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Subject[tip:x86/vdso] x86, vdso: Actually discard the .discard sections
Commit-ID:  26f5ef2e3c3c18f1dc31461ddf1db00b014edcd4
Gitweb: http://git.kernel.org/tip/26f5ef2e3c3c18f1dc31461ddf1db00b014edcd4
Author: H. Peter Anvin <hpa@linux.intel.com>
AuthorDate: Tue, 25 Mar 2014 13:41:36 -0700
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Tue, 25 Mar 2014 13:41:36 -0700

x86, vdso: Actually discard the .discard sections

The .discard/.discard.* sections are used to generate intermediate
results for the assembler (effectively "test assembly".) The output
is waste and should not be retained.

Cc: Stefani Seibold <stefani@seibold.net>
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/n/tip-psizrnant8x3nrhbgvq2vekr@git.kernel.org
---
arch/x86/vdso/vdso-layout.lds.S | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/arch/x86/vdso/vdso-layout.lds.S b/arch/x86/vdso/vdso-layout.lds.S
index c6d0e1b..2e263f3 100644
--- a/arch/x86/vdso/vdso-layout.lds.S
+++ b/arch/x86/vdso/vdso-layout.lds.S
@@ -62,6 +62,11 @@ SECTIONS
. = ALIGN(0x100);

.text : { *(.text*) } :text =0x90909090
+
+ /DISCARD/ : {
+ *(.discard)
+ *(.discard.*)
+ }
}

/*

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