linux-kernel - [PATCH 2/5] x86/alternative: bump MAX_PATCH

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Message-Id: <20220311144312.88466-2-adobriyan@gmail.com>
Date:   Fri, 11 Mar 2022 17:43:09 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     x86@...nel.org
Cc:     tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        dave.hansen@...ux.intel.com, hpa@...or.com,
        linux-kernel@...r.kernel.org, adobriyan@...il.com
Subject: [PATCH 2/5] x86/alternative: bump MAX_PATCH_LEN

Replacement instructions are raw data, there is no need to reserve
space for the NUL terminator.

Signed-off-by: Alexey Dobriyan (CloudLinux) <adobriyan@...il.com>
---
 arch/x86/kernel/alternative.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 6c9758ee6810..1e6fd814dd08 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -35,7 +35,7 @@ int __read_mostly alternatives_patched;
 
 EXPORT_SYMBOL_GPL(alternatives_patched);
 
-#define MAX_PATCH_LEN (255-1)
+#define MAX_PATCH_LEN 255
 
 static int __initdata_or_module debug_alternative;
 
-- 
2.34.1