[arm-platforms:kvm-arm64/nvhe-panic-info 5/5] arch/arm64/kvm/handle_exit.c:318:4: error: implicit declaration of function 'bug_get_file_line'
kernel test robot
lkp at intel.com
Mon Apr 5 13:46:00 BST 2021
tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm-arm64/nvhe-panic-info
head: aec0fae62e47050019474936248a311a0ab08705
commit: aec0fae62e47050019474936248a311a0ab08705 [5/5] KVM: arm64: Log source when panicking from nVHE hyp
config: arm64-randconfig-r021-20210405 (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/maz/arm-platforms.git/commit/?id=aec0fae62e47050019474936248a311a0ab08705
git remote add arm-platforms https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
git fetch --no-tags arm-platforms kvm-arm64/nvhe-panic-info
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 at intel.com>
All errors (new ones prefixed by >>):
arch/arm64/kvm/handle_exit.c:177:21: warning: initialized field overwritten [-Woverride-init]
177 | [ESR_ELx_EC_WFx] = kvm_handle_wfx,
| ^~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:177:21: note: (near initialization for 'arm_exit_handlers[1]')
arch/arm64/kvm/handle_exit.c:178:25: warning: initialized field overwritten [-Woverride-init]
178 | [ESR_ELx_EC_CP15_32] = kvm_handle_cp15_32,
| ^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:178:25: note: (near initialization for 'arm_exit_handlers[3]')
arch/arm64/kvm/handle_exit.c:179:25: warning: initialized field overwritten [-Woverride-init]
179 | [ESR_ELx_EC_CP15_64] = kvm_handle_cp15_64,
| ^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:179:25: note: (near initialization for 'arm_exit_handlers[4]')
arch/arm64/kvm/handle_exit.c:180:25: warning: initialized field overwritten [-Woverride-init]
180 | [ESR_ELx_EC_CP14_MR] = kvm_handle_cp14_32,
| ^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:180:25: note: (near initialization for 'arm_exit_handlers[5]')
arch/arm64/kvm/handle_exit.c:181:25: warning: initialized field overwritten [-Woverride-init]
181 | [ESR_ELx_EC_CP14_LS] = kvm_handle_cp14_load_store,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:181:25: note: (near initialization for 'arm_exit_handlers[6]')
arch/arm64/kvm/handle_exit.c:182:25: warning: initialized field overwritten [-Woverride-init]
182 | [ESR_ELx_EC_CP14_64] = kvm_handle_cp14_64,
| ^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:182:25: note: (near initialization for 'arm_exit_handlers[12]')
arch/arm64/kvm/handle_exit.c:183:23: warning: initialized field overwritten [-Woverride-init]
183 | [ESR_ELx_EC_HVC32] = handle_hvc,
| ^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:183:23: note: (near initialization for 'arm_exit_handlers[18]')
arch/arm64/kvm/handle_exit.c:184:23: warning: initialized field overwritten [-Woverride-init]
184 | [ESR_ELx_EC_SMC32] = handle_smc,
| ^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:184:23: note: (near initialization for 'arm_exit_handlers[19]')
arch/arm64/kvm/handle_exit.c:185:23: warning: initialized field overwritten [-Woverride-init]
185 | [ESR_ELx_EC_HVC64] = handle_hvc,
| ^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:185:23: note: (near initialization for 'arm_exit_handlers[22]')
arch/arm64/kvm/handle_exit.c:186:23: warning: initialized field overwritten [-Woverride-init]
186 | [ESR_ELx_EC_SMC64] = handle_smc,
| ^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:186:23: note: (near initialization for 'arm_exit_handlers[23]')
arch/arm64/kvm/handle_exit.c:187:23: warning: initialized field overwritten [-Woverride-init]
187 | [ESR_ELx_EC_SYS64] = kvm_handle_sys_reg,
| ^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:187:23: note: (near initialization for 'arm_exit_handlers[24]')
arch/arm64/kvm/handle_exit.c:188:21: warning: initialized field overwritten [-Woverride-init]
188 | [ESR_ELx_EC_SVE] = handle_sve,
| ^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:188:21: note: (near initialization for 'arm_exit_handlers[25]')
arch/arm64/kvm/handle_exit.c:189:26: warning: initialized field overwritten [-Woverride-init]
189 | [ESR_ELx_EC_IABT_LOW] = kvm_handle_guest_abort,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:189:26: note: (near initialization for 'arm_exit_handlers[32]')
arch/arm64/kvm/handle_exit.c:190:26: warning: initialized field overwritten [-Woverride-init]
190 | [ESR_ELx_EC_DABT_LOW] = kvm_handle_guest_abort,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:190:26: note: (near initialization for 'arm_exit_handlers[36]')
arch/arm64/kvm/handle_exit.c:191:28: warning: initialized field overwritten [-Woverride-init]
191 | [ESR_ELx_EC_SOFTSTP_LOW]= kvm_handle_guest_debug,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:191:28: note: (near initialization for 'arm_exit_handlers[50]')
arch/arm64/kvm/handle_exit.c:192:28: warning: initialized field overwritten [-Woverride-init]
192 | [ESR_ELx_EC_WATCHPT_LOW]= kvm_handle_guest_debug,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:192:28: note: (near initialization for 'arm_exit_handlers[52]')
arch/arm64/kvm/handle_exit.c:193:28: warning: initialized field overwritten [-Woverride-init]
193 | [ESR_ELx_EC_BREAKPT_LOW]= kvm_handle_guest_debug,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:193:28: note: (near initialization for 'arm_exit_handlers[48]')
arch/arm64/kvm/handle_exit.c:194:24: warning: initialized field overwritten [-Woverride-init]
194 | [ESR_ELx_EC_BKPT32] = kvm_handle_guest_debug,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:194:24: note: (near initialization for 'arm_exit_handlers[56]')
arch/arm64/kvm/handle_exit.c:195:23: warning: initialized field overwritten [-Woverride-init]
195 | [ESR_ELx_EC_BRK64] = kvm_handle_guest_debug,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:195:23: note: (near initialization for 'arm_exit_handlers[60]')
arch/arm64/kvm/handle_exit.c:196:26: warning: initialized field overwritten [-Woverride-init]
196 | [ESR_ELx_EC_FP_ASIMD] = handle_no_fpsimd,
| ^~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:196:26: note: (near initialization for 'arm_exit_handlers[7]')
arch/arm64/kvm/handle_exit.c:197:21: warning: initialized field overwritten [-Woverride-init]
197 | [ESR_ELx_EC_PAC] = kvm_handle_ptrauth,
| ^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:197:21: note: (near initialization for 'arm_exit_handlers[9]')
arch/arm64/kvm/handle_exit.c:295:24: warning: no previous prototype for 'nvhe_hyp_panic_handler' [-Wmissing-prototypes]
295 | void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr, u64 elr,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c: In function 'nvhe_hyp_panic_handler':
>> arch/arm64/kvm/handle_exit.c:318:4: error: implicit declaration of function 'bug_get_file_line' [-Werror=implicit-function-declaration]
318 | bug_get_file_line(bug, &file, &line);
| ^~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
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);
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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