* [android-common:android12-5.10 21/42] arch/arm64/kvm/hyp/nvhe/setup.c:133:17: warning: no previous prototype for function '__pkvm_init_finalise'
@ 2021-04-15 4:18 kernel test robot
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From: kernel test robot @ 2021-04-15 4:18 UTC (permalink / raw
To: kbuild-all
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tree: https://android.googlesource.com/kernel/common android12-5.10
head: 16982b6a180aaf0bc48e5ddf024d3a031e4fec6a
commit: ae1ed8a984395ff05728ea212fde0abb93d95864 [21/42] FROMLIST: KVM: arm64: Prepare the creation of s1 mappings at EL2
config: arm64-randconfig-r001-20210414 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 6a18cc23efad410db48a3ccfc233d215de7d4cb9)
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
git remote add android-common https://android.googlesource.com/kernel/common
git fetch --no-tags android-common android12-5.10
git checkout ae1ed8a984395ff05728ea212fde0abb93d95864
# 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@intel.com>
All warnings (new ones prefixed by >>):
>> arch/arm64/kvm/hyp/nvhe/setup.c:133:17: warning: no previous prototype for function '__pkvm_init_finalise' [-Wmissing-prototypes]
void __noreturn __pkvm_init_finalise(void)
^
arch/arm64/kvm/hyp/nvhe/setup.c:133:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __noreturn __pkvm_init_finalise(void)
^
static
1 warning generated.
vim +/__pkvm_init_finalise +133 arch/arm64/kvm/hyp/nvhe/setup.c
132
> 133 void __noreturn __pkvm_init_finalise(void)
134 {
135 struct kvm_host_data *host_data = this_cpu_ptr(&kvm_host_data);
136 struct kvm_cpu_context *host_ctxt = &host_data->host_ctxt;
137 unsigned long nr_pages, reserved_pages, pfn;
138 int ret;
139
140 /* Now that the vmemmap is backed, install the full-fledged allocator */
141 pfn = hyp_virt_to_pfn(hyp_pgt_base);
142 nr_pages = hyp_s1_pgtable_pages();
143 reserved_pages = hyp_early_alloc_nr_used_pages();
144 ret = hyp_pool_init(&hpool, pfn, nr_pages, reserved_pages);
145 if (ret)
146 goto out;
147
148 pkvm_pgtable_mm_ops = (struct kvm_pgtable_mm_ops) {
149 .zalloc_page = hyp_zalloc_hyp_page,
150 .phys_to_virt = hyp_phys_to_virt,
151 .virt_to_phys = hyp_virt_to_phys,
152 .get_page = hyp_get_page,
153 .put_page = hyp_put_page,
154 };
155 pkvm_pgtable.mm_ops = &pkvm_pgtable_mm_ops;
156
157 out:
158 /*
159 * We tail-called to here from handle___pkvm_init() and will not return,
160 * so make sure to propagate the return value to the host.
161 */
162 cpu_reg(host_ctxt, 1) = ret;
163
164 __host_enter(host_ctxt);
165 }
166
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2021-04-15 4:18 [android-common:android12-5.10 21/42] arch/arm64/kvm/hyp/nvhe/setup.c:133:17: warning: no previous prototype for function '__pkvm_init_finalise' kernel test robot
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