tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: ba2303cacfdaf39c19a78290c541499b23712f54 commit: b8c8255e1d74937638bca666264404952c60395a [7345/7439] arm64: Decouple KVM from CONFIG_ARM64_NMI config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20240416/202404162024.n82VbpYr-lkp@i...) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240416/202404162024.n82VbpYr-lkp@i...)

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/202404162024.n82VbpYr-lkp@intel.com/

All errors (new ones prefixed by >>):

arch/arm64/kernel/cpufeature.c: In function 'use_nmi':

...

arch/arm64/kernel/cpufeature.c:2209:57: error: 'enable_pseudo_nmi' undeclared (first use in this function); did you mean 'enable_percpu_nmi'?

2209 | else if (IS_ENABLED(CONFIG_ARM64_PSEUDO_NMI) && enable_pseudo_nmi) { | ^~~~~~~~~~~~~~~~~ | enable_percpu_nmi arch/arm64/kernel/cpufeature.c:2209:57: note: each undeclared identifier is reported only once for each function it appears in

vim +2209 arch/arm64/kernel/cpufeature.c

2191 2192 static bool use_nmi(const struct arm64_cpu_capabilities *entry, int scope) 2193 { 2194 if (!has_cpuid_feature(entry, scope)) 2195 return false; 2196 2197 /* 2198 * NMI support was not enabled in the kernel, but can still be 2199 * used by guests. Let the world know. 2200 * 2201 * Having both real and pseudo NMIs enabled simultaneously is 2202 * likely to cause confusion. Since pseudo NMIs must be 2203 * enabled with an explicit command line option, if the user 2204 * has set that option on a system with real NMIs for some 2205 * reason assume they know what they're doing. 2206 */ 2207 if (!IS_ENABLED(CONFIG_ARM64_NMI)) 2208 pr_info("CONFIG_ARM64_NMI disabled, using NMIs for guests only\n");

2209 else if (IS_ENABLED(CONFIG_ARM64_PSEUDO_NMI) && enable_pseudo_nmi) {

2210 pr_info("Pseudo NMI enabled, not using architected NMI\n"); 2211 return false; 2212 } 2213 2214 return true; 2215 } 2216