linux-kernel - [PATCH] x86, alternative: bump MAX_PATCH

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Message-ID: <YgqSOyubItnEVRQK@localhost.localdomain>
Date:   Mon, 14 Feb 2022 20:32:43 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     bp@...e.de
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org
Subject: [PATCH] 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(-)

--- 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;