7 files changed, 32 insertions, 24 deletions
diff --git a/arch/arm/kernel/crunch.c b/arch/arm/kernel/crunch.c
index 769abe1..25ef223 100644
--- a/arch/arm/kernel/crunch.c
+++ b/arch/arm/kernel/crunch.c
@@ -51,7 +51,7 @@ static int crunch_do(struct notifier_block *self, unsigned long cmd, void *t)
 		 * initialised state information on the first fault.
 		 */
 
-	case THREAD_NOTIFY_RELEASE:
+	case THREAD_NOTIFY_EXIT:
 		crunch_task_release(thread);
 		break;
 
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index b121b60..5c91add 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -49,6 +49,26 @@
 1002:
 		.endm
 
+#elif defined(CONFIG_CPU_V7)
+
+		.macro	addruart, rx
+		.endm
+
+		.macro	senduart, rd, rx
+		mcr	p14, 0, \rd, c0, c5, 0
+		.endm
+
+		.macro	busyuart, rd, rx
+busy:		mrc	p14, 0, pc, c0, c1, 0
+		bcs	busy
+		.endm
+
+		.macro	waituart, rd, rx
+wait:		mrc	p14, 0, pc, c0, c1, 0
+		bcs	wait
+
+		.endm
+
 #elif defined(CONFIG_CPU_XSCALE)
 
 		.macro	addruart, rx
diff --git a/arch/arm/kernel/dma-isa.c b/arch/arm/kernel/dma-isa.c
index 0e88e46..360bb6d 100644
--- a/arch/arm/kernel/dma-isa.c
+++ b/arch/arm/kernel/dma-isa.c
@@ -207,8 +207,6 @@ void __init isa_init_dma(void)
 		outb(0x32, 0x4d6);
 		outb(0x33, 0x4d6);
 
-		request_dma(DMA_ISA_CASCADE, "cascade");
-
 		for (i = 0; i < ARRAY_SIZE(dma_resources); i++)
 			request_resource(&ioport_resource, dma_resources + i);
 
@@ -218,5 +216,7 @@ void __init isa_init_dma(void)
 				printk(KERN_ERR "ISADMA%u: unable to register: %d\n",
 					chan, ret);
 		}
+
+		request_dma(DMA_ISA_CASCADE, "cascade");
 	}
 }
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c
index 950391f..d4a0da1 100644
--- a/arch/arm/kernel/elf.c
+++ b/arch/arm/kernel/elf.c
@@ -78,15 +78,6 @@ int arm_elf_read_implies_exec(const struct elf32_hdr *x, int executable_stack)
 		return 1;
 	if (cpu_architecture() < CPU_ARCH_ARMv6)
 		return 1;
-#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
-	/*
-	 * If we have support for OABI programs, we can never allow NX
-	 * support - our signal syscall restart mechanism relies upon
-	 * being able to execute code placed on the user stack.
-	 */
-	return 1;
-#else
 	return 0;
-#endif
 }
 EXPORT_SYMBOL(arm_elf_read_implies_exec);
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index d2903e3..6c5cf36 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -957,9 +957,7 @@ kuser_cmpxchg_fixup:
 
 #else
 
-#ifdef CONFIG_SMP
-	mcr	p15, 0, r0, c7, c10, 5	@ dmb
-#endif
+	smp_dmb
 1:	ldrex	r3, [r2]
 	subs	r3, r3, r0
 	strexeq	r3, r1, [r2]
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 0d96d01..ba2adef 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -212,7 +212,8 @@ void __show_regs(struct pt_regs *regs)
 	char buf[64];
 
 	printk("CPU: %d    %s  (%s %.*s)\n",
-		smp_processor_id(), print_tainted(), init_utsname()->release,
+		raw_smp_processor_id(), print_tainted(),
+		init_utsname()->release,
 		(int)strcspn(init_utsname()->version, " "),
 		init_utsname()->version);
 	print_symbol("PC is at %s\n", instruction_pointer(regs));
@@ -274,17 +275,18 @@ void show_regs(struct pt_regs * regs)
 	__backtrace();
 }
 
+ATOMIC_NOTIFIER_HEAD(thread_notify_head);
+
+EXPORT_SYMBOL_GPL(thread_notify_head);
+
 /*
  * Free current thread data structures etc..
  */
 void exit_thread(void)
 {
+	thread_notify(THREAD_NOTIFY_EXIT, current_thread_info());
 }
 
-ATOMIC_NOTIFIER_HEAD(thread_notify_head);
-
-EXPORT_SYMBOL_GPL(thread_notify_head);
-
 void flush_thread(void)
 {
 	struct thread_info *thread = current_thread_info();
@@ -299,9 +301,6 @@ void flush_thread(void)
 
 void release_thread(struct task_struct *dead_task)
 {
-	struct thread_info *thread = task_thread_info(dead_task);
-
-	thread_notify(THREAD_NOTIFY_RELEASE, thread);
 }
 
 asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
diff --git a/arch/arm/kernel/xscale-cp0.c b/arch/arm/kernel/xscale-cp0.c
index 17127db..1796157 100644
--- a/arch/arm/kernel/xscale-cp0.c
+++ b/arch/arm/kernel/xscale-cp0.c
@@ -70,7 +70,7 @@ static int iwmmxt_do(struct notifier_block *self, unsigned long cmd, void *t)
 		 * initialised state information on the first fault.
 		 */
 
-	case THREAD_NOTIFY_RELEASE:
+	case THREAD_NOTIFY_EXIT:
 		iwmmxt_task_release(thread);
 		break;