From: Chen Zhongjin <chenzhongjin@huawei.com> hulk inclusion category: bugfix bugzilla: 187818, https://gitee.com/openeuler/kernel/issues/I6DK3O CVE: NA -------------------------------- check_paravirt() calls orc_find() before its implementation code. If CONFIG_DYNAMIC_FTRACE is enabled, orc_find() will be declared earlier and compiling will not fail. Otherwise it will fail for "implicit declaration of function 'orc_find'". Move declaration of orc_find() out of CONFIG_DYNAMIC_FTRACE macro to fix this. Fixes: fecb933c06b8 ("x86/unwind: Fix orc entry for paravirt {save,restore}_fl") Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com> Reviewed-by: Zheng Yejian <zhengyejian1@huawei.com> Reviewed-by: Xu Kuohai <xukuohai@huawei.com> Signed-off-by: Yongqiang Liu <liuyongqiang13@huawei.com> --- arch/x86/kernel/unwind_orc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/unwind_orc.c b/arch/x86/kernel/unwind_orc.c index ec4a14e4f639..d609a7fa08c6 100644 --- a/arch/x86/kernel/unwind_orc.c +++ b/arch/x86/kernel/unwind_orc.c @@ -79,9 +79,9 @@ static struct orc_entry *orc_module_find(unsigned long ip) } #endif -#ifdef CONFIG_DYNAMIC_FTRACE static struct orc_entry *orc_find(unsigned long ip); +#ifdef CONFIG_DYNAMIC_FTRACE /* * Ftrace dynamic trampolines do not have orc entries of their own. * But they are copies of the ftrace entries that are static and -- 2.25.1