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LoongArch: Remove is_entry_func() and kernel_entry_end

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For now, the related code of is_entry_func() is useless, so they can be
removed. Then the symbol kernel_entry_end is not used any more, so it can
be removed too.

Link: https://lore.kernel.org/lkml/kjiyla6qj3l7ezspitulrdoc5laj2e6hoecvd254hssnpddczm@g6nkaombh6va/
Suggested-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
This commit is contained in:
Tiezhu Yang 2025-12-31 15:19:10 +08:00 committed by Huacai Chen
parent 1b2f4706c6
commit 6e5416d63b
2 changed files with 0 additions and 13 deletions
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2
arch/loongarch/kernel/head.S
View File

@ -144,5 +144,3 @@ SYM_CODE_START(smpboot_entry)
SYM_CODE_END(smpboot_entry)
#endif /* CONFIG_SMP */
SYM_ENTRY(kernel_entry_end, SYM_L_GLOBAL, SYM_A_NONE)

11
arch/loongarch/kernel/unwind_orc.c
View File

@ -348,14 +348,6 @@ void unwind_start(struct unwind_state *state, struct task_struct *task,
}
EXPORT_SYMBOL_GPL(unwind_start);
static bool is_entry_func(unsigned long addr)
{
extern u32 kernel_entry;
extern u32 kernel_entry_end;
return addr >= (unsigned long)&kernel_entry && addr < (unsigned long)&kernel_entry_end;
}
static inline unsigned long bt_address(unsigned long ra)
{
extern unsigned long eentry;
@ -402,9 +394,6 @@ bool unwind_next_frame(struct unwind_state *state)
/* Don't let modules unload while we're reading their ORC data. */
guard(rcu)();
if (is_entry_func(state->pc))
goto end;
orc = orc_find(state->pc);
if (!orc) {
/*