linux-kernel - [PATCH v2 1/3] vmlinux.lds.h: Add .gnu.version* to DISCARDS

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Message-Id: <20200622205341.2987797-2-keescook@chromium.org>
Date:   Mon, 22 Jun 2020 13:53:39 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Borislav Petkov <bp@...e.de>
Cc:     Kees Cook <keescook@...omium.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        Arnd Bergmann <arnd@...db.de>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        clang-built-linux@...glegroups.com, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/3] vmlinux.lds.h: Add .gnu.version* to DISCARDS

For vmlinux linking, no architecture uses the .gnu.version* section,
so remove it via the common DISCARDS macro in preparation for adding
--orphan-handling=warn more widely.

Signed-off-by: Kees Cook <keescook@...omium.org>
---
 include/asm-generic/vmlinux.lds.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index db600ef218d7..6fbe9ed10cdb 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -934,6 +934,7 @@
 	*(.discard)							\
 	*(.discard.*)							\
 	*(.modinfo)							\
+	*(.gnu.version*)						\
 	}
 
 /**
-- 
2.25.1