From 6868bd64dc90980015bbbc9b7117b17c0d8c9ef2 Mon Sep 17 00:00:00 2001 From: Tiezhu Yang Date: Tue, 10 Feb 2026 19:31:13 +0800 Subject: LoongArch: Guard percpu handler under !CONFIG_PREEMPT_RT [ Upstream commit 70b0faae3590c628a98a627a10e5d211310169d4 ] 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: Sasha Levin --- arch/loongarch/kernel/unwind_prologue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/loongarch/kernel/unwind_prologue.c b/arch/loongarch/kernel/unwind_prologue.c index 929ae240280a..c9ee6892d81c 100644 --- a/arch/loongarch/kernel/unwind_prologue.c +++ b/arch/loongarch/kernel/unwind_prologue.c @@ -64,7 +64,7 @@ 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) { -- cgit v1.2.3