Here, we change all assembly code which is marked using END (and not ENDPROC). We switch all these to appropriate new markings SYM_CODE_START and SYM_CODE_END.
Signed-off-by: Jiri Slaby <jsl...@suse.cz> Reviewed-by: Boris Ostrovsky <boris.ostrov...@oracle.com> [xen bits] Cc: Thomas Gleixner <t...@linutronix.de> Cc: Ingo Molnar <mi...@redhat.com> Cc: "H. Peter Anvin" <h...@zytor.com> Cc: x...@kernel.org Cc: Boris Ostrovsky <boris.ostrov...@oracle.com> Cc: Juergen Gross <jgr...@suse.com> Cc: xen-de...@lists.xenproject.org --- arch/x86/entry/entry_64.S | 56 ++++++++++++++++++++-------------------- arch/x86/entry/entry_64_compat.S | 8 +++--- arch/x86/kernel/ftrace_64.S | 4 +-- arch/x86/xen/xen-asm_64.S | 8 +++--- arch/x86/xen/xen-head.S | 8 +++--- 5 files changed, 42 insertions(+), 42 deletions(-) diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index d2e2de100b16..6f85f43a4877 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -46,11 +46,11 @@ .section .entry.text, "ax" #ifdef CONFIG_PARAVIRT -ENTRY(native_usergs_sysret64) +SYM_CODE_START(native_usergs_sysret64) UNWIND_HINT_EMPTY swapgs sysretq -END(native_usergs_sysret64) +SYM_CODE_END(native_usergs_sysret64) #endif /* CONFIG_PARAVIRT */ .macro TRACE_IRQS_FLAGS flags:req @@ -163,7 +163,7 @@ END(native_usergs_sysret64) #define RSP_SCRATCH CPU_ENTRY_AREA_entry_stack + \ SIZEOF_entry_stack - 8 + CPU_ENTRY_AREA -ENTRY(entry_SYSCALL_64_trampoline) +SYM_CODE_START(entry_SYSCALL_64_trampoline) UNWIND_HINT_EMPTY swapgs @@ -193,17 +193,17 @@ ENTRY(entry_SYSCALL_64_trampoline) pushq %rdi movq $entry_SYSCALL_64_stage2, %rdi JMP_NOSPEC %rdi -END(entry_SYSCALL_64_trampoline) +SYM_CODE_END(entry_SYSCALL_64_trampoline) .popsection -ENTRY(entry_SYSCALL_64_stage2) +SYM_CODE_START(entry_SYSCALL_64_stage2) UNWIND_HINT_EMPTY popq %rdi jmp entry_SYSCALL_64_after_hwframe -END(entry_SYSCALL_64_stage2) +SYM_CODE_END(entry_SYSCALL_64_stage2) -ENTRY(entry_SYSCALL_64) +SYM_CODE_START(entry_SYSCALL_64) UNWIND_HINT_EMPTY /* * Interrupts are off on entry. @@ -336,13 +336,13 @@ syscall_return_via_sysret: popq %rdi popq %rsp USERGS_SYSRET64 -END(entry_SYSCALL_64) +SYM_CODE_END(entry_SYSCALL_64) /* * %rdi: prev task * %rsi: next task */ -ENTRY(__switch_to_asm) +SYM_CODE_START(__switch_to_asm) UNWIND_HINT_FUNC /* * Save callee-saved registers @@ -384,7 +384,7 @@ ENTRY(__switch_to_asm) popq %rbp jmp __switch_to -END(__switch_to_asm) +SYM_CODE_END(__switch_to_asm) /* * A newly forked process directly context switches into this address. @@ -393,7 +393,7 @@ END(__switch_to_asm) * rbx: kernel thread func (NULL for user thread) * r12: kernel thread arg */ -ENTRY(ret_from_fork) +SYM_CODE_START(ret_from_fork) UNWIND_HINT_EMPTY movq %rax, %rdi call schedule_tail /* rdi: 'prev' task parameter */ @@ -419,14 +419,14 @@ ENTRY(ret_from_fork) */ movq $0, RAX(%rsp) jmp 2b -END(ret_from_fork) +SYM_CODE_END(ret_from_fork) /* * Build the entry stubs with some assembler magic. * 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) UNWIND_HINT_IRET_REGS @@ -435,7 +435,7 @@ ENTRY(irq_entries_start) .align 8 vector=vector+1 .endr -END(irq_entries_start) +SYM_CODE_END(irq_entries_start) .macro DEBUG_ENTRY_ASSERT_IRQS_OFF #ifdef CONFIG_DEBUG_ENTRY @@ -561,7 +561,7 @@ END(irq_entries_start) * | return address | * +----------------------------------------------------+ */ -ENTRY(interrupt_entry) +SYM_CODE_START(interrupt_entry) UNWIND_HINT_FUNC ASM_CLAC cld @@ -627,7 +627,7 @@ ENTRY(interrupt_entry) TRACE_IRQS_OFF ret -END(interrupt_entry) +SYM_CODE_END(interrupt_entry) /* Interrupt entry/exit. */ @@ -832,7 +832,7 @@ SYM_CODE_END(common_interrupt) * APIC interrupts. */ .macro apicinterrupt3 num sym do_sym -ENTRY(\sym) +SYM_CODE_START(\sym) UNWIND_HINT_IRET_REGS pushq $~(\num) .Lcommon_\sym: @@ -840,7 +840,7 @@ ENTRY(\sym) UNWIND_HINT_REGS indirect=1 call \do_sym /* rdi points to pt_regs */ jmp ret_from_intr -END(\sym) +SYM_CODE_END(\sym) .endm /* Make sure APIC interrupt handlers end up in the irqentry section: */ @@ -902,7 +902,7 @@ apicinterrupt IRQ_WORK_VECTOR irq_work_interrupt smp_irq_work_interrupt #define CPU_TSS_IST(x) PER_CPU_VAR(cpu_tss_rw) + (TSS_ist + ((x) - 1) * 8) .macro idtentry sym do_sym has_error_code:req paranoid=0 shift_ist=-1 -ENTRY(\sym) +SYM_CODE_START(\sym) UNWIND_HINT_IRET_REGS offset=\has_error_code*8 /* Sanity check */ @@ -985,7 +985,7 @@ ENTRY(\sym) jmp error_exit /* %ebx: no swapgs flag */ .endif -END(\sym) +SYM_CODE_END(\sym) .endm idtentry divide_error do_divide_error has_error_code=0 @@ -1102,7 +1102,7 @@ SYM_CODE_END(xen_do_hypervisor_callback) * We distinguish between categories by comparing each saved segment register * with its current contents: any discrepancy means we in category 1. */ -ENTRY(xen_failsafe_callback) +SYM_CODE_START(xen_failsafe_callback) UNWIND_HINT_EMPTY movl %ds, %ecx cmpw %cx, 0x10(%rsp) @@ -1132,7 +1132,7 @@ ENTRY(xen_failsafe_callback) PUSH_AND_CLEAR_REGS ENCODE_FRAME_POINTER jmp error_exit -END(xen_failsafe_callback) +SYM_CODE_END(xen_failsafe_callback) apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \ xen_hvm_callback_vector xen_evtchn_do_upcall @@ -1340,7 +1340,7 @@ SYM_CODE_END(error_exit) * %r14: Used to save/restore the CR3 of the interrupted context * when PAGE_TABLE_ISOLATION is in use. Do not clobber. */ -ENTRY(nmi) +SYM_CODE_START(nmi) UNWIND_HINT_IRET_REGS /* @@ -1673,15 +1673,15 @@ nmi_restore: * about espfix64 on the way back to kernel mode. */ iretq -END(nmi) +SYM_CODE_END(nmi) -ENTRY(ignore_sysret) +SYM_CODE_START(ignore_sysret) UNWIND_HINT_EMPTY mov $-ENOSYS, %eax sysret -END(ignore_sysret) +SYM_CODE_END(ignore_sysret) -ENTRY(rewind_stack_do_exit) +SYM_CODE_START(rewind_stack_do_exit) UNWIND_HINT_FUNC /* Prevent any naive code from trying to unwind to our caller. */ xorl %ebp, %ebp @@ -1691,4 +1691,4 @@ ENTRY(rewind_stack_do_exit) UNWIND_HINT_FUNC sp_offset=PTREGS_SIZE call do_exit -END(rewind_stack_do_exit) +SYM_CODE_END(rewind_stack_do_exit) diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index d0880bef86c3..d03ddfc959e6 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -196,7 +196,7 @@ ENDPROC(entry_SYSENTER_compat) * esp user stack * 0(%esp) arg6 */ -ENTRY(entry_SYSCALL_compat) +SYM_CODE_START(entry_SYSCALL_compat) /* Interrupts are off on entry. */ swapgs @@ -311,7 +311,7 @@ sysret32_from_system_call: xorl %r10d, %r10d swapgs sysretl -END(entry_SYSCALL_compat) +SYM_CODE_END(entry_SYSCALL_compat) /* * 32-bit legacy system call entry. @@ -339,7 +339,7 @@ END(entry_SYSCALL_compat) * edi arg5 * ebp arg6 */ -ENTRY(entry_INT80_compat) +SYM_CODE_START(entry_INT80_compat) /* * Interrupts are off on entry. */ @@ -414,4 +414,4 @@ ENTRY(entry_INT80_compat) /* Go back to user mode. */ TRACE_IRQS_ON jmp swapgs_restore_regs_and_return_to_usermode -END(entry_INT80_compat) +SYM_CODE_END(entry_INT80_compat) diff --git a/arch/x86/kernel/ftrace_64.S b/arch/x86/kernel/ftrace_64.S index 14df6cf07b7e..51970806c2df 100644 --- a/arch/x86/kernel/ftrace_64.S +++ b/arch/x86/kernel/ftrace_64.S @@ -319,7 +319,7 @@ ENTRY(ftrace_graph_caller) retq ENDPROC(ftrace_graph_caller) -ENTRY(return_to_handler) +SYM_CODE_START(return_to_handler) UNWIND_HINT_EMPTY subq $24, %rsp @@ -335,5 +335,5 @@ ENTRY(return_to_handler) movq (%rsp), %rax addq $24, %rsp JMP_NOSPEC %rdi -END(return_to_handler) +SYM_CODE_END(return_to_handler) #endif diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S index a69a171f7cea..5a3f5c18cd0c 100644 --- a/arch/x86/xen/xen-asm_64.S +++ b/arch/x86/xen/xen-asm_64.S @@ -19,11 +19,11 @@ #include <linux/linkage.h> .macro xen_pv_trap name -ENTRY(xen_\name) +SYM_CODE_START(xen_\name) pop %rcx pop %r11 jmp \name -END(xen_\name) +SYM_CODE_END(xen_\name) .endm xen_pv_trap divide_error @@ -56,7 +56,7 @@ xen_pv_trap entry_INT80_compat xen_pv_trap hypervisor_callback __INIT -ENTRY(xen_early_idt_handler_array) +SYM_CODE_START(xen_early_idt_handler_array) i = 0 .rept NUM_EXCEPTION_VECTORS pop %rcx @@ -65,7 +65,7 @@ ENTRY(xen_early_idt_handler_array) i = i + 1 .fill xen_early_idt_handler_array + i*XEN_EARLY_IDT_HANDLER_SIZE - ., 1, 0xcc .endr -END(xen_early_idt_handler_array) +SYM_CODE_END(xen_early_idt_handler_array) __FINIT hypercall_iret = hypercall_page + __HYPERVISOR_iret * 32 diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S index 5077ead5e59c..32606eeec053 100644 --- a/arch/x86/xen/xen-head.S +++ b/arch/x86/xen/xen-head.S @@ -22,7 +22,7 @@ #ifdef CONFIG_XEN_PV __INIT -ENTRY(startup_xen) +SYM_CODE_START(startup_xen) UNWIND_HINT_EMPTY cld @@ -52,13 +52,13 @@ ENTRY(startup_xen) #endif jmp xen_start_kernel -END(startup_xen) +SYM_CODE_END(startup_xen) __FINIT #endif .pushsection .text .balign PAGE_SIZE -ENTRY(hypercall_page) +SYM_CODE_START(hypercall_page) .rept (PAGE_SIZE / 32) UNWIND_HINT_EMPTY .skip 32 @@ -69,7 +69,7 @@ ENTRY(hypercall_page) .type xen_hypercall_##n, @function; .size xen_hypercall_##n, 32 #include <asm/xen-hypercalls.h> #undef HYPERCALL -END(hypercall_page) +SYM_CODE_END(hypercall_page) .popsection ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux") -- 2.16.3