---

yaml
---
r: 257226
b: refs/heads/master
c: 38e6b75
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 838feb47549a9b73534c6c1d7da4a9639a0750f4
+refs/heads/master: 38e6b75d3b6f4b9445eb6486e28fc716acda44ae

trunk/arch/x86/lib/thunk_64.S

@@ -5,50 +5,42 @@
  * Added trace_hardirqs callers - Copyright 2007 Steven Rostedt, Red Hat, Inc.
  * Subject to the GNU public license, v.2. No warranty of any kind.
  */
+#include <linux/linkage.h>
+#include <asm/dwarf2.h>
+#include <asm/calling.h>
+#include <asm/rwlock.h>
 
-	#include <linux/linkage.h>
-	#include <asm/dwarf2.h>
-	#include <asm/calling.h>			
-	#include <asm/rwlock.h>
-
-	/* rdi:	arg1 ... normal C conventions. rax is saved/restored. */ 	
-	.macro thunk name,func
-	.globl \name
-\name:	
-	CFI_STARTPROC
-	SAVE_ARGS
-	call \func
-	jmp  restore
-	CFI_ENDPROC
-	.endm
-
-#ifdef CONFIG_TRACE_IRQFLAGS
-	/* put return address in rdi (arg1) */
-	.macro thunk_ra name,func
+	/* rdi:	arg1 ... normal C conventions. rax is saved/restored. */
+	.macro THUNK name, func, put_ret_addr_in_rdi=0
 	.globl \name
 \name:
 	CFI_STARTPROC
+
+	/* this one pushes 9 elems, the next one would be %rIP */
 	SAVE_ARGS
-	/* SAVE_ARGS pushs 9 elements */
-	/* the next element would be the rip */
-	movq 9*8(%rsp), %rdi
+
+	.if \put_ret_addr_in_rdi
+	movq_cfi_restore 9*8, rdi
+	.endif
+
 	call \func
 	jmp  restore
 	CFI_ENDPROC
 	.endm
 
-	thunk_ra trace_hardirqs_on_thunk,trace_hardirqs_on_caller
-	thunk_ra trace_hardirqs_off_thunk,trace_hardirqs_off_caller
+#ifdef CONFIG_TRACE_IRQFLAGS
+	THUNK trace_hardirqs_on_thunk,trace_hardirqs_on_caller,1
+	THUNK trace_hardirqs_off_thunk,trace_hardirqs_off_caller,1
 #endif
 
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
-	thunk lockdep_sys_exit_thunk,lockdep_sys_exit
+	THUNK lockdep_sys_exit_thunk,lockdep_sys_exit
 #endif
-	
+
 	/* SAVE_ARGS below is used only for the .cfi directives it contains. */
 	CFI_STARTPROC
 	SAVE_ARGS
 restore:
 	RESTORE_ARGS
-	ret	
+	ret
 	CFI_ENDPROC