arch/x86/kernel/cpu/cacheinfo.c:737:15: warning: variable 'trace' set but not used In the following kernel version: name: linux-next url: http://kernel.source.codeaurora.cn/pub/scm/linux/kernel/git/next/linux-next.git branch: next-20221111 commit: f8f60f322f0640c8edda2942ca5f84b7a27c417a
submitted to upstream: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=851026a2bf54e739a2e13723bf3c4513f3cbcdc9