When objtool checked the fpu.o file, the following warnings appeared, $ ./tools/objtool/objtool --orc arch/loongarch/kernel/fpu.o arch/loongarch/kernel/fpu.o: warning: objtool: _save_fp_context() falls through to next function fault() This `fault` is only used in extable, it is not a function itself, and change SYM_FUNC_START(fault) to the label method(.L_fault). Signed-off-by: Youling Tang <tangyouling@xxxxxxxxxxx> --- arch/loongarch/kernel/fpu.S | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/arch/loongarch/kernel/fpu.S b/arch/loongarch/kernel/fpu.S index ccde94140c89..8331835c0591 100644 --- a/arch/loongarch/kernel/fpu.S +++ b/arch/loongarch/kernel/fpu.S @@ -20,9 +20,13 @@ #define LSX_REG_WIDTH 16 #define LASX_REG_WIDTH 32 +.L_fault: + li.w a0, -EFAULT # failure + jr ra + .macro EX insn, reg, src, offs .ex\@: \insn \reg, \src, \offs - _asm_extable .ex\@, fault + _asm_extable .ex\@, .L_fault .endm .macro sc_save_fp base @@ -243,8 +247,3 @@ SYM_FUNC_START(_restore_fp_context) li.w a0, 0 # success jr ra SYM_FUNC_END(_restore_fp_context) - -SYM_FUNC_START(fault) - li.w a0, -EFAULT # failure - jr ra -SYM_FUNC_END(fault) -- 2.39.2
