From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [linux-next:master 10163/12085] arch/arm64/kvm/hyp/nvhe/psci-relay.c:174:28: warning: no previous prototype for function 'kvm_host_psci_cpu_entry'
Date: Thu, 10 Dec 2020 17:24:58 +0800 [thread overview]
Message-ID: <202012101752.oNGReKJM-lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 2f1d5c77f13fe64497c2e2601605f7d7ec4da9b1
commit: cdf367192766ad11a03e8d5098556be43b8eb6b0 [10163/12085] KVM: arm64: Intercept host's CPU_ON SMCs
config: arm64-randconfig-r032-20201209 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 1968804ac726e7674d5de22bc2204b45857da344)
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/next/linux-next.git/commit/?id=cdf367192766ad11a03e8d5098556be43b8eb6b0
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout cdf367192766ad11a03e8d5098556be43b8eb6b0
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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/psci-relay.c:174:28: warning: no previous prototype for function 'kvm_host_psci_cpu_entry' [-Wmissing-prototypes]
asmlinkage void __noreturn kvm_host_psci_cpu_entry(bool is_cpu_on)
^
arch/arm64/kvm/hyp/nvhe/psci-relay.c:174:12: note: declare 'static' if the function is not intended to be used outside of this translation unit
asmlinkage void __noreturn kvm_host_psci_cpu_entry(bool is_cpu_on)
^
static
1 warning generated.
vim +/kvm_host_psci_cpu_entry +174 arch/arm64/kvm/hyp/nvhe/psci-relay.c
173
> 174 asmlinkage void __noreturn kvm_host_psci_cpu_entry(bool is_cpu_on)
175 {
176 struct psci_boot_args *boot_args;
177 struct kvm_cpu_context *host_ctxt;
178
179 host_ctxt = &this_cpu_ptr(hyp_symbol_addr(kvm_host_data))->host_ctxt;
180 boot_args = this_cpu_ptr(hyp_symbol_addr(cpu_on_args));
181
182 cpu_reg(host_ctxt, 0) = boot_args->r0;
183 write_sysreg_el2(boot_args->pc, SYS_ELR);
184 release_boot_args(boot_args);
185
186 __host_enter(host_ctxt);
187 }
188
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: David Brazdil <dbrazdil@google.com>
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
Linux Memory Management List <linux-mm@kvack.org>,
Marc Zyngier <maz@kernel.org>
Subject: [linux-next:master 10163/12085] arch/arm64/kvm/hyp/nvhe/psci-relay.c:174:28: warning: no previous prototype for function 'kvm_host_psci_cpu_entry'
Date: Thu, 10 Dec 2020 17:24:58 +0800 [thread overview]
Message-ID: <202012101752.oNGReKJM-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 2559 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 2f1d5c77f13fe64497c2e2601605f7d7ec4da9b1
commit: cdf367192766ad11a03e8d5098556be43b8eb6b0 [10163/12085] KVM: arm64: Intercept host's CPU_ON SMCs
config: arm64-randconfig-r032-20201209 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 1968804ac726e7674d5de22bc2204b45857da344)
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/next/linux-next.git/commit/?id=cdf367192766ad11a03e8d5098556be43b8eb6b0
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout cdf367192766ad11a03e8d5098556be43b8eb6b0
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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/psci-relay.c:174:28: warning: no previous prototype for function 'kvm_host_psci_cpu_entry' [-Wmissing-prototypes]
asmlinkage void __noreturn kvm_host_psci_cpu_entry(bool is_cpu_on)
^
arch/arm64/kvm/hyp/nvhe/psci-relay.c:174:12: note: declare 'static' if the function is not intended to be used outside of this translation unit
asmlinkage void __noreturn kvm_host_psci_cpu_entry(bool is_cpu_on)
^
static
1 warning generated.
vim +/kvm_host_psci_cpu_entry +174 arch/arm64/kvm/hyp/nvhe/psci-relay.c
173
> 174 asmlinkage void __noreturn kvm_host_psci_cpu_entry(bool is_cpu_on)
175 {
176 struct psci_boot_args *boot_args;
177 struct kvm_cpu_context *host_ctxt;
178
179 host_ctxt = &this_cpu_ptr(hyp_symbol_addr(kvm_host_data))->host_ctxt;
180 boot_args = this_cpu_ptr(hyp_symbol_addr(cpu_on_args));
181
182 cpu_reg(host_ctxt, 0) = boot_args->r0;
183 write_sysreg_el2(boot_args->pc, SYS_ELR);
184 release_boot_args(boot_args);
185
186 __host_enter(host_ctxt);
187 }
188
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next reply other threads:[~2020-12-10 9:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-10 9:24 kernel test robot [this message]
2020-12-10 9:24 ` [linux-next:master 10163/12085] arch/arm64/kvm/hyp/nvhe/psci-relay.c:174:28: warning: no previous prototype for function 'kvm_host_psci_cpu_entry' kernel test robot
2020-12-10 9:38 ` Marc Zyngier
2020-12-10 9:38 ` Marc Zyngier
2020-12-10 19:18 ` Nick Desaulniers
2020-12-10 19:18 ` Nick Desaulniers
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