diff options
| author | Tiezhu Yang <yangtiezhu@loongson.cn> | 2025-12-31 15:19:10 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2025-12-31 15:19:10 +0800 |
| commit | 1b2f4706c6a20ab6ac41533dd8032d54322076e3 (patch) | |
| tree | e129888642083687a2af1fa6a4535716d262ecc7 /arch | |
| parent | d5be446948b379f1d1a8e7bc6656d13f44c5c7b1 (diff) | |
LoongArch: Use UNWIND_HINT_END_OF_STACK for entry points
kernel_entry() and smpboot_entry() are the last frames for ORC unwinder,
so it is proper to use the annotation UNWIND_HINT_END_OF_STACK for them.
Link: https://lore.kernel.org/lkml/ots6w2ntyudj5ucs5eowncta2vmfssatpcqwzpar3ekk577hxi@j45dd4dmwx6x/
Suggested-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/loongarch/kernel/head.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/loongarch/kernel/head.S b/arch/loongarch/kernel/head.S index aba548db2446..ce7f6c04f4ab 100644 --- a/arch/loongarch/kernel/head.S +++ b/arch/loongarch/kernel/head.S @@ -42,6 +42,7 @@ SYM_DATA(kernel_fsize, .long _kernel_fsize); .align 12 SYM_CODE_START(kernel_entry) # kernel entry point + UNWIND_HINT_END_OF_STACK SETUP_TWINS SETUP_MODES t0 @@ -113,6 +114,7 @@ SYM_CODE_END(kernel_entry) * function after setting up the stack and tp registers. */ SYM_CODE_START(smpboot_entry) + UNWIND_HINT_END_OF_STACK SETUP_TWINS SETUP_MODES t0 |