| From | Thomas Gleixner <> | Subject | [patch 21/38] x86/entry: Make some entry symbols global | Date | Sun, 17 Jul 2022 01:17:43 +0200 (CEST) |
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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> --- arch/x86/entry/entry_64.S | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
--- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -326,7 +326,8 @@ 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 @@ -904,7 +905,8 @@ 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 @@ -1039,7 +1041,8 @@ 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
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