From: Helge Deller <deller@gmx.de>
Date: Thu, 28 Dec 2023 10:36:03 +0000 (+0100)
Subject: linux/export: Ensure natural alignment of kcrctab array
X-Git-Tag: v6.1.71~22
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=95e21657ffe90b031ed1e789255389fb2122fdb4;p=thirdparty%2Fkernel%2Fstable.git

linux/export: Ensure natural alignment of kcrctab array

[ Upstream commit 753547de0daecbdbd1af3618987ddade325d9aaa ]

The ___kcrctab section holds an array of 32-bit CRC values.
Add a .balign 4 to tell the linker the correct memory alignment.

Fixes: f3304ecd7f06 ("linux/export: use inline assembler to populate symbol CRCs")
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/include/linux/export-internal.h b/include/linux/export-internal.h
index fe7e6ba918f10..29de29af9546c 100644
--- a/include/linux/export-internal.h
+++ b/include/linux/export-internal.h
@@ -12,6 +12,7 @@
 
 #define SYMBOL_CRC(sym, crc, sec)   \
 	asm(".section \"___kcrctab" sec "+" #sym "\",\"a\""	"\n" \
+	    ".balign 4"						"\n" \
 	    "__crc_" #sym ":"					"\n" \
 	    ".long " #crc					"\n" \
 	    ".previous"						"\n")