From bce79b0c8097ae8b9ad38d7cb8522b80a9b8ee00 Mon Sep 17 00:00:00 2001 From: Dawei Li Date: Fri, 2 Feb 2024 12:02:11 +0800 Subject: [PATCH] arm64: remove unneeded BUILD_BUG_ON assertion Since commit c02433dd6de3 ("arm64: split thread_info from task stack"), CONFIG_THREAD_INFO_IN_TASK is enabled unconditionally for arm64. So remove this always-true assertion from arch_dup_task_struct. Signed-off-by: Dawei Li Acked-by: Mark Rutland Link: https://lore.kernel.org/r/20240202040211.3118918-1-dawei.li@shingroup.cn Signed-off-by: Catalin Marinas --- arch/arm64/kernel/process.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 7387b68c745b2..4ae31b7af6c31 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -290,9 +290,6 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) fpsimd_preserve_current_state(); *dst = *src; - /* We rely on the above assignment to initialize dst's thread_flags: */ - BUILD_BUG_ON(!IS_ENABLED(CONFIG_THREAD_INFO_IN_TASK)); - /* * Detach src's sve_state (if any) from dst so that it does not * get erroneously used or freed prematurely. dst's copies -- 2.30.2