diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2022-09-15 13:11:21 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-10-17 16:41:12 +0200 |
| commit | c22cf380c79c4bb0e502b0343f57271b17626424 (patch) | |
| tree | 494246273d5d616dcf29810f8833be09a978a197 | |
| parent | x86/alternatives: Provide text_poke_copy_locked() (diff) | |
| download | linux-c22cf380c79c4bb0e502b0343f57271b17626424.tar.xz linux-c22cf380c79c4bb0e502b0343f57271b17626424.zip | |
x86/entry: Make some entry symbols global
paranoid_entry(), error_entry() and xen_error_entry() have to be
exempted from call accounting by thunk patching because they are
before UNTRAIN_RET.
Expose them so they are available in the alternative code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220915111147.265598113@infradead.org
| -rw-r--r-- | arch/x86/entry/entry_64.S | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index b24b84b3425f..4cc0125fdfdc 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -327,7 +327,8 @@ SYM_CODE_END(ret_from_fork) #endif .endm -SYM_CODE_START_LOCAL(xen_error_entry) +SYM_CODE_START(xen_error_entry) + ANNOTATE_NOENDBR UNWIND_HINT_FUNC PUSH_AND_CLEAR_REGS save_ret=1 ENCODE_FRAME_POINTER 8 @@ -906,7 +907,8 @@ SYM_CODE_END(xen_failsafe_callback) * R14 - old CR3 * R15 - old SPEC_CTRL */ -SYM_CODE_START_LOCAL(paranoid_entry) +SYM_CODE_START(paranoid_entry) + ANNOTATE_NOENDBR UNWIND_HINT_FUNC PUSH_AND_CLEAR_REGS save_ret=1 ENCODE_FRAME_POINTER 8 @@ -1041,7 +1043,8 @@ SYM_CODE_END(paranoid_exit) /* * Switch GS and CR3 if needed. */ -SYM_CODE_START_LOCAL(error_entry) +SYM_CODE_START(error_entry) + ANNOTATE_NOENDBR UNWIND_HINT_FUNC PUSH_AND_CLEAR_REGS save_ret=1 |