains. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: dcf1b51d6b2ac5da234ae6883ed0e9422c339588 > commit: aec0fae62e47050019474936248a311a0ab08705 [7952/12404] KVM: arm64: Log source when panicking from nVHE hyp > config: arm64-randconfig-r004-20210413 (attached as .config) > compiler: aarch64-linux-gcc (GCC) 9.3.0 > 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout aec0fae62e47050019474936248a311a0ab08705 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp(a)intel.com&gt; [...] > vim +/bug_get_file_line +318 arch/arm64/kvm/handle_exit.c > > 294 > 295 void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr, u64 elr, > 296 u64 par, uintptr_t vcpu, > 297 u64 far, u64 hpfar) { > 298 u64 elr_in_kimg = __phys_to_kimg(__hyp_pa(elr)); > 299 u64 hyp_offset = elr_in_kimg - kaslr_offset() - elr; > 300 u64 mode = spsr & PSR_MODE_MASK; > 301 > 302 /* > 303 * The nVHE hyp symbols are not included by kallsyms to avoid issues > 304 * with aliasing. That means that the symbols cannot be printed with the > 305 * "%pS" format specifier, so fall back to the vmlinux address if > 306 * there's no better option. > 307 */ > 308 if (mode != PSR_MODE_EL2t && mode != PSR_MODE_EL2h) { > 309 kvm_err("Invalid host exception to nVHE hyp!\n"); > 310 } else if (ESR_ELx_EC(esr) == ESR_ELx_EC_BRK64 && > 311 (esr & ESR_ELx_BRK64_ISS_COMMENT_MASK) == BUG_BRK_IMM) { > 312 struct bug_entry *bug = find_bug(elr_in_kimg); > 313 const char *file = NULL; > 314 unsigned int line = 0; > 315 > 316 /* All hyp bugs, including warnings, are treated as fatal. */ > 317 if (bug) > > 318 bug_get_file_line(bug, &file, &line); Andrew, This is what I plan to stick on top of your series. Let me know if you're OK with it.