Commit 6e5416d6 authored by Tiezhu Yang's avatar Tiezhu Yang Committed by Huacai Chen
Browse files

LoongArch: Remove is_entry_func() and kernel_entry_end 

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: default avatarJosh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: default avatarTiezhu Yang <yangtiezhu@loongson.cn>
parent 1b2f4706

arch/loongarch/kernel/head.S

+0 −2
Original line number Diff line number Diff line
@@ -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)

arch/loongarch/kernel/unwind_orc.c

+0 −11
Original line number Diff line number Diff line
@@ -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) {

		/*