The following commit has been merged into the x86/asm branch of tip:

Commit-ID:     b4edca150106a68d05eaf823d665a355ff19e28b
Gitweb:        
https://git.kernel.org/tip/b4edca150106a68d05eaf823d665a355ff19e28b
Author:        Jiri Slaby <[email protected]>
AuthorDate:    Fri, 11 Oct 2019 13:50:59 +02:00
Committer:     Borislav Petkov <[email protected]>
CommitterDate: Fri, 18 Oct 2019 11:29:50 +02:00

x86/asm: Remove the last GLOBAL user and remove the macro

Convert the remaining 32bit users and remove the GLOBAL macro finally.
In particular, this means to use SYM_ENTRY for the singlestepping hack
region.

Exclude the global definition of GLOBAL from x86 too.

Signed-off-by: Jiri Slaby <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: [email protected]
Cc: Mark Rutland <[email protected]>
Cc: "Rafael J. Wysocki" <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: x86-ml <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
---
 arch/x86/entry/entry_32.S      | 4 ++--
 arch/x86/include/asm/linkage.h | 8 --------
 include/linux/linkage.h        | 2 ++
 3 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index f37ff58..4900a6a 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -832,7 +832,7 @@ SYM_INNER_LABEL_ALIGN(resume_userspace, SYM_L_LOCAL)
        jmp     restore_all
 SYM_CODE_END(ret_from_exception)
 
-GLOBAL(__begin_SYSENTER_singlestep_region)
+SYM_ENTRY(__begin_SYSENTER_singlestep_region, SYM_L_GLOBAL, SYM_A_NONE)
 /*
  * All code from here through __end_SYSENTER_singlestep_region is subject
  * to being single-stepped if a user program sets TF and executes SYSENTER.
@@ -1011,7 +1011,7 @@ ENTRY(entry_SYSENTER_32)
        pushl   $X86_EFLAGS_FIXED
        popfl
        jmp     .Lsysenter_flags_fixed
-GLOBAL(__end_SYSENTER_singlestep_region)
+SYM_ENTRY(__end_SYSENTER_singlestep_region, SYM_L_GLOBAL, SYM_A_NONE)
 ENDPROC(entry_SYSENTER_32)
 
 /*
diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h
index e07188e..3651117 100644
--- a/arch/x86/include/asm/linkage.h
+++ b/arch/x86/include/asm/linkage.h
@@ -13,14 +13,6 @@
 
 #ifdef __ASSEMBLY__
 
-/*
- * GLOBAL is DEPRECATED
- *
- * use SYM_DATA_START, SYM_FUNC_START, SYM_INNER_LABEL, SYM_CODE_START, or
- * similar
- */
-#define GLOBAL(name)   SYM_ENTRY(name, SYM_L_GLOBAL, SYM_A_NONE)
-
 #if defined(CONFIG_X86_64) || defined(CONFIG_X86_ALIGNMENT_16)
 #define __ALIGN                .p2align 4, 0x90
 #define __ALIGN_STR    __stringify(__ALIGN)
diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index f3ae8f3..cb1108d 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -105,12 +105,14 @@
 
 /* === DEPRECATED annotations === */
 
+#ifndef CONFIG_X86
 #ifndef GLOBAL
 /* deprecated, use SYM_DATA*, SYM_ENTRY, or similar */
 #define GLOBAL(name) \
        .globl name ASM_NL \
        name:
 #endif
+#endif
 
 #ifndef ENTRY
 /* deprecated, use SYM_FUNC_START */

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