5 files changed, 5 insertions, 10 deletions

diff --git a/arch/ppc/kernel/head_44x.S b/arch/ppc/kernel/head_44x.S
index 677c571aa276..0d8b88219d38 100644
--- a/arch/ppc/kernel/head_44x.S
+++ b/arch/ppc/kernel/head_44x.S
@@ -1,6 +1,4 @@
 /*
- * arch/ppc/kernel/head_44x.S
- *
  * Kernel execution entry point code.
  *
  *    Copyright (c) 1995-1996 Gary Thomas <gdt@linuxppc.org>
diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S
index c1e89ad0684d..ec53c7d65f2b 100644
--- a/arch/ppc/kernel/head_8xx.S
+++ b/arch/ppc/kernel/head_8xx.S
@@ -1,6 +1,4 @@
 /*
- *  arch/ppc/kernel/except_8xx.S
- *
  *  PowerPC version
  *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
  *  Rewritten by Cort Dougan (cort@cs.nmt.edu) for PReP
diff --git a/arch/ppc/kernel/head_fsl_booke.S b/arch/ppc/kernel/head_fsl_booke.S
index 8d60fa99fc4b..dd86bbed7627 100644
--- a/arch/ppc/kernel/head_fsl_booke.S
+++ b/arch/ppc/kernel/head_fsl_booke.S
@@ -1,6 +1,4 @@
 /*
- * arch/ppc/kernel/head_fsl_booke.S
- *
  * Kernel execution entry point code.
  *
  *    Copyright (c) 1995-1996 Gary Thomas <gdt@linuxppc.org>
@@ -316,6 +314,7 @@ skpinv:	addi	r6,r6,1				/* Increment */
          */
         lis     r2,DBCR0_IDM@h
         mtspr   SPRN_DBCR0,r2
+        isync
         /* clear any residual debug events */
         li      r2,-1
         mtspr   SPRN_DBSR,r2
@@ -1002,12 +1001,15 @@ _GLOBAL(giveup_fpu)
 _GLOBAL(abort)
         li      r13,0
         mtspr   SPRN_DBCR0,r13          /* disable all debug events */
+        isync
         mfmsr   r13
         ori     r13,r13,MSR_DE@l        /* Enable Debug Events */
         mtmsr   r13
+        isync
         mfspr   r13,SPRN_DBCR0
         lis     r13,(DBCR0_IDM|DBCR0_RST_CHIP)@h
         mtspr   SPRN_DBCR0,r13
+        isync
 
 _GLOBAL(set_context)
 
diff --git a/arch/ppc/kernel/smp-tbsync.c b/arch/ppc/kernel/smp-tbsync.c
index 2c9cd95bcea6..6a5694fcc711 100644
--- a/arch/ppc/kernel/smp-tbsync.c
+++ b/arch/ppc/kernel/smp-tbsync.c
@@ -126,8 +126,7 @@ smp_generic_give_timebase( void )
         printk("Synchronizing timebase\n");
 
         /* if this fails then this kernel won't work anyway... */
-        tbsync = kmalloc( sizeof(*tbsync), GFP_KERNEL );
-        memset( tbsync, 0, sizeof(*tbsync) );
+        tbsync = kzalloc( sizeof(*tbsync), GFP_KERNEL );
         mb();
         running = 1;
 
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index 6d0a1838d94c..1c0d68026abd 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -1,6 +1,4 @@
 /*
- *  arch/ppc/kernel/traps.c
- *
  *  Copyright (C) 1995-1996  Gary Thomas (gdt@linuxppc.org)
  *
  *  This program is free software; you can redistribute it and/or