Patchwork [1/4] powerpc: Hide some system call labels from profile tools

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Submitter Anton Blanchard
Date April 5, 2012, 4:23 a.m.
Message ID <20120405142327.6038bbb4@kryten>
Download mbox | patch
Permalink /patch/150856/
State Accepted
Commit d14299dec74a094b0f26b0893eccf8aefdfbd007
Delegated to: Benjamin Herrenschmidt
Headers show

Comments

Anton Blanchard - April 5, 2012, 4:23 a.m.
syscall_dotrace_cont and syscall_error_cont tend to complicate perf
output so make them local.

Signed-off-by: Anton Blanchard <anton@samba.org>
---

Patch

Index: linux-build/arch/powerpc/kernel/entry_64.S
===================================================================
--- linux-build.orig/arch/powerpc/kernel/entry_64.S	2012-03-22 22:41:21.209137690 +1100
+++ linux-build/arch/powerpc/kernel/entry_64.S	2012-03-22 22:47:04.479314599 +1100
@@ -154,7 +154,7 @@  END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLP
 	ld	r10,TI_FLAGS(r11)
 	andi.	r11,r10,_TIF_SYSCALL_T_OR_A
 	bne-	syscall_dotrace
-syscall_dotrace_cont:
+.Lsyscall_dotrace_cont:
 	cmpldi	0,r0,NR_syscalls
 	bge-	syscall_enosys
 
@@ -211,7 +211,7 @@  syscall_exit:
 	cmpld	r3,r11
 	ld	r5,_CCR(r1)
 	bge-	syscall_error
-syscall_error_cont:
+.Lsyscall_error_cont:
 	ld	r7,_NIP(r1)
 BEGIN_FTR_SECTION
 	stdcx.	r0,0,r1			/* to clear the reservation */
@@ -246,7 +246,7 @@  syscall_error:
 	oris	r5,r5,0x1000	/* Set SO bit in CR */
 	neg	r3,r3
 	std	r5,_CCR(r1)
-	b	syscall_error_cont
+	b	.Lsyscall_error_cont
 	
 /* Traced system call support */
 syscall_dotrace:
@@ -268,7 +268,7 @@  syscall_dotrace:
 	addi	r9,r1,STACK_FRAME_OVERHEAD
 	clrrdi	r10,r1,THREAD_SHIFT
 	ld	r10,TI_FLAGS(r10)
-	b	syscall_dotrace_cont
+	b	.Lsyscall_dotrace_cont
 
 syscall_enosys:
 	li	r3,-ENOSYS