The following commit has been merged into the x86/asm branch of tip: Commit-ID: 26ba4e5738a544aa17c462bfbe580e74071c810b Gitweb: https://git.kernel.org/tip/26ba4e5738a544aa17c462bfbe580e74071c810b Author: Jiri Slaby <jslaby@xxxxxxx> AuthorDate: Fri, 11 Oct 2019 13:50:57 +02:00 Committer: Borislav Petkov <bp@xxxxxxx> CommitterDate: Fri, 18 Oct 2019 11:27:44 +02:00 x86/asm: Use SYM_INNER_LABEL instead of GLOBAL The GLOBAL macro had several meanings and is going away. Convert all the inner function labels marked with GLOBAL to use SYM_INNER_LABEL instead. Signed-off-by: Jiri Slaby <jslaby@xxxxxxx> Signed-off-by: Borislav Petkov <bp@xxxxxxx> Cc: Andy Lutomirski <luto@xxxxxxxxxx> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Jiri Kosina <jkosina@xxxxxxx> Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> Cc: linux-arch@xxxxxxxxxxxxxxx Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: "Steven Rostedt (VMware)" <rostedt@xxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: x86-ml <x86@xxxxxxxxxx> Link: https://lkml.kernel.org/r/20191011115108.12392-18-jslaby@xxxxxxx --- arch/x86/entry/entry_64.S | 6 +++--- arch/x86/entry/entry_64_compat.S | 4 ++-- arch/x86/entry/vdso/vdso32/system_call.S | 2 +- arch/x86/kernel/ftrace_32.S | 2 +- arch/x86/kernel/ftrace_64.S | 16 ++++++++-------- arch/x86/realmode/rm/reboot.S | 2 +- 6 files changed, 16 insertions(+), 16 deletions(-) diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 607e25f..57d2460 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -162,7 +162,7 @@ ENTRY(entry_SYSCALL_64) pushq %r11 /* pt_regs->flags */ pushq $__USER_CS /* pt_regs->cs */ pushq %rcx /* pt_regs->ip */ -GLOBAL(entry_SYSCALL_64_after_hwframe) +SYM_INNER_LABEL(entry_SYSCALL_64_after_hwframe, SYM_L_GLOBAL) pushq %rax /* pt_regs->orig_ax */ PUSH_AND_CLEAR_REGS rax=$-ENOSYS @@ -621,7 +621,7 @@ ret_from_intr: call prepare_exit_to_usermode TRACE_IRQS_IRETQ -GLOBAL(swapgs_restore_regs_and_return_to_usermode) +SYM_INNER_LABEL(swapgs_restore_regs_and_return_to_usermode, SYM_L_GLOBAL) #ifdef CONFIG_DEBUG_ENTRY /* Assert that pt_regs indicates user mode. */ testb $3, CS(%rsp) @@ -679,7 +679,7 @@ retint_kernel: */ TRACE_IRQS_IRETQ -GLOBAL(restore_regs_and_return_to_kernel) +SYM_INNER_LABEL(restore_regs_and_return_to_kernel, SYM_L_GLOBAL) #ifdef CONFIG_DEBUG_ENTRY /* Assert that pt_regs indicates kernel mode. */ testb $3, CS(%rsp) diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index 3991377..5c7e716 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -146,7 +146,7 @@ ENTRY(entry_SYSENTER_compat) pushq $X86_EFLAGS_FIXED popfq jmp .Lsysenter_flags_fixed -GLOBAL(__end_entry_SYSENTER_compat) +SYM_INNER_LABEL(__end_entry_SYSENTER_compat, SYM_L_GLOBAL) ENDPROC(entry_SYSENTER_compat) /* @@ -215,7 +215,7 @@ ENTRY(entry_SYSCALL_compat) pushq %r11 /* pt_regs->flags */ pushq $__USER32_CS /* pt_regs->cs */ pushq %rcx /* pt_regs->ip */ -GLOBAL(entry_SYSCALL_compat_after_hwframe) +SYM_INNER_LABEL(entry_SYSCALL_compat_after_hwframe, SYM_L_GLOBAL) movl %eax, %eax /* discard orig_ax high bits */ pushq %rax /* pt_regs->orig_ax */ pushq %rdi /* pt_regs->di */ diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S index 263d743..de1fff7 100644 --- a/arch/x86/entry/vdso/vdso32/system_call.S +++ b/arch/x86/entry/vdso/vdso32/system_call.S @@ -62,7 +62,7 @@ __kernel_vsyscall: /* Enter using int $0x80 */ int $0x80 -GLOBAL(int80_landing_pad) +SYM_INNER_LABEL(int80_landing_pad, SYM_L_GLOBAL) /* * Restore EDX and ECX in case they were clobbered. EBP is not diff --git a/arch/x86/kernel/ftrace_32.S b/arch/x86/kernel/ftrace_32.S index 073aab5..e0061dc 100644 --- a/arch/x86/kernel/ftrace_32.S +++ b/arch/x86/kernel/ftrace_32.S @@ -138,7 +138,7 @@ ENTRY(ftrace_regs_caller) movl function_trace_op, %ecx # 3rd argument: ftrace_pos pushl %esp # 4th argument: pt_regs -GLOBAL(ftrace_regs_call) +SYM_INNER_LABEL(ftrace_regs_call, SYM_L_GLOBAL) call ftrace_stub addl $4, %esp # skip 4th argument diff --git a/arch/x86/kernel/ftrace_64.S b/arch/x86/kernel/ftrace_64.S index 809d543..3afaaf5 100644 --- a/arch/x86/kernel/ftrace_64.S +++ b/arch/x86/kernel/ftrace_64.S @@ -140,14 +140,14 @@ ENTRY(ftrace_caller) /* save_mcount_regs fills in first two parameters */ save_mcount_regs -GLOBAL(ftrace_caller_op_ptr) +SYM_INNER_LABEL(ftrace_caller_op_ptr, SYM_L_GLOBAL) /* Load the ftrace_ops into the 3rd parameter */ movq function_trace_op(%rip), %rdx /* regs go into 4th parameter (but make it NULL) */ movq $0, %rcx -GLOBAL(ftrace_call) +SYM_INNER_LABEL(ftrace_call, SYM_L_GLOBAL) call ftrace_stub restore_mcount_regs @@ -157,10 +157,10 @@ GLOBAL(ftrace_call) * think twice before adding any new code or changing the * layout here. */ -GLOBAL(ftrace_epilogue) +SYM_INNER_LABEL(ftrace_epilogue, SYM_L_GLOBAL) #ifdef CONFIG_FUNCTION_GRAPH_TRACER -GLOBAL(ftrace_graph_call) +SYM_INNER_LABEL(ftrace_graph_call, SYM_L_GLOBAL) jmp ftrace_stub #endif @@ -180,7 +180,7 @@ ENTRY(ftrace_regs_caller) save_mcount_regs 8 /* save_mcount_regs fills in first two parameters */ -GLOBAL(ftrace_regs_caller_op_ptr) +SYM_INNER_LABEL(ftrace_regs_caller_op_ptr, SYM_L_GLOBAL) /* Load the ftrace_ops into the 3rd parameter */ movq function_trace_op(%rip), %rdx @@ -209,7 +209,7 @@ GLOBAL(ftrace_regs_caller_op_ptr) /* regs go into 4th parameter */ leaq (%rsp), %rcx -GLOBAL(ftrace_regs_call) +SYM_INNER_LABEL(ftrace_regs_call, SYM_L_GLOBAL) call ftrace_stub /* Copy flags back to SS, to restore them */ @@ -239,7 +239,7 @@ GLOBAL(ftrace_regs_call) * The trampoline will add the code to jump * to the return. */ -GLOBAL(ftrace_regs_caller_end) +SYM_INNER_LABEL(ftrace_regs_caller_end, SYM_L_GLOBAL) jmp ftrace_epilogue @@ -261,7 +261,7 @@ fgraph_trace: jnz ftrace_graph_caller #endif -GLOBAL(ftrace_stub) +SYM_INNER_LABEL(ftrace_stub, SYM_L_GLOBAL) retq trace: diff --git a/arch/x86/realmode/rm/reboot.S b/arch/x86/realmode/rm/reboot.S index cd2f97b..f91425a 100644 --- a/arch/x86/realmode/rm/reboot.S +++ b/arch/x86/realmode/rm/reboot.S @@ -33,7 +33,7 @@ ENTRY(machine_real_restart_asm) movl %eax, %cr0 ljmpl $__KERNEL32_CS, $pa_machine_real_restart_paging_off -GLOBAL(machine_real_restart_paging_off) +SYM_INNER_LABEL(machine_real_restart_paging_off, SYM_L_GLOBAL) xorl %eax, %eax xorl %edx, %edx movl $MSR_EFER, %ecx
