linux-kernel - [PATCH v1 14/14] DCE/DSE: vmlinux.lds.h: allow NO_KEEP on __ex

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Message-Id: <3acff566dc1818a36b32a34e25b0de58c5118ee6.1699025537.git.tanyuan@tinylab.org>
Date:   Sat,  4 Nov 2023 00:04:48 +0800
From:   Yuan Tan <tanyuan@...ylab.org>
To:     falcon@...ylab.org, arnd@...db.de, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-riscv@...ts.infradead.org,
        luc.vanoostenryck@...il.com, linux-sparse@...r.kernel.org
Cc:     linux@...ssschuh.net, palmer@...osinc.com,
        paul.walmsley@...ive.com, paulburton@...nel.org,
        paulmck@...nel.org, tim.bird@...y.com, tsbogend@...ha.franken.de,
        w@....eu, tanyuan@...ylab.org, i@...kray.me
Subject: [PATCH v1 14/14] DCE/DSE: vmlinux.lds.h: allow NO_KEEP on __ex_table sections

With SHF_LINK_ORDER or SHF_GROUP, all of the __extable sections are no
longer orphan sections. In this case, KEEP() is no longer needed.

Signed-off-by: Yuan Tan <tanyuan@...ylab.org>
Signed-off-by: Zhangjin Wu <falcon@...ylab.org>
---
 include/asm-generic/vmlinux.lds.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index f10afc42a1ac..e5e5850ea573 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -658,7 +658,7 @@
 #define EXCEPTION_TABLE(align)						\
 	. = ALIGN(align);						\
 	__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {		\
-		BOUNDED_SECTION_BY(__ex_table, ___ex_table)		\
+		BOUNDED_SECTION_BY(__ex_table, ___ex_table, NO_KEEP)		\
 	}
 
 /*
-- 
2.34.1