[tip: x86/alternatives] x86/alternatives: Move declarations of vmlinux.lds.S defined section symbols to <asm/alternative.h>

[tip-bot2 for Ingo Molnar]

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

Commit-ID:     b1bb39185df6f5ddafcb912304b73e70c6b70c5f
Gitweb:        https://git.kernel.org/tip/b1bb39185df6f5ddafcb912304b73e70c6b70c5f
Author:        Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate:    Fri, 11 Apr 2025 07:41:00 +02:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Fri, 11 Apr 2025 11:01:35 +02:00

x86/alternatives: Move declarations of vmlinux.lds.S defined section symbols to <asm/alternative.h>

Move it from the middle of a .c file next to the similar declarations
of __alt_instructions[] et al.

Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Juergen Gross <jgross@xxxxxxxx>
Cc: "H . Peter Anvin" <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20250411054105.2341982-49-mingo@xxxxxxxxxx
---
 arch/x86/include/asm/alternative.h | 6 ++++++
 arch/x86/kernel/alternative.c      | 6 ------
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index 4a37a8b..ef84739 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -82,6 +82,12 @@ struct alt_instr {
 
 extern struct alt_instr __alt_instructions[], __alt_instructions_end[];
 
+extern s32 __retpoline_sites[], __retpoline_sites_end[];
+extern s32 __return_sites[],	__return_sites_end[];
+extern s32 __cfi_sites[],	__cfi_sites_end[];
+extern s32 __ibt_endbr_seal[],	__ibt_endbr_seal_end[];
+extern s32 __smp_locks[],	__smp_locks_end[];
+
 /*
  * Debug flag that can be tested to see whether alternative
  * instructions were patched in already:
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index eb3be5d..cd828c2 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -149,12 +149,6 @@ static void add_nop(u8 *buf, unsigned int len)
 		*buf = INT3_INSN_OPCODE;
 }
 
-extern s32 __retpoline_sites[], __retpoline_sites_end[];
-extern s32 __return_sites[], __return_sites_end[];
-extern s32 __cfi_sites[], __cfi_sites_end[];
-extern s32 __ibt_endbr_seal[], __ibt_endbr_seal_end[];
-extern s32 __smp_locks[], __smp_locks_end[];
-
 /*
  * Matches NOP and NOPL, not any of the other possible NOPs.
  */