* [android-common:android15-6.6 0/2] arch/arm64/kvm/hyp/nvhe/pkvm.c:1725:5: warning: no previous prototype for '__pkvm_register_guest_smc_handler'
@ 2026-03-31 4:32 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-03-31 4:32 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
Hi Sebastian,
FYI, the error/warning still remains.
tree: https://android.googlesource.com/kernel/common android15-6.6
head: 5fdbbd61a3cbdca7ac1034dc16723bdbc7ece8cc
commit: 340ef6cb4081cb305235a059f1c142345ac1a71d [0/2] ANDROID: KVM: arm64: Add smc64 trap handling for protected guests
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20260331/202603311207.TrsAxm4F-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260331/202603311207.TrsAxm4F-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/202603311207.TrsAxm4F-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> arch/arm64/kvm/hyp/nvhe/pkvm.c:1725:5: warning: no previous prototype for '__pkvm_register_guest_smc_handler' [-Wmissing-prototypes]
1725 | int __pkvm_register_guest_smc_handler(bool (*cb)(struct arm_smccc_1_2_regs *,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/__pkvm_register_guest_smc_handler +1725 arch/arm64/kvm/hyp/nvhe/pkvm.c
1724
> 1725 int __pkvm_register_guest_smc_handler(bool (*cb)(struct arm_smccc_1_2_regs *,
1726 struct arm_smccc_res *res,
1727 pkvm_handle_t handle),
1728 pkvm_handle_t handle)
1729 {
1730 int ret = -EINVAL;
1731 struct pkvm_hyp_vm *vm;
1732
1733 if (!cb)
1734 return ret;
1735
1736 hyp_read_lock(&vm_table_lock);
1737 vm = get_vm_by_handle(handle);
1738 if (vm)
1739 ret = cmpxchg_release(&vm->smc_handler, NULL, cb) ? -EBUSY : 0;
1740 hyp_read_unlock(&vm_table_lock);
1741
1742 return ret;
1743 }
1744
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* [android-common:android15-6.6 0/2] arch/arm64/kvm/hyp/nvhe/pkvm.c:1725:5: warning: no previous prototype for '__pkvm_register_guest_smc_handler'
@ 2025-12-17 14:01 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2025-12-17 14:01 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
Hi Sebastian,
FYI, the error/warning still remains.
tree: https://android.googlesource.com/kernel/common android15-6.6
head: e48fbb6a53e582d8881d31d6b3de0405f7543cfd
commit: 340ef6cb4081cb305235a059f1c142345ac1a71d [0/2] ANDROID: KVM: arm64: Add smc64 trap handling for protected guests
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20251217/202512172138.1Dcw8M5X-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251217/202512172138.1Dcw8M5X-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/202512172138.1Dcw8M5X-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> arch/arm64/kvm/hyp/nvhe/pkvm.c:1725:5: warning: no previous prototype for '__pkvm_register_guest_smc_handler' [-Wmissing-prototypes]
1725 | int __pkvm_register_guest_smc_handler(bool (*cb)(struct arm_smccc_1_2_regs *,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/__pkvm_register_guest_smc_handler +1725 arch/arm64/kvm/hyp/nvhe/pkvm.c
1724
> 1725 int __pkvm_register_guest_smc_handler(bool (*cb)(struct arm_smccc_1_2_regs *,
1726 struct arm_smccc_res *res,
1727 pkvm_handle_t handle),
1728 pkvm_handle_t handle)
1729 {
1730 int ret = -EINVAL;
1731 struct pkvm_hyp_vm *vm;
1732
1733 if (!cb)
1734 return ret;
1735
1736 hyp_read_lock(&vm_table_lock);
1737 vm = get_vm_by_handle(handle);
1738 if (vm)
1739 ret = cmpxchg_release(&vm->smc_handler, NULL, cb) ? -EBUSY : 0;
1740 hyp_read_unlock(&vm_table_lock);
1741
1742 return ret;
1743 }
1744
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
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