linux-kernel - [tip:x86/x32] x32: Drop non-__vdso weak symbols from the x32 VDSO

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Message-ID: <tip-862ae3132dc393ab6ea750b9ee9e0e1c276b9abb@git.kernel.org>
Date:	Wed, 22 Feb 2012 20:49:37 -0800
From:	"tip-bot for H. Peter Anvin" <hpa@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	luto@....edu, tglx@...utronix.de, hjl.tools@...il.com
Subject: [tip:x86/x32] x32: Drop non-__vdso weak symbols from the x32 VDSO

Commit-ID:  862ae3132dc393ab6ea750b9ee9e0e1c276b9abb
Gitweb:     http://git.kernel.org/tip/862ae3132dc393ab6ea750b9ee9e0e1c276b9abb
Author:     H. Peter Anvin <hpa@...or.com>
AuthorDate: Wed, 22 Feb 2012 20:37:10 -0800
Committer:  H. Peter Anvin <hpa@...or.com>
CommitDate: Wed, 22 Feb 2012 20:40:07 -0800

x32: Drop non-__vdso weak symbols from the x32 VDSO

Drop the legacy weak symbols that don't carry the __vdso prefix from
the x32 VDSO.  This is a new ABI and we don't need to support that
legacy; the actual libc will export the proper symbols.

Suggested-by: Andy Lutomirski <luto@....edu>
Link: http://lkml.kernel.org/r/4F42E171.9080005@mit.edu
Cc: H. J. Lu <hjl.tools@...il.com>
Signed-off-by: H. Peter Anvin <hpa@...or.com>
---
 arch/x86/vdso/vdsox32.lds.S |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/arch/x86/vdso/vdsox32.lds.S b/arch/x86/vdso/vdsox32.lds.S
index 373ca9a..62272aa 100644
--- a/arch/x86/vdso/vdsox32.lds.S
+++ b/arch/x86/vdso/vdsox32.lds.S
@@ -17,13 +17,9 @@
 VERSION {
 	LINUX_2.6 {
 	global:
-		clock_gettime;
 		__vdso_clock_gettime;
-		gettimeofday;
 		__vdso_gettimeofday;
-		getcpu;
 		__vdso_getcpu;
-		time;
 		__vdso_time;
 	local: *;
 	};
--
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