[arm-platforms:kvm-arm64/early-ec-handlers 3/3] arch/arm64/kvm/hyp/nvhe/switch.c:163:26: warning: initializer overrides prior initialization of this subobject
kernel test robot
lkp at intel.com
Wed Oct 13 12:19:34 PDT 2021
tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm-arm64/early-ec-handlers
head: f84ff369795ed47f2cd5e556170166ee8b3a988f
commit: f84ff369795ed47f2cd5e556170166ee8b3a988f [3/3] KVM: arm64: Move early handlers to per-EC handlers
config: arm64-randconfig-r006-20211013 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b6a8c695542b2987eb9a203d5663a0740cb4725f)
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
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/commit/?id=f84ff369795ed47f2cd5e556170166ee8b3a988f
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/early-ec-handlers
git checkout f84ff369795ed47f2cd5e556170166ee8b3a988f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All warnings (new ones prefixed by >>):
>> arch/arm64/kvm/hyp/nvhe/switch.c:163:26: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_CP15_32] = kvm_hyp_handle_cp15_32,
^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:162:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:164:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_SYS64] = kvm_hyp_handle_sysreg,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:162:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:165:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_SVE] = kvm_hyp_handle_fpsimd,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:162:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:166:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_FP_ASIMD] = kvm_hyp_handle_fpsimd,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:162:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:167:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_IABT_LOW] = kvm_hyp_handle_iabt_low,
^~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:162:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:168:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_DABT_LOW] = kvm_hyp_handle_dabt_low,
^~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:162:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:169:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_PAC] = kvm_hyp_handle_ptrauth,
^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:162:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:274:17: warning: no previous prototype for function 'hyp_panic' [-Wmissing-prototypes]
void __noreturn hyp_panic(void)
^
arch/arm64/kvm/hyp/nvhe/switch.c:274:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __noreturn hyp_panic(void)
^
static
arch/arm64/kvm/hyp/nvhe/switch.c:296:17: warning: no previous prototype for function 'kvm_unexpected_el2_exception' [-Wmissing-prototypes]
asmlinkage void kvm_unexpected_el2_exception(void)
^
arch/arm64/kvm/hyp/nvhe/switch.c:296:12: note: declare 'static' if the function is not intended to be used outside of this translation unit
asmlinkage void kvm_unexpected_el2_exception(void)
^
static
9 warnings generated.
--
>> arch/arm64/kvm/hyp/vhe/switch.c:101:26: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_CP15_32] = kvm_hyp_handle_cp15_32,
^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:100:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:102:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_SYS64] = kvm_hyp_handle_sysreg,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:100:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:103:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_SVE] = kvm_hyp_handle_fpsimd,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:100:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:104:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_FP_ASIMD] = kvm_hyp_handle_fpsimd,
^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:100:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:105:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_IABT_LOW] = kvm_hyp_handle_iabt_low,
^~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:100:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:106:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_DABT_LOW] = kvm_hyp_handle_dabt_low,
^~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:100:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:107:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
[ESR_ELx_EC_PAC] = kvm_hyp_handle_ptrauth,
^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:100:28: note: previous initialization is here
[0 ... ESR_ELx_EC_MAX] = NULL,
^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:222:17: warning: no previous prototype for function 'hyp_panic' [-Wmissing-prototypes]
void __noreturn hyp_panic(void)
^
arch/arm64/kvm/hyp/vhe/switch.c:222:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __noreturn hyp_panic(void)
^
static
arch/arm64/kvm/hyp/vhe/switch.c:232:17: warning: no previous prototype for function 'kvm_unexpected_el2_exception' [-Wmissing-prototypes]
asmlinkage void kvm_unexpected_el2_exception(void)
^
arch/arm64/kvm/hyp/vhe/switch.c:232:12: note: declare 'static' if the function is not intended to be used outside of this translation unit
asmlinkage void kvm_unexpected_el2_exception(void)
^
static
9 warnings generated.
vim +163 arch/arm64/kvm/hyp/nvhe/switch.c
160
161 static const exit_handler_fn hyp_exit_handlers[] = {
162 [0 ... ESR_ELx_EC_MAX] = NULL,
> 163 [ESR_ELx_EC_CP15_32] = kvm_hyp_handle_cp15_32,
164 [ESR_ELx_EC_SYS64] = kvm_hyp_handle_sysreg,
165 [ESR_ELx_EC_SVE] = kvm_hyp_handle_fpsimd,
166 [ESR_ELx_EC_FP_ASIMD] = kvm_hyp_handle_fpsimd,
167 [ESR_ELx_EC_IABT_LOW] = kvm_hyp_handle_iabt_low,
168 [ESR_ELx_EC_DABT_LOW] = kvm_hyp_handle_dabt_low,
169 [ESR_ELx_EC_PAC] = kvm_hyp_handle_ptrauth,
170 };
171
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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