From: Anton Blanchard <anton@samba.org>
To: benh@kernel.crashing.org, paulus@samba.org,
linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 1/4] powerpc: Hide some system call labels from profile tools
Date: Thu, 5 Apr 2012 14:23:27 +1000 [thread overview]
Message-ID: <20120405142327.6038bbb4@kryten> (raw)
syscall_dotrace_cont and syscall_error_cont tend to complicate perf
output so make them local.
Signed-off-by: Anton Blanchard <anton@samba.org>
---
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
next reply other threads:[~2012-04-05 4:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-05 4:23 Anton Blanchard [this message]
2012-04-05 4:24 ` [PATCH 2/4] powerpc: No need to save XER in a system call Anton Blanchard
2012-04-05 4:25 ` [PATCH 3/4] powerpc: Better scheduling of CR save code in system call path Anton Blanchard
2012-04-05 13:44 ` [PATCH 3/4 v2] " Anton Blanchard
2012-04-05 4:26 ` [PATCH 4/4] powerpc: No need to preserve count register across system call Anton Blanchard
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