From: kernel test robot <lkp@intel.com>
To: cros-kernel-buildreports@googlegroups.com
Cc: oe-kbuild-all@lists.linux.dev
Subject: [android-common:android16-6.12 1/1] arch/arm64/kvm/hyp/include/nvhe/modules.h:31:6: warning: no previous prototype for function 'module_handle_host_perm_fault'
Date: Tue, 28 Jan 2025 06:19:07 +0800 [thread overview]
Message-ID: <202501280629.nwIrYu6S-lkp@intel.com> (raw)
tree: https://android.googlesource.com/kernel/common android16-6.12
head: d9f67873f80b0ea18e39b6efa9c66db323e5ad04
commit: 0a901ecd7f9ffbc4169811c90a0f26ed1ee1df7a [1/1] ANDROID: KVM: arm64: Rework pKVM module fault handler
config: arm64-randconfig-002-20250128 (https://download.01.org/0day-ci/archive/20250128/202501280629.nwIrYu6S-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250128/202501280629.nwIrYu6S-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501280629.nwIrYu6S-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from arch/arm64/kvm/hyp/nvhe/hyp-main.c:24:
>> arch/arm64/kvm/hyp/include/nvhe/modules.h:31:6: warning: no previous prototype for function 'module_handle_host_perm_fault' [-Wmissing-prototypes]
31 | bool module_handle_host_perm_fault(struct user_pt_regs *regs, u64 esr, u64 addr) { return false; }
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:31:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
31 | bool module_handle_host_perm_fault(struct user_pt_regs *regs, u64 esr, u64 addr) { return false; }
| ^
| static
arch/arm64/kvm/hyp/nvhe/hyp-main.c:86:6: warning: no previous prototype for function '__pkvm_unmask_serror' [-Wmissing-prototypes]
86 | void __pkvm_unmask_serror(void)
| ^
arch/arm64/kvm/hyp/nvhe/hyp-main.c:86:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
86 | void __pkvm_unmask_serror(void)
| ^
| static
arch/arm64/kvm/hyp/nvhe/hyp-main.c:472:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
472 | [ESR_ELx_EC_WFx] = handle_pvm_entry_wfx,
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:471:28: note: previous initialization is here
471 | [0 ... ESR_ELx_EC_MAX] = NULL,
| ^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:473:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
473 | [ESR_ELx_EC_HVC64] = handle_pvm_entry_hvc64,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:471:28: note: previous initialization is here
471 | [0 ... ESR_ELx_EC_MAX] = NULL,
| ^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:474:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
474 | [ESR_ELx_EC_SYS64] = handle_pvm_entry_sys64,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:471:28: note: previous initialization is here
471 | [0 ... ESR_ELx_EC_MAX] = NULL,
| ^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:475:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
475 | [ESR_ELx_EC_IABT_LOW] = handle_pvm_entry_iabt,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:471:28: note: previous initialization is here
471 | [0 ... ESR_ELx_EC_MAX] = NULL,
| ^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:476:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
476 | [ESR_ELx_EC_DABT_LOW] = handle_pvm_entry_dabt,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:471:28: note: previous initialization is here
471 | [0 ... ESR_ELx_EC_MAX] = NULL,
| ^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:481:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
481 | [ESR_ELx_EC_WFx] = handle_pvm_exit_wfx,
| ^~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:480:28: note: previous initialization is here
480 | [0 ... ESR_ELx_EC_MAX] = NULL,
| ^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:482:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
482 | [ESR_ELx_EC_HVC64] = handle_pvm_exit_hvc64,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:480:28: note: previous initialization is here
480 | [0 ... ESR_ELx_EC_MAX] = NULL,
| ^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:483:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
483 | [ESR_ELx_EC_SYS64] = handle_pvm_exit_sys64,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:480:28: note: previous initialization is here
480 | [0 ... ESR_ELx_EC_MAX] = NULL,
| ^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:484:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
484 | [ESR_ELx_EC_IABT_LOW] = handle_pvm_exit_iabt,
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:480:28: note: previous initialization is here
480 | [0 ... ESR_ELx_EC_MAX] = NULL,
| ^~~~
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:485:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
485 | [ESR_ELx_EC_DABT_LOW] = handle_pvm_exit_dabt,
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:480:28: note: previous initialization is here
480 | [0 ... ESR_ELx_EC_MAX] = NULL,
| ^~~~
--
In file included from arch/arm64/kvm/hyp/nvhe/mm.c:19:
>> arch/arm64/kvm/hyp/include/nvhe/modules.h:31:6: warning: no previous prototype for function 'module_handle_host_perm_fault' [-Wmissing-prototypes]
31 | bool module_handle_host_perm_fault(struct user_pt_regs *regs, u64 esr, u64 addr) { return false; }
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:31:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
31 | bool module_handle_host_perm_fault(struct user_pt_regs *regs, u64 esr, u64 addr) { return false; }
| ^
| static
1 warning generated.
vim +/module_handle_host_perm_fault +31 arch/arm64/kvm/hyp/include/nvhe/modules.h
14
15 #ifdef CONFIG_MODULES
16 int __pkvm_init_module(void *module_init);
17 int __pkvm_register_hcall(unsigned long hfn_hyp_va);
18 int handle_host_dynamic_hcall(struct user_pt_regs *regs, int id);
19 void __pkvm_close_module_registration(void);
20 bool module_handle_host_perm_fault(struct user_pt_regs *regs, u64 esr, u64 addr);
21 #else
22 static inline int __pkvm_init_module(void *module_init) { return -EOPNOTSUPP; }
23 static inline int
24 __pkvm_register_hcall(unsigned long hfn_hyp_va) { return -EOPNOTSUPP; }
25 static inline int
26 handle_host_dynamic_hcall(struct kvm_cpu_context *host_ctxt, int id)
27 {
28 return HCALL_UNHANDLED;
29 }
30 static inline void __pkvm_close_module_registration(void) { }
> 31 bool module_handle_host_perm_fault(struct user_pt_regs *regs, u64 esr, u64 addr) { return false; }
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-01-27 22:20 UTC|newest]
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