For now, the related codes of is_entry_func() are 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>
---
arch/loongarch/kernel/head.S | 2 --
arch/loongarch/kernel/unwind_orc.c | 11 -----------
2 files changed, 13 deletions(-)
diff --git a/arch/loongarch/kernel/head.S b/arch/loongarch/kernel/head.S
index ce7f6c04f4ab..7f288e89573b 100644
--- a/arch/loongarch/kernel/head.S
+++ b/arch/loongarch/kernel/head.S
@@ -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)
diff --git a/arch/loongarch/kernel/unwind_orc.c b/arch/loongarch/kernel/unwind_orc.c
index 0d5fa64a2225..710f82d73797 100644
--- a/arch/loongarch/kernel/unwind_orc.c
+++ b/arch/loongarch/kernel/unwind_orc.c
@@ -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) {
/*
--
2.42.0