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Message-Id: <1244814040-5810-9-git-send-email-ptesarik@suse.cz>
Date: Fri, 12 Jun 2009 15:40:40 +0200
From: Petr Tesarik <ptesarik@...e.cz>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>, Andi Kleen <andi@...stfloor.org>,
Roland McGrath <roland@...hat.com>,
Petr Tesarik <ptesarik@...e.cz>
Subject: [PATCH v2 8/8] x86: remove unneeded section from the vDSO
Some standard sections are not useful in the resulting binary.
.gnu.warning.* is only interesting for the linker.
.note.* may be discarded, except:
.note.Linux which contains the Linux version
.note.gnu.build-id which may be useful for identifying
the vDSO
Signed-off-by: Petr Tesarik <ptesarik@...e.cz>
---
arch/x86/vdso/vdso-layout.lds.S | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/arch/x86/vdso/vdso-layout.lds.S b/arch/x86/vdso/vdso-layout.lds.S
index 3b56e2f..b70c27d 100644
--- a/arch/x86/vdso/vdso-layout.lds.S
+++ b/arch/x86/vdso/vdso-layout.lds.S
@@ -31,7 +31,8 @@ SECTIONS
}
.note : {
- *(.note.*)
+ *(.note.Linux)
+ *(.note.gnu.build-id)
} :text :note
.eh_frame_hdr : {
@@ -100,6 +101,12 @@ SECTIONS
*(.altinstructions)
*(.altinstr_replacement)
}
+
+ /* These sections are not useful to user-space */
+ /DISCARD/ : {
+ *(.gnu.warning.*)
+ *(.note.*)
+ }
}
/* This assert is triggered if the linker finds a section in one of its
--
1.6.0.2
--
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