linux-kernel - [tip:x86/asm] x86: Remove unused bits from lib/thunk

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Date:	Mon, 28 Feb 2011 17:29:02 GMT
From:	tip-bot for Jan Beulich <JBeulich@...ell.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	jbeulich@...ell.com, JBeulich@...ell.com, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:x86/asm] x86: Remove unused bits from lib/thunk_*.S

Commit-ID:  039e13890b0615cb8c5c04b6afa84d676e24c761
Gitweb:     http://git.kernel.org/tip/039e13890b0615cb8c5c04b6afa84d676e24c761
Author:     Jan Beulich <JBeulich@...ell.com>
AuthorDate: Mon, 28 Feb 2011 15:56:00 +0000
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 28 Feb 2011 18:06:22 +0100

x86: Remove unused bits from lib/thunk_*.S

Some of the items removed were apparently never used, others
simply didn't get removed with their last user.

Signed-off-by: Jan Beulich <jbeulich@...ell.com>
LKML-Reference: <4D6BD3A002000078000341F1@....id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/lib/thunk_32.S |   18 ------------------
 arch/x86/lib/thunk_64.S |   27 ---------------------------
 2 files changed, 0 insertions(+), 45 deletions(-)

diff --git a/arch/x86/lib/thunk_32.S b/arch/x86/lib/thunk_32.S
index 650b11e..2930ae0 100644
--- a/arch/x86/lib/thunk_32.S
+++ b/arch/x86/lib/thunk_32.S
@@ -7,24 +7,6 @@
 
 	#include <linux/linkage.h>
 
-#define ARCH_TRACE_IRQS_ON			\
-	pushl %eax;				\
-	pushl %ecx;				\
-	pushl %edx;				\
-	call trace_hardirqs_on;			\
-	popl %edx;				\
-	popl %ecx;				\
-	popl %eax;
-
-#define ARCH_TRACE_IRQS_OFF			\
-	pushl %eax;				\
-	pushl %ecx;				\
-	pushl %edx;				\
-	call trace_hardirqs_off;		\
-	popl %edx;				\
-	popl %ecx;				\
-	popl %eax;
-
 #ifdef CONFIG_TRACE_IRQFLAGS
 	/* put return address in eax (arg1) */
 	.macro thunk_ra name,func
diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S
index bf9a7d5..782b082 100644
--- a/arch/x86/lib/thunk_64.S
+++ b/arch/x86/lib/thunk_64.S
@@ -22,26 +22,6 @@
 	CFI_ENDPROC
 	.endm
 
-	/* rdi:	arg1 ... normal C conventions. rax is passed from C. */ 	
-	.macro thunk_retrax name,func
-	.globl \name
-\name:	
-	CFI_STARTPROC
-	SAVE_ARGS
-	call \func
-	jmp  restore_norax
-	CFI_ENDPROC
-	.endm
-	
-
-	.section .sched.text, "ax"
-#ifdef CONFIG_RWSEM_XCHGADD_ALGORITHM
-	thunk rwsem_down_read_failed_thunk,rwsem_down_read_failed
-	thunk rwsem_down_write_failed_thunk,rwsem_down_write_failed
-	thunk rwsem_wake_thunk,rwsem_wake
-	thunk rwsem_downgrade_thunk,rwsem_downgrade_wake
-#endif	
-	
 #ifdef CONFIG_TRACE_IRQFLAGS
 	/* put return address in rdi (arg1) */
 	.macro thunk_ra name,func
@@ -72,10 +52,3 @@ restore:
 	RESTORE_ARGS
 	ret	
 	CFI_ENDPROC
-	
-	CFI_STARTPROC
-	SAVE_ARGS
-restore_norax:	
-	RESTORE_ARGS 1
-	ret
-	CFI_ENDPROC
--
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