From 8da1bf2d6a3e8f4ba9790a4c883230faa7d23e32 Mon Sep 17 00:00:00 2001 From: Tiezhu Yang Date: Tue, 10 Feb 2026 19:31:13 +0800 Subject: [PATCH] LoongArch: Guard percpu handler under !CONFIG_PREEMPT_RT After commit 88fd2b70120d ("LoongArch: Fix sleeping in atomic context for PREEMPT_RT"), it should guard percpu handler under !CONFIG_PREEMPT_RT to avoid redundant operations. Cc: stable@vger.kernel.org Signed-off-by: Tiezhu Yang Signed-off-by: Huacai Chen Signed-off-by: maoxiaochuan --- arch/loongarch/kernel/unwind_prologue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/loongarch/kernel/unwind_prologue.c b/arch/loongarch/kernel/unwind_prologue.c index 729e775bd..ee1c29686 100644 --- a/arch/loongarch/kernel/unwind_prologue.c +++ b/arch/loongarch/kernel/unwind_prologue.c @@ -65,7 +65,7 @@ static inline bool scan_handlers(unsigned long entry_offset) static inline bool fix_exception(unsigned long pc) { -#ifdef CONFIG_NUMA +#if defined(CONFIG_NUMA) && !defined(CONFIG_PREEMPT_RT) int cpu; for_each_possible_cpu(cpu) {