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

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Message-ID: <174436570097.31282.7563580379273077780.tip-bot2@tip-bot2>
Date: Fri, 11 Apr 2025 10:01:40 -0000
From: "tip-bot2 for Ingo Molnar" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Ingo Molnar <mingo@...nel.org>, Juergen Gross <jgross@...e.com>,
 "H . Peter Anvin" <hpa@...or.com>,
 Linus Torvalds <torvalds@...ux-foundation.org>,
 Peter Zijlstra <peterz@...radead.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: x86/alternatives] x86/alternatives: Move declarations of
 vmlinux.lds.S defined section symbols to <asm/alternative.h>

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@...nel.org>
AuthorDate:    Fri, 11 Apr 2025 07:41:00 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
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@...nel.org>
Cc: Juergen Gross <jgross@...e.com>
Cc: "H . Peter Anvin" <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: https://lore.kernel.org/r/20250411054105.2341982-49-mingo@kernel.org
---
 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.
  */