From: kernel test robot <lkp@intel.com>
To: cros-kernel-buildreports@googlegroups.com
Cc: oe-kbuild-all@lists.linux.dev
Subject: [android-common:mirror-poly-aosp-pixel-lajolla-staging 1/1] arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:48:42: warning: declaration of 'struct pkvm_sglist_page' will not be visible outside of this function
Date: Mon, 30 Mar 2026 20:07:07 +0800 [thread overview]
Message-ID: <202603302052.MjlevCLu-lkp@intel.com> (raw)
tree: https://android.googlesource.com/kernel/common mirror-poly-aosp-pixel-lajolla-staging
head: b050398b89b00b305b45dd70b8ab91470c42f155
commit: 93edf5c34a4239a22f09c63e965352bbeb97ad95 [1/1] ANDROID: KVM: arm64: Add __pkvm_host_donate_sglist_hyp
config: arm64-randconfig-001-20260330 (https://download.01.org/0day-ci/archive/20260330/202603302052.MjlevCLu-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 2cd67b8b69f78e3f95918204320c3075a74ba16c)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260330/202603302052.MjlevCLu-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/202603302052.MjlevCLu-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from arch/arm64/kvm/hyp/nvhe/mm.c:18:
>> arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:48:42: warning: declaration of 'struct pkvm_sglist_page' will not be visible outside of this function [-Wvisibility]
48 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages);
| ^
In file included from arch/arm64/kvm/hyp/nvhe/mm.c:20:
arch/arm64/kvm/hyp/include/nvhe/modules.h:40:6: warning: no previous prototype for function 'module_handle_host_perm_fault' [-Wmissing-prototypes]
40 | 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:40:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
40 | bool module_handle_host_perm_fault(struct user_pt_regs *regs, u64 esr, u64 addr) { return false; }
| ^
| static
arch/arm64/kvm/hyp/include/nvhe/modules.h:41:6: warning: no previous prototype for function 'module_handle_host_smc' [-Wmissing-prototypes]
41 | bool module_handle_host_smc(struct user_pt_regs *regs) { return false; }
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:41:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
41 | bool module_handle_host_smc(struct user_pt_regs *regs) { return false; }
| ^
| static
arch/arm64/kvm/hyp/include/nvhe/modules.h:42:6: warning: no previous prototype for function 'module_handle_guest_smc' [-Wmissing-prototypes]
42 | bool module_handle_guest_smc(struct arm_smccc_1_2_regs *regs, struct arm_smccc_1_2_regs *res,
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:42:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
42 | bool module_handle_guest_smc(struct arm_smccc_1_2_regs *regs, struct arm_smccc_1_2_regs *res,
| ^
| static
4 warnings generated.
--
In file included from arch/arm64/kvm/hyp/nvhe/alloc.c:9:
>> arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:48:42: warning: declaration of 'struct pkvm_sglist_page' will not be visible outside of this function [-Wvisibility]
48 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages);
| ^
1 warning generated.
--
In file included from arch/arm64/kvm/hyp/nvhe/trace.c:9:
>> arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:48:42: warning: declaration of 'struct pkvm_sglist_page' will not be visible outside of this function [-Wvisibility]
48 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages);
| ^
arch/arm64/kvm/hyp/nvhe/trace.c:145:49: warning: variable 'new_head' set but not used [-Wunused-but-set-variable]
145 | struct hyp_buffer_page *tail_page, *new_tail, *new_head;
| ^
2 warnings generated.
--
In file included from arch/arm64/kvm/hyp/nvhe/mem_protect.c:21:
>> arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:48:42: warning: declaration of 'struct pkvm_sglist_page' will not be visible outside of this function [-Wvisibility]
48 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages);
| ^
In file included from arch/arm64/kvm/hyp/nvhe/mem_protect.c:23:
arch/arm64/kvm/hyp/include/nvhe/modules.h:40:6: warning: no previous prototype for function 'module_handle_host_perm_fault' [-Wmissing-prototypes]
40 | 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:40:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
40 | bool module_handle_host_perm_fault(struct user_pt_regs *regs, u64 esr, u64 addr) { return false; }
| ^
| static
arch/arm64/kvm/hyp/include/nvhe/modules.h:41:6: warning: no previous prototype for function 'module_handle_host_smc' [-Wmissing-prototypes]
41 | bool module_handle_host_smc(struct user_pt_regs *regs) { return false; }
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:41:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
41 | bool module_handle_host_smc(struct user_pt_regs *regs) { return false; }
| ^
| static
arch/arm64/kvm/hyp/include/nvhe/modules.h:42:6: warning: no previous prototype for function 'module_handle_guest_smc' [-Wmissing-prototypes]
42 | bool module_handle_guest_smc(struct arm_smccc_1_2_regs *regs, struct arm_smccc_1_2_regs *res,
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:42:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
42 | bool module_handle_guest_smc(struct arm_smccc_1_2_regs *regs, struct arm_smccc_1_2_regs *res,
| ^
| static
>> arch/arm64/kvm/hyp/nvhe/mem_protect.c:1492:42: warning: declaration of 'struct pkvm_sglist_page' will not be visible outside of this function [-Wvisibility]
1492 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages)
| ^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1492:5: error: conflicting types for '__pkvm_host_donate_sglist_hyp'
1492 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages)
| ^
arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:48:5: note: previous declaration is here
48 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages);
| ^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1500:69: error: invalid application of 'sizeof' to an incomplete type 'struct pkvm_sglist_page'
1500 | WARN_ON(__hyp_check_page_state_range((u64)sglist, nr_pages * sizeof(*sglist),
| ^~~~~~~~~
include/asm-generic/bug.h:123:25: note: expanded from macro 'WARN_ON'
123 | int __ret_warn_on = !!(condition); \
| ^~~~~~~~~
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1492:42: note: forward declaration of 'struct pkvm_sglist_page'
1492 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages)
| ^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1508:13: error: subscript of pointer to incomplete type 'struct pkvm_sglist_page'
1508 | if (sglist[p].order > max_order) {
| ~~~~~~^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1492:42: note: forward declaration of 'struct pkvm_sglist_page'
1492 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages)
| ^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1512:29: error: subscript of pointer to incomplete type 'struct pkvm_sglist_page'
1512 | size = PAGE_SIZE << sglist[p].order;
| ~~~~~~^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1492:42: note: forward declaration of 'struct pkvm_sglist_page'
1492 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages)
| ^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1514:33: error: subscript of pointer to incomplete type 'struct pkvm_sglist_page'
1514 | if (!pfn_range_is_valid(sglist[p].pfn, size >> PAGE_SHIFT)) {
| ~~~~~~^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1492:42: note: forward declaration of 'struct pkvm_sglist_page'
1492 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages)
| ^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1518:32: error: subscript of pointer to incomplete type 'struct pkvm_sglist_page'
1518 | phys = hyp_pfn_to_phys(sglist[p].pfn);
| ~~~~~~^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1492:42: note: forward declaration of 'struct pkvm_sglist_page'
1492 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages)
| ^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1530:36: error: subscript of pointer to incomplete type 'struct pkvm_sglist_page'
1530 | size_t size = PAGE_SIZE << sglist[p].order;
| ~~~~~~^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1492:42: note: forward declaration of 'struct pkvm_sglist_page'
1492 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages)
| ^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1531:36: error: subscript of pointer to incomplete type 'struct pkvm_sglist_page'
1531 | u64 phys = hyp_pfn_to_phys(sglist[p].pfn);
| ~~~~~~^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1492:42: note: forward declaration of 'struct pkvm_sglist_page'
1492 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages)
| ^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1543:34: error: subscript of pointer to incomplete type 'struct pkvm_sglist_page'
1543 | phys = hyp_pfn_to_phys(sglist[p].pfn);
| ~~~~~~^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1492:42: note: forward declaration of 'struct pkvm_sglist_page'
1492 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages)
| ^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1544:31: error: subscript of pointer to incomplete type 'struct pkvm_sglist_page'
1544 | size = PAGE_SIZE << sglist[p].order;
| ~~~~~~^
arch/arm64/kvm/hyp/nvhe/mem_protect.c:1492:42: note: forward declaration of 'struct pkvm_sglist_page'
1492 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages)
| ^
5 warnings and 10 errors generated.
--
In file included from arch/arm64/kvm/hyp/nvhe/pkvm.c:21:
>> arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:48:42: warning: declaration of 'struct pkvm_sglist_page' will not be visible outside of this function [-Wvisibility]
48 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages);
| ^
In file included from arch/arm64/kvm/hyp/nvhe/pkvm.c:23:
arch/arm64/kvm/hyp/include/nvhe/modules.h:40:6: warning: no previous prototype for function 'module_handle_host_perm_fault' [-Wmissing-prototypes]
40 | 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:40:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
40 | bool module_handle_host_perm_fault(struct user_pt_regs *regs, u64 esr, u64 addr) { return false; }
| ^
| static
arch/arm64/kvm/hyp/include/nvhe/modules.h:41:6: warning: no previous prototype for function 'module_handle_host_smc' [-Wmissing-prototypes]
41 | bool module_handle_host_smc(struct user_pt_regs *regs) { return false; }
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:41:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
41 | bool module_handle_host_smc(struct user_pt_regs *regs) { return false; }
| ^
| static
arch/arm64/kvm/hyp/include/nvhe/modules.h:42:6: warning: no previous prototype for function 'module_handle_guest_smc' [-Wmissing-prototypes]
42 | bool module_handle_guest_smc(struct arm_smccc_1_2_regs *regs, struct arm_smccc_1_2_regs *res,
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:42:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
42 | bool module_handle_guest_smc(struct arm_smccc_1_2_regs *regs, struct arm_smccc_1_2_regs *res,
| ^
| static
arch/arm64/kvm/hyp/nvhe/pkvm.c:1868:8: error: call to undeclared function 'module_get_guest_trng_rng'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1868 | ret = module_get_guest_trng_rng(entropy, nbits);
| ^
arch/arm64/kvm/hyp/nvhe/pkvm.c:1868:8: note: did you mean 'module_handle_guest_trng_rng'?
arch/arm64/kvm/hyp/nvhe/pkvm.c:1854:13: note: 'module_handle_guest_trng_rng' declared here
1854 | static bool module_handle_guest_trng_rng(struct kvm_vcpu *vcpu)
| ^
1855 | {
1856 | u64 ret;
1857 | u64 entropy[DIV_ROUND_UP(ARM_SMCCC_TRNG_SMC64_BITS, 64)];
1858 | u64 nbits;
1859 |
1860 | nbits = smccc_get_arg1(vcpu);
1861 | if (nbits == 0 || nbits > ARM_SMCCC_TRNG_SMC64_BITS) {
1862 | ret = ARM_SMCCC_TRNG_INVALID_PARAMETERS;
1863 | goto err;
1864 | }
1865 |
1866 | memset(entropy, 0, sizeof(entropy));
1867 |
1868 | ret = module_get_guest_trng_rng(entropy, nbits);
| ~~~~~~~~~~~~~~~~~~~~~~~~~
| module_handle_guest_trng_rng
arch/arm64/kvm/hyp/nvhe/pkvm.c:1887:9: error: call to undeclared function 'module_get_guest_trng_uuid'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1887 | uuid = module_get_guest_trng_uuid();
| ^
arch/arm64/kvm/hyp/nvhe/pkvm.c:1887:7: error: incompatible integer to pointer conversion assigning to 'const uuid_t *' from 'int' [-Wint-conversion]
1887 | uuid = module_get_guest_trng_uuid();
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4 warnings and 3 errors generated.
--
In file included from arch/arm64/kvm/hyp/nvhe/hyp-main.c:24:
>> arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:48:42: warning: declaration of 'struct pkvm_sglist_page' will not be visible outside of this function [-Wvisibility]
48 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages);
| ^
In file included from arch/arm64/kvm/hyp/nvhe/hyp-main.c:25:
arch/arm64/kvm/hyp/include/nvhe/modules.h:40:6: warning: no previous prototype for function 'module_handle_host_perm_fault' [-Wmissing-prototypes]
40 | 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:40:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
40 | bool module_handle_host_perm_fault(struct user_pt_regs *regs, u64 esr, u64 addr) { return false; }
| ^
| static
arch/arm64/kvm/hyp/include/nvhe/modules.h:41:6: warning: no previous prototype for function 'module_handle_host_smc' [-Wmissing-prototypes]
41 | bool module_handle_host_smc(struct user_pt_regs *regs) { return false; }
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:41:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
41 | bool module_handle_host_smc(struct user_pt_regs *regs) { return false; }
| ^
| static
arch/arm64/kvm/hyp/include/nvhe/modules.h:42:6: warning: no previous prototype for function 'module_handle_guest_smc' [-Wmissing-prototypes]
42 | bool module_handle_guest_smc(struct arm_smccc_1_2_regs *regs, struct arm_smccc_1_2_regs *res,
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:42:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
42 | bool module_handle_guest_smc(struct arm_smccc_1_2_regs *regs, struct arm_smccc_1_2_regs *res,
| ^
| static
arch/arm64/kvm/hyp/nvhe/hyp-main.c:463:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
463 | [ESR_ELx_EC_WFx] = handle_pvm_entry_wfx,
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:462:28: note: previous initialization is here
462 | [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:464:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
464 | [ESR_ELx_EC_HVC64] = handle_pvm_entry_hvc64,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:462:28: note: previous initialization is here
462 | [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:465:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
465 | [ESR_ELx_EC_SYS64] = handle_pvm_entry_sys64,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:462:28: note: previous initialization is here
462 | [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:466:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
466 | [ESR_ELx_EC_IABT_LOW] = handle_pvm_entry_iabt,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:462:28: note: previous initialization is here
462 | [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:467:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
467 | [ESR_ELx_EC_DABT_LOW] = handle_pvm_entry_dabt,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:462:28: note: previous initialization is here
462 | [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:472:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
472 | [ESR_ELx_EC_WFx] = handle_pvm_exit_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_exit_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_exit_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_exit_iabt,
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/hyp-main.c:471:28: note: previous initialization is here
--
In file included from arch/arm64/kvm/hyp/nvhe/psci-relay.c:15:
>> arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:48:42: warning: declaration of 'struct pkvm_sglist_page' will not be visible outside of this function [-Wvisibility]
48 | int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages);
| ^
In file included from arch/arm64/kvm/hyp/nvhe/psci-relay.c:17:
arch/arm64/kvm/hyp/include/nvhe/modules.h:40:6: warning: no previous prototype for function 'module_handle_host_perm_fault' [-Wmissing-prototypes]
40 | 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:40:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
40 | bool module_handle_host_perm_fault(struct user_pt_regs *regs, u64 esr, u64 addr) { return false; }
| ^
| static
arch/arm64/kvm/hyp/include/nvhe/modules.h:41:6: warning: no previous prototype for function 'module_handle_host_smc' [-Wmissing-prototypes]
41 | bool module_handle_host_smc(struct user_pt_regs *regs) { return false; }
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:41:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
41 | bool module_handle_host_smc(struct user_pt_regs *regs) { return false; }
| ^
| static
arch/arm64/kvm/hyp/include/nvhe/modules.h:42:6: warning: no previous prototype for function 'module_handle_guest_smc' [-Wmissing-prototypes]
42 | bool module_handle_guest_smc(struct arm_smccc_1_2_regs *regs, struct arm_smccc_1_2_regs *res,
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:42:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
42 | bool module_handle_guest_smc(struct arm_smccc_1_2_regs *regs, struct arm_smccc_1_2_regs *res,
| ^
| static
arch/arm64/kvm/hyp/nvhe/psci-relay.c:30:58: error: variable has incomplete type 'enum pkvm_psci_notification'
30 | static void pkvm_psci_notify(enum pkvm_psci_notification notif, struct kvm_cpu_context *host_ctxt)
| ^
arch/arm64/kvm/hyp/include/nvhe/modules.h:14:6: note: forward declaration of 'enum pkvm_psci_notification'
14 | enum pkvm_psci_notification;
| ^
arch/arm64/kvm/hyp/nvhe/psci-relay.c:192:19: error: use of undeclared identifier 'PKVM_PSCI_CPU_SUSPEND'
192 | pkvm_psci_notify(PKVM_PSCI_CPU_SUSPEND, host_ctxt);
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/psci-relay.c:223:19: error: use of undeclared identifier 'PKVM_PSCI_SYSTEM_SUSPEND'
223 | pkvm_psci_notify(PKVM_PSCI_SYSTEM_SUSPEND, host_ctxt);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp/nvhe/psci-relay.c:254:19: error: use of undeclared identifier 'PKVM_PSCI_CPU_ENTRY'
254 | pkvm_psci_notify(PKVM_PSCI_CPU_ENTRY, host_ctxt);
| ^~~~~~~~~~~~~~~~~~~
4 warnings and 4 errors generated.
vim +48 arch/arm64/kvm/hyp/include/nvhe/mem_protect.h
40
41 int __pkvm_prot_finalize(void);
42 int __pkvm_host_share_hyp(u64 pfn);
43 int __pkvm_host_unshare_hyp(u64 pfn);
44 int __pkvm_host_donate_hyp(u64 pfn, u64 nr_pages);
45 int ___pkvm_host_donate_hyp(u64 pfn, u64 nr_pages, bool accept_mmio);
46 int ___pkvm_host_donate_hyp_prot(u64 pfn, u64 nr_pages,
47 bool accept_mmio, enum kvm_pgtable_prot prot);
> 48 int __pkvm_host_donate_sglist_hyp(struct pkvm_sglist_page *sglist, size_t nr_pages);
49 int __pkvm_hyp_donate_host(u64 pfn, u64 nr_pages);
50 int __pkvm_guest_share_hyp_page(struct pkvm_hyp_vcpu *vcpu, u64 ipa, u64 *hyp_va);
51 int __pkvm_guest_unshare_hyp_page(struct pkvm_hyp_vcpu *vcpu, u64 ipa);
52 int __pkvm_guest_share_ffa_page(struct pkvm_hyp_vcpu *vcpu, u64 ipa, phys_addr_t *phys);
53 int __pkvm_guest_unshare_ffa_page(struct pkvm_hyp_vcpu *vcpu, u64 ipa);
54 int __pkvm_host_share_ffa(u64 pfn, u64 nr_pages);
55 int __pkvm_host_unshare_ffa(u64 pfn, u64 nr_pages);
56 int __pkvm_host_donate_guest(u64 pfn, u64 gfn, u64 nr_pages, struct pkvm_hyp_vcpu *vcpu);
57 int __pkvm_host_donate_sglist_guest(struct pkvm_hyp_vcpu *vcpu);
58 int __pkvm_host_reclaim_page_guest(u64 gfn, u64 nr_pages, struct pkvm_hyp_vm *vm);
59 int __pkvm_guest_share_host(u64 gfn, struct pkvm_hyp_vcpu *vcpu, u64 nr_pages, u64 *nr_shared);
60 int __pkvm_guest_unshare_host(u64 gfn, struct pkvm_hyp_vcpu *vcpu, u64 nr_pages, u64 *nr_shared);
61 int __pkvm_host_share_guest(u64 pfn, u64 gfn, u64 nr_pages, struct pkvm_hyp_vcpu *vcpu,
62 enum kvm_pgtable_prot prot);
63 int __pkvm_host_unshare_guest(u64 gfn, u64 nr_pages, struct pkvm_hyp_vm *hyp_vm);
64 int __pkvm_host_relax_perms_guest(u64 gfn, struct pkvm_hyp_vcpu *vcpu, enum kvm_pgtable_prot prot);
65 int __pkvm_host_wrprotect_guest(u64 gfn, u64 nr_pages, struct pkvm_hyp_vm *hyp_vm);
66 int __pkvm_host_test_clear_young_guest(u64 gfn, u64 nr_pages, bool mkold, struct pkvm_hyp_vm *vm);
67 int __pkvm_host_mkyoung_guest(u64 gfn, struct pkvm_hyp_vcpu *vcpu);
68 int __pkvm_host_split_guest(u64 gfn, u64 size, struct pkvm_hyp_vcpu *vcpu);
69 int __pkvm_host_donate_ffa(u64 pfn, u64 nr_pages);
70 int __pkvm_host_reclaim_ffa(u64 pfn, u64 nr_pages);
71 int __pkvm_install_ioguard_page(struct pkvm_hyp_vcpu *hyp_vcpu, u64 ipa,
72 u64 nr_pages, u64 *nr_guarded);
73 bool __pkvm_check_ioguard_page(struct pkvm_hyp_vcpu *hyp_vcpu);
74 int __pkvm_guest_relinquish_to_host(struct pkvm_hyp_vcpu *vcpu,
75 u64 ipa, u64 *ppa);
76 u64 __pkvm_ptdump_get_config(pkvm_handle_t handle, enum pkvm_ptdump_ops op);
77 u64 __pkvm_ptdump_walk_range(pkvm_handle_t handle, struct pkvm_ptdump_log_hdr *log_hva);
78
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