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arm64: remove unneeded BUILD_BUG_ON assertion

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Since commit c02433dd6d ("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 <dawei.li@shingroup.cn>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20240202040211.3118918-1-dawei.li@shingroup.cn
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Dawei Li 2024-02-02 12:02:11 +08:00 committed by Catalin Marinas
parent 253751233b
commit bce79b0c80
1 changed files with 0 additions and 3 deletions
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3
arch/arm64/kernel/process.c
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@ -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