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Message-ID: <202204100857.FCfpGSu4-lkp@intel.com>
Date: Sun, 10 Apr 2022 08:41:45 +0800
From: kernel test robot <lkp@...el.com>
To: Andrew Scull <ascull@...gle.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Marc Zyngier <maz@...nel.org>
Subject: arch/arm64/kvm/hyp/vhe/switch.c:217:17: warning: no previous
prototype for 'hyp_panic'
Hi Andrew,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e1f700ebd6bea293abe3c7e2807b252018efde01
commit: f79e616f27ab6cd74deb0995a8eead3d1c9d65af KVM: arm64: Use BUG and BUG_ON in nVHE hyp
date: 1 year ago
config: arm64-randconfig-r002-20220410 (https://download.01.org/0day-ci/archive/20220410/202204100857.FCfpGSu4-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
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
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f79e616f27ab6cd74deb0995a8eead3d1c9d65af
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout f79e616f27ab6cd74deb0995a8eead3d1c9d65af
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kvm/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> arch/arm64/kvm/hyp/vhe/switch.c:217:17: warning: no previous prototype for 'hyp_panic' [-Wmissing-prototypes]
217 | void __noreturn hyp_panic(void)
| ^~~~~~~~~
arch/arm64/kvm/hyp/vhe/switch.c:227:17: warning: no previous prototype for 'kvm_unexpected_el2_exception' [-Wmissing-prototypes]
227 | asmlinkage void kvm_unexpected_el2_exception(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
>> arch/arm64/kvm/hyp/nvhe/switch.c:264:17: warning: no previous prototype for 'hyp_panic' [-Wmissing-prototypes]
264 | void __noreturn hyp_panic(void)
| ^~~~~~~~~
arch/arm64/kvm/hyp/nvhe/switch.c:286:17: warning: no previous prototype for 'kvm_unexpected_el2_exception' [-Wmissing-prototypes]
286 | asmlinkage void kvm_unexpected_el2_exception(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/hyp_panic +217 arch/arm64/kvm/hyp/vhe/switch.c
09cf57eba30424 David Brazdil 2020-06-25 216
6a0259ed29bba8 Andrew Scull 2020-09-15 @217 void __noreturn hyp_panic(void)
09cf57eba30424 David Brazdil 2020-06-25 218 {
09cf57eba30424 David Brazdil 2020-06-25 219 u64 spsr = read_sysreg_el2(SYS_SPSR);
09cf57eba30424 David Brazdil 2020-06-25 220 u64 elr = read_sysreg_el2(SYS_ELR);
96d389ca10110d Rob Herring 2020-10-28 221 u64 par = read_sysreg_par();
09cf57eba30424 David Brazdil 2020-06-25 222
6a0259ed29bba8 Andrew Scull 2020-09-15 223 __hyp_call_panic(spsr, elr, par);
09cf57eba30424 David Brazdil 2020-06-25 224 unreachable();
09cf57eba30424 David Brazdil 2020-06-25 225 }
e9ee186bb735bf James Morse 2020-08-21 226
:::::: The code at line 217 was first introduced by commit
:::::: 6a0259ed29bba83653a36fabcdf6b06aecd78596 KVM: arm64: Remove hyp_panic arguments
:::::: TO: Andrew Scull <ascull@...gle.com>
:::::: CC: Marc Zyngier <maz@...nel.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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