The following commit has been merged into the x86/core branch of tip:
Commit-ID: be9aea74400433e03c2a8b0260fc9ffe2495f698
Gitweb: https://git.kernel.org/tip/be9aea74400433e03c2a8b0260fc9ffe2495f698
Author: Mark Rutland <mark.rutland@xxxxxxx>
AuthorDate: Wed, 16 Feb 2022 16:22:29
Committer: Will Deacon <will@xxxxxxxxxx>
CommitterDate: Tue, 22 Feb 2022 16:21:34
linkage: remove SYM_FUNC_{START,END}_ALIAS()
Now that all aliases are defined using SYM_FUNC_ALIAS(), remove the old
SYM_FUNC_{START,END}_ALIAS() macros.
There should be no functional change as a result of this patch.
Signed-off-by: Mark Rutland <mark.rutland@xxxxxxx>
Acked-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Acked-by: Mark Brown <broonie@xxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Jiri Slaby <jslaby@xxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20220216162229.1076788-5-mark.rutland@xxxxxxx
Signed-off-by: Will Deacon <will@xxxxxxxxxx>
---
Documentation/asm-annotations.rst | 13 +----------
include/linux/linkage.h | 30 +------------------------
tools/perf/util/include/linux/linkage.h | 21 +-----------------
3 files changed, 64 deletions(-)
diff --git a/Documentation/asm-annotations.rst b/Documentation/asm-annotations.rst
index 4868b58..a64f2ca 100644
--- a/Documentation/asm-annotations.rst
+++ b/Documentation/asm-annotations.rst
@@ -142,19 +142,6 @@ denoting a range of code via ``SYM_*_START/END`` annotations.
result, except the debug information for the instructions is generated to
the object file only once -- for the non-``ALIAS`` case.
-* ``SYM_FUNC_START_ALIAS`` and ``SYM_FUNC_START_LOCAL_ALIAS`` are deprecated
- ways to define two or more names for one function. The typical use is::
-
- SYM_FUNC_START_ALIAS(__memset)
- SYM_FUNC_START(memset)
- ... asm insns ...
- SYM_FUNC_END(memset)
- SYM_FUNC_END_ALIAS(__memset)
-
- In this example, one can call ``__memset`` or ``memset`` with the same
- result, except the debug information for the instructions is generated to
- the object file only once -- for the non-``ALIAS`` case.
-
* ``SYM_CODE_START`` and ``SYM_CODE_START_LOCAL`` should be used only in
special cases -- if you know what you are doing. This is used exclusively
for interrupt handlers and similar where the calling convention is not the C
diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index e574a84..acb1ad2 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -211,30 +211,8 @@
SYM_ENTRY(name, linkage, SYM_A_NONE)
#endif
-/*
- * SYM_FUNC_START_LOCAL_ALIAS -- use where there are two local names for one
- * function
- */
-#ifndef SYM_FUNC_START_LOCAL_ALIAS
-#define SYM_FUNC_START_LOCAL_ALIAS(name) \
- SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN)
-#endif
-
-/*
- * SYM_FUNC_START_ALIAS -- use where there are two global names for one
- * function
- */
-#ifndef SYM_FUNC_START_ALIAS
-#define SYM_FUNC_START_ALIAS(name) \
- SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
-#endif
-
/* SYM_FUNC_START -- use for global functions */
#ifndef SYM_FUNC_START
-/*
- * The same as SYM_FUNC_START_ALIAS, but we will need to distinguish these two
- * later.
- */
#define SYM_FUNC_START(name) \
SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
#endif
@@ -247,7 +225,6 @@
/* SYM_FUNC_START_LOCAL -- use for local functions */
#ifndef SYM_FUNC_START_LOCAL
-/* the same as SYM_FUNC_START_LOCAL_ALIAS, see comment near SYM_FUNC_START */
#define SYM_FUNC_START_LOCAL(name) \
SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN)
#endif
@@ -270,18 +247,11 @@
SYM_START(name, SYM_L_WEAK, SYM_A_NONE)
#endif
-/* SYM_FUNC_END_ALIAS -- the end of LOCAL_ALIASed or ALIASed function */
-#ifndef SYM_FUNC_END_ALIAS
-#define SYM_FUNC_END_ALIAS(name) \
- SYM_END(name, SYM_T_FUNC)
-#endif
-
/*
* SYM_FUNC_END -- the end of SYM_FUNC_START_LOCAL, SYM_FUNC_START,
* SYM_FUNC_START_WEAK, ...
*/
#ifndef SYM_FUNC_END
-/* the same as SYM_FUNC_END_ALIAS, see comment near SYM_FUNC_START */
#define SYM_FUNC_END(name) \
SYM_END(name, SYM_T_FUNC)
#endif
diff --git a/tools/perf/util/include/linux/linkage.h b/tools/perf/util/include/linux/linkage.h
index 7b4cd79..aa0c517 100644
--- a/tools/perf/util/include/linux/linkage.h
+++ b/tools/perf/util/include/linux/linkage.h
@@ -64,38 +64,18 @@
.size alias, .L__sym_size_##alias
#endif
-/*
- * SYM_FUNC_START_ALIAS -- use where there are two global names for one
- * function
- */
-#ifndef SYM_FUNC_START_ALIAS
-#define SYM_FUNC_START_ALIAS(name) \
- SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
-#endif
-
/* SYM_FUNC_START -- use for global functions */
#ifndef SYM_FUNC_START
-/*
- * The same as SYM_FUNC_START_ALIAS, but we will need to distinguish these two
- * later.
- */
#define SYM_FUNC_START(name) \
SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
#endif
/* SYM_FUNC_START_LOCAL -- use for local functions */
#ifndef SYM_FUNC_START_LOCAL
-/* the same as SYM_FUNC_START_LOCAL_ALIAS, see comment near SYM_FUNC_START */
#define SYM_FUNC_START_LOCAL(name) \
SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN)
#endif
-/* SYM_FUNC_END_ALIAS -- the end of LOCAL_ALIASed or ALIASed function */
-#ifndef SYM_FUNC_END_ALIAS
-#define SYM_FUNC_END_ALIAS(name) \
- SYM_END(name, SYM_T_FUNC)
-#endif
-
/* SYM_FUNC_START_WEAK -- use for weak functions */
#ifndef SYM_FUNC_START_WEAK
#define SYM_FUNC_START_WEAK(name) \
@@ -107,7 +87,6 @@
* SYM_FUNC_START_WEAK, ...
*/
#ifndef SYM_FUNC_END
-/* the same as SYM_FUNC_END_ALIAS, see comment near SYM_FUNC_START */
#define SYM_FUNC_END(name) \
SYM_END(name, SYM_T_FUNC)
#endif
|