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Date: Sun, 15 Aug 2021 09:58:36 +0800
From: kernel test robot <lkp@...el.com>
To: Andrew Scull <ascull@...gle.com>
Cc: clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org, Marc Zyngier <maz@...nel.org>
Subject: arch/arm64/kvm/handle_exit.c:295:24: warning: no previous prototype
for function 'nvhe_hyp_panic_handler'
Hi Andrew,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ba31f97d43be41ca99ab72a6131d7c226306865f
commit: aec0fae62e47050019474936248a311a0ab08705 KVM: arm64: Log source when panicking from nVHE hyp
date: 5 months ago
config: arm64-randconfig-r024-20210814 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1f7b25ea76a925aca690da28de9d78db7ca99d0c)
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/torvalds/linux.git/commit/?id=aec0fae62e47050019474936248a311a0ab08705
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout aec0fae62e47050019474936248a311a0ab08705
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:182:25: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_CP14_64] = kvm_handle_cp14_64,
^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:183:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_HVC32] = handle_hvc,
^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:184:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_SMC32] = handle_smc,
^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:185:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_HVC64] = handle_hvc,
^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:186:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_SMC64] = handle_smc,
^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:187:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_SYS64] = kvm_handle_sys_reg,
^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:188:21: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_SVE] = handle_sve,
^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:189:26: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_IABT_LOW] = kvm_handle_guest_abort,
^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:190:26: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_DABT_LOW] = kvm_handle_guest_abort,
^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:191:28: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_SOFTSTP_LOW]= kvm_handle_guest_debug,
^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:192:28: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_WATCHPT_LOW]= kvm_handle_guest_debug,
^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:193:28: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_BREAKPT_LOW]= kvm_handle_guest_debug,
^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:194:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_BKPT32] = kvm_handle_guest_debug,
^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:195:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_BRK64] = kvm_handle_guest_debug,
^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:196:26: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_FP_ASIMD] = handle_no_fpsimd,
^~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:197:21: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_PAC] = kvm_handle_ptrauth,
^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:176:27: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:318:4: error: implicit declaration of function 'bug_get_file_line' [-Werror,-Wimplicit-function-declaration]
bug_get_file_line(bug, &file, &line);
^
>> arch/arm64/kvm/handle_exit.c:295:24: warning: no previous prototype for function 'nvhe_hyp_panic_handler' [-Wmissing-prototypes]
void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr, u64 elr,
^
arch/arm64/kvm/handle_exit.c:295:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr, u64 elr,
^
static
22 warnings and 1 error generated.
vim +/nvhe_hyp_panic_handler +295 arch/arm64/kvm/handle_exit.c
294
> 295 void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr, u64 elr,
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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