drivers/acpi/bus.c:304:6: warning: symbol 'osc_sb_ffh_opregion_support_confirmed' was not declared. Should it be static? 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-20221122 commit: 771a207d1ee9f38da8c0cee1412228f18b900bac