Here, we change all code which is not marked as functions. In other words, this code has been using END, not ENDPROC. So switch all of this to appropriate new markings SYM_CODE_START and SYM_CODE_END.
And since we removed the last user of END on X86, make sure, that END is not defined there. Signed-off-by: Jiri Slaby <jsl...@suse.cz> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Ingo Molnar <mi...@redhat.com> Cc: "H. Peter Anvin" <h...@zytor.com> Cc: x...@kernel.org --- arch/x86/entry/entry_32.S | 104 ++++++++++++++++++++++---------------------- arch/x86/kernel/ftrace_32.S | 12 ++--- include/linux/linkage.h | 2 + 3 files changed, 60 insertions(+), 58 deletions(-) diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 424636d186ea..c587bf34b93a 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -223,7 +223,7 @@ * %eax: prev task * %edx: next task */ -ENTRY(__switch_to_asm) +SYM_CODE_START(__switch_to_asm) /* * Save callee-saved registers * This must match the order in struct inactive_task_frame @@ -249,7 +249,7 @@ ENTRY(__switch_to_asm) popl %ebp jmp __switch_to -END(__switch_to_asm) +SYM_CODE_END(__switch_to_asm) /* * The unwinder expects the last frame on the stack to always be at the same @@ -275,7 +275,7 @@ ENDPROC(schedule_tail_wrapper) * ebx: kernel thread func (NULL for user thread) * edi: kernel thread arg */ -ENTRY(ret_from_fork) +SYM_CODE_START(ret_from_fork) call schedule_tail_wrapper testl %ebx, %ebx @@ -297,7 +297,7 @@ ENTRY(ret_from_fork) */ movl $0, PT_EAX(%esp) jmp 2b -END(ret_from_fork) +SYM_CODE_END(ret_from_fork) /* * Return to user mode is not as complex as all this looks, @@ -333,7 +333,7 @@ SYM_CODE_INNER_LABEL(resume_userspace, SYM_V_LOCAL) SYM_CODE_END(ret_from_exception) #ifdef CONFIG_PREEMPT -ENTRY(resume_kernel) +SYM_CODE_START(resume_kernel) DISABLE_INTERRUPTS(CLBR_ANY) .Lneed_resched: cmpl $0, PER_CPU_VAR(__preempt_count) @@ -342,7 +342,7 @@ ENTRY(resume_kernel) jz restore_all call preempt_schedule_irq jmp .Lneed_resched -END(resume_kernel) +SYM_CODE_END(resume_kernel) #endif SYM_ENTRY(__begin_SYSENTER_singlestep_region, SYM_V_GLOBAL, SYM_A_NONE) @@ -636,7 +636,7 @@ ENDPROC(entry_INT80_32) * We pack 1 stub into every 8-byte block. */ .align 8 -ENTRY(irq_entries_start) +SYM_CODE_START(irq_entries_start) vector=FIRST_EXTERNAL_VECTOR .rept (FIRST_SYSTEM_VECTOR - FIRST_EXTERNAL_VECTOR) pushl $(~vector+0x80) /* Note: always in signed byte range */ @@ -644,7 +644,7 @@ ENTRY(irq_entries_start) jmp common_interrupt .align 8 .endr -END(irq_entries_start) +SYM_CODE_END(irq_entries_start) /* * the CPU automatically disables interrupts when executing an IRQ vector, @@ -680,14 +680,14 @@ ENDPROC(name) /* The include is where all of the SMP etc. interrupts come from */ #include <asm/entry_arch.h> -ENTRY(coprocessor_error) +SYM_CODE_START(coprocessor_error) ASM_CLAC pushl $0 pushl $do_coprocessor_error jmp common_exception -END(coprocessor_error) +SYM_CODE_END(coprocessor_error) -ENTRY(simd_coprocessor_error) +SYM_CODE_START(simd_coprocessor_error) ASM_CLAC pushl $0 #ifdef CONFIG_X86_INVD_BUG @@ -699,96 +699,96 @@ ENTRY(simd_coprocessor_error) pushl $do_simd_coprocessor_error #endif jmp common_exception -END(simd_coprocessor_error) +SYM_CODE_END(simd_coprocessor_error) -ENTRY(device_not_available) +SYM_CODE_START(device_not_available) ASM_CLAC pushl $-1 # mark this as an int pushl $do_device_not_available jmp common_exception -END(device_not_available) +SYM_CODE_END(device_not_available) #ifdef CONFIG_PARAVIRT -ENTRY(native_iret) +SYM_CODE_START(native_iret) iret _ASM_EXTABLE(native_iret, iret_exc) -END(native_iret) +SYM_CODE_END(native_iret) #endif -ENTRY(overflow) +SYM_CODE_START(overflow) ASM_CLAC pushl $0 pushl $do_overflow jmp common_exception -END(overflow) +SYM_CODE_END(overflow) -ENTRY(bounds) +SYM_CODE_START(bounds) ASM_CLAC pushl $0 pushl $do_bounds jmp common_exception -END(bounds) +SYM_CODE_END(bounds) -ENTRY(invalid_op) +SYM_CODE_START(invalid_op) ASM_CLAC pushl $0 pushl $do_invalid_op jmp common_exception -END(invalid_op) +SYM_CODE_END(invalid_op) -ENTRY(coprocessor_segment_overrun) +SYM_CODE_START(coprocessor_segment_overrun) ASM_CLAC pushl $0 pushl $do_coprocessor_segment_overrun jmp common_exception -END(coprocessor_segment_overrun) +SYM_CODE_END(coprocessor_segment_overrun) -ENTRY(invalid_TSS) +SYM_CODE_START(invalid_TSS) ASM_CLAC pushl $do_invalid_TSS jmp common_exception -END(invalid_TSS) +SYM_CODE_END(invalid_TSS) -ENTRY(segment_not_present) +SYM_CODE_START(segment_not_present) ASM_CLAC pushl $do_segment_not_present jmp common_exception -END(segment_not_present) +SYM_CODE_END(segment_not_present) -ENTRY(stack_segment) +SYM_CODE_START(stack_segment) ASM_CLAC pushl $do_stack_segment jmp common_exception -END(stack_segment) +SYM_CODE_END(stack_segment) -ENTRY(alignment_check) +SYM_CODE_START(alignment_check) ASM_CLAC pushl $do_alignment_check jmp common_exception -END(alignment_check) +SYM_CODE_END(alignment_check) -ENTRY(divide_error) +SYM_CODE_START(divide_error) ASM_CLAC pushl $0 # no error code pushl $do_divide_error jmp common_exception -END(divide_error) +SYM_CODE_END(divide_error) #ifdef CONFIG_X86_MCE -ENTRY(machine_check) +SYM_CODE_START(machine_check) ASM_CLAC pushl $0 pushl machine_check_vector jmp common_exception -END(machine_check) +SYM_CODE_END(machine_check) #endif -ENTRY(spurious_interrupt_bug) +SYM_CODE_START(spurious_interrupt_bug) ASM_CLAC pushl $0 pushl $do_spurious_interrupt_bug jmp common_exception -END(spurious_interrupt_bug) +SYM_CODE_END(spurious_interrupt_bug) #ifdef CONFIG_XEN ENTRY(xen_hypervisor_callback) @@ -884,12 +884,12 @@ BUILD_INTERRUPT3(hyperv_callback_vector, HYPERVISOR_CALLBACK_VECTOR, #endif /* CONFIG_HYPERV */ -ENTRY(page_fault) +SYM_CODE_START(page_fault) ASM_CLAC pushl $do_page_fault ALIGN jmp common_exception -END(page_fault) +SYM_CODE_END(page_fault) SYM_CODE_START_LOCAL_NOALIGN(common_exception) /* the function address is in %gs's slot on the stack */ @@ -923,7 +923,7 @@ SYM_CODE_START_LOCAL_NOALIGN(common_exception) jmp ret_from_exception SYM_CODE_END(common_exception) -ENTRY(debug) +SYM_CODE_START(debug) /* * #DB can happen at the first instruction of * entry_SYSENTER_32 or in Xen's SYSENTER prologue. If this @@ -958,7 +958,7 @@ ENTRY(debug) call do_debug movl %ebx, %esp jmp ret_from_exception -END(debug) +SYM_CODE_END(debug) /* * NMI is doubly nasty. It can happen on the first instruction of @@ -967,7 +967,7 @@ END(debug) * switched stacks. We handle both conditions by simply checking whether we * interrupted kernel code running on the SYSENTER stack. */ -ENTRY(nmi) +SYM_CODE_START(nmi) ASM_CLAC #ifdef CONFIG_X86_ESPFIX32 pushl %eax @@ -1026,9 +1026,9 @@ ENTRY(nmi) lss 12+4(%esp), %esp # back to espfix stack jmp .Lirq_return #endif -END(nmi) +SYM_CODE_END(nmi) -ENTRY(int3) +SYM_CODE_START(int3) ASM_CLAC pushl $-1 # mark this as an int SAVE_ALL @@ -1038,22 +1038,22 @@ ENTRY(int3) movl %esp, %eax # pt_regs pointer call do_int3 jmp ret_from_exception -END(int3) +SYM_CODE_END(int3) -ENTRY(general_protection) +SYM_CODE_START(general_protection) pushl $do_general_protection jmp common_exception -END(general_protection) +SYM_CODE_END(general_protection) #ifdef CONFIG_KVM_GUEST -ENTRY(async_page_fault) +SYM_CODE_START(async_page_fault) ASM_CLAC pushl $do_async_page_fault jmp common_exception -END(async_page_fault) +SYM_CODE_END(async_page_fault) #endif -ENTRY(rewind_stack_do_exit) +SYM_CODE_START(rewind_stack_do_exit) /* Prevent any naive code from trying to unwind to our caller. */ xorl %ebp, %ebp @@ -1062,4 +1062,4 @@ ENTRY(rewind_stack_do_exit) call do_exit 1: jmp 1b -END(rewind_stack_do_exit) +SYM_CODE_END(rewind_stack_do_exit) diff --git a/arch/x86/kernel/ftrace_32.S b/arch/x86/kernel/ftrace_32.S index dfab7dc29b8d..efe209b292f8 100644 --- a/arch/x86/kernel/ftrace_32.S +++ b/arch/x86/kernel/ftrace_32.S @@ -33,7 +33,7 @@ SYM_FUNC_START(function_hook) ret SYM_FUNC_END(function_hook) -ENTRY(ftrace_caller) +SYM_CODE_START(ftrace_caller) #ifdef USING_FRAME_POINTER # ifdef CC_USING_FENTRY @@ -98,7 +98,7 @@ ftrace_graph_call: /* This is weak to keep gas from relaxing the jumps */ WEAK(ftrace_stub) ret -END(ftrace_caller) +SYM_CODE_END(ftrace_caller) SYM_CODE_START(ftrace_regs_caller) /* @@ -171,7 +171,7 @@ SYM_CODE_INNER_LABEL_NOALIGN(ftrace_regs_call, SYM_V_GLOBAL) SYM_CODE_END(ftrace_regs_caller) #else /* ! CONFIG_DYNAMIC_FTRACE */ -ENTRY(function_hook) +SYM_CODE_START(function_hook) cmpl $__PAGE_OFFSET, %esp jb ftrace_stub /* Paging not enabled yet? */ @@ -203,11 +203,11 @@ ftrace_stub: popl %ecx popl %eax jmp ftrace_stub -END(function_hook) +SYM_CODE_END(function_hook) #endif /* CONFIG_DYNAMIC_FTRACE */ #ifdef CONFIG_FUNCTION_GRAPH_TRACER -ENTRY(ftrace_graph_caller) +SYM_CODE_START(ftrace_graph_caller) pushl %eax pushl %ecx pushl %edx @@ -226,7 +226,7 @@ ENTRY(ftrace_graph_caller) popl %ecx popl %eax ret -END(ftrace_graph_caller) +SYM_CODE_END(ftrace_graph_caller) .globl return_to_handler return_to_handler: diff --git a/include/linux/linkage.h b/include/linux/linkage.h index e64aa9fd24bb..42762a45aab5 100644 --- a/include/linux/linkage.h +++ b/include/linux/linkage.h @@ -119,11 +119,13 @@ SYM_FUNC_START_WEAK_NOALIGN(name) #endif +#ifndef CONFIG_X86 #ifndef END /* deprecated, use SYM_FUNC_END, SYM_DATA_END, or SYM_END */ #define END(name) \ .size name, .-name #endif +#endif /* CONFIG_X86 */ #ifndef CONFIG_X86_64 /* If symbol 'name' is treated as a subroutine (gets called, and returns) -- 2.14.2