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authorJiri Slaby <[email protected]>2019-10-11 13:51:08 +0200
committerBorislav Petkov <[email protected]>2019-10-18 12:13:35 +0200
commit13fbe784ef6e58d0267a6e183f90ce7826d7d885 (patch)
treee014543e832dd2f38b44995b0c64a7d3080268f0
parent6d685e5318e51b843ca50adeca50dc6300bf2cbb (diff)
x86/asm: Replace WEAK uses by SYM_INNER_LABEL_ALIGN
Use the new SYM_INNER_LABEL_ALIGN for WEAK entries in the middle of x86 assembly functions. And make sure WEAK is not defined for x86 anymore as these were the last users. Signed-off-by: Jiri Slaby <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Cc: Andrey Ryabinin <[email protected]> Cc: Boris Ostrovsky <[email protected]> Cc: Herbert Xu <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Josh Poimboeuf <[email protected]> Cc: [email protected] Cc: Mark Rutland <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: "Rafael J. Wysocki" <[email protected]> Cc: "Steven Rostedt (VMware)" <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: x86-ml <[email protected]> Link: https://lkml.kernel.org/r/[email protected]
-rw-r--r--arch/x86/kernel/ftrace_32.S2
-rw-r--r--arch/x86/kernel/ftrace_64.S2
-rw-r--r--arch/x86/kernel/head_32.S2
-rw-r--r--include/linux/linkage.h2
4 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kernel/ftrace_32.S b/arch/x86/kernel/ftrace_32.S
index b4f495bbd5a1..8ed1f5d371f0 100644
--- a/arch/x86/kernel/ftrace_32.S
+++ b/arch/x86/kernel/ftrace_32.S
@@ -85,7 +85,7 @@ ftrace_graph_call:
#endif
/* This is weak to keep gas from relaxing the jumps */
-WEAK(ftrace_stub)
+SYM_INNER_LABEL_ALIGN(ftrace_stub, SYM_L_WEAK)
ret
SYM_CODE_END(ftrace_caller)
diff --git a/arch/x86/kernel/ftrace_64.S b/arch/x86/kernel/ftrace_64.S
index 16deae706950..69c8d1b9119e 100644
--- a/arch/x86/kernel/ftrace_64.S
+++ b/arch/x86/kernel/ftrace_64.S
@@ -168,7 +168,7 @@ SYM_INNER_LABEL(ftrace_graph_call, SYM_L_GLOBAL)
* This is weak to keep gas from relaxing the jumps.
* It is also used to copy the retq for trampolines.
*/
-WEAK(ftrace_stub)
+SYM_INNER_LABEL_ALIGN(ftrace_stub, SYM_L_WEAK)
retq
SYM_FUNC_END(ftrace_caller)
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index ea24aa5465fd..3fe7d2008b7a 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -156,7 +156,7 @@ SYM_CODE_START(startup_32)
jmp *%eax
.Lbad_subarch:
-WEAK(xen_entry)
+SYM_INNER_LABEL_ALIGN(xen_entry, SYM_L_WEAK)
/* Unknown implementation; there's really
nothing we can do at this point. */
ud2a
diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index 331a2306312c..9280209d1f62 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -121,13 +121,13 @@
#endif /* CONFIG_X86 */
#endif /* LINKER_SCRIPT */
+#ifndef CONFIG_X86
#ifndef WEAK
/* deprecated, use SYM_FUNC_START_WEAK* */
#define WEAK(name) \
SYM_FUNC_START_WEAK(name)
#endif
-#ifndef CONFIG_X86
#ifndef END
/* deprecated, use SYM_FUNC_END, SYM_DATA_END, or SYM_END */
#define END(name) \