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SubjectRe: [PATCH v3] KVM: arm64: Ignore kvm-arm.mode if !is_hyp_mode_available()
Hi Elliot,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on 0982c8d859f8f7022b9fd44d421c7ec721bb41f9]

url: https://github.com/intel-lab-lkp/linux/commits/Elliot-Berman/KVM-arm64-Ignore-kvm-arm-mode-if-is_hyp_mode_available/20220912-054253
base: 0982c8d859f8f7022b9fd44d421c7ec721bb41f9
config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220912/202209120812.lW9MTQPf-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 12.1.0
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://github.com/intel-lab-lkp/linux/commit/2266c3455ccaa7b42a9a0be751e15a15899d99b8
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Elliot-Berman/KVM-arm64-Ignore-kvm-arm-mode-if-is_hyp_mode_available/20220912-054253
git checkout 2266c3455ccaa7b42a9a0be751e15a15899d99b8
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

arch/arm64/kvm/arm.c: In function 'early_kvm_mode_cfg':
>> arch/arm64/kvm/arm.c:2281:17: error: expected ';' before 'return'
2281 | return 0;
| ^~~~~~


vim +2281 arch/arm64/kvm/arm.c

2268
2269 static int __init early_kvm_mode_cfg(char *arg)
2270 {
2271 if (!arg)
2272 return -EINVAL;
2273
2274 if (strcmp(arg, "none") == 0) {
2275 kvm_mode = KVM_MODE_NONE;
2276 return 0;
2277 }
2278
2279 if (!is_hyp_mode_available()) {
2280 pr_warn_once("KVM is not available. Ignoring kvm-arm.mode\n")
> 2281 return 0;
2282 }
2283
2284 if (strcmp(arg, "protected") == 0) {
2285 if (!is_kernel_in_hyp_mode())
2286 kvm_mode = KVM_MODE_PROTECTED;
2287 else
2288 pr_warn_once("Protected KVM not available with VHE\n");
2289
2290 return 0;
2291 }
2292
2293 if (strcmp(arg, "nvhe") == 0 && !WARN_ON(is_kernel_in_hyp_mode())) {
2294 kvm_mode = KVM_MODE_DEFAULT;
2295 return 0;
2296 }
2297
2298 return -EINVAL;
2299 }
2300 early_param("kvm-arm.mode", early_kvm_mode_cfg);
2301

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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