linux-kernel - [tip: x86/cleanups] x86/alternative: Add a __alt_reloc

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Message-ID: <169107835389.28540.5714032870565906912.tip-bot2@tip-bot2>
Date:   Thu, 03 Aug 2023 15:59:13 -0000
From:   "tip-bot2 for Arnd Bergmann" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Arnd Bergmann <arnd@...db.de>,
        "Borislav Petkov (AMD)" <bp@...en8.de>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: x86/cleanups] x86/alternative: Add a __alt_reloc_selftest() prototype

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

Commit-ID:     1a3e4b4da39bbf540a379e21869faa74bb19d16f
Gitweb:        https://git.kernel.org/tip/1a3e4b4da39bbf540a379e21869faa74bb19d16f
Author:        Arnd Bergmann <arnd@...db.de>
AuthorDate:    Thu, 03 Aug 2023 10:26:17 +02:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Thu, 03 Aug 2023 16:40:50 +02:00

x86/alternative: Add a __alt_reloc_selftest() prototype

The newly introduced selftest function causes a warning when -Wmissing-prototypes
is enabled:

  arch/x86/kernel/alternative.c:1461:32: error: no previous prototype for '__alt_reloc_selftest' [-Werror=missing-prototypes]

Since it's only used locally, add the prototype directly in front of it.

Fixes: 270a69c4485d ("x86/alternative: Support relocations in alternatives")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Link: https://lore.kernel.org/r/20230803082619.1369127-6-arnd@kernel.org
---
 arch/x86/kernel/alternative.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 2dcf3a0..934c23f 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -1531,6 +1531,7 @@ static noinline void __init int3_selftest(void)
 
 static __initdata int __alt_reloc_selftest_addr;
 
+extern void __init __alt_reloc_selftest(void *arg);
 __visible noinline void __init __alt_reloc_selftest(void *arg)
 {
 	WARN_ON(arg != &__alt_reloc_selftest_addr);