xenoprof: Adjust indentation

Bring indentation into Xen hypervisor standard coding style.

No functional changes.

Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>


diff -r 9cdcedc133e5 -r f6953e89913f xen/arch/x86/oprofile/backtrace.c
--- a/xen/arch/x86/oprofile/backtrace.c	Wed Jan 11 10:34:45 2012 +0100
+++ b/xen/arch/x86/oprofile/backtrace.c	Wed Jan 18 17:23:02 2012 +0000
@@ -16,48 +16,48 @@
 #include<asm/guest_access.h>
 
 struct frame_head {
-	struct frame_head * ebp;
-	unsigned long ret;
+    struct frame_head * ebp;
+    unsigned long ret;
 } __attribute__((packed));
 
 static struct frame_head *
 dump_hypervisor_backtrace(struct domain *d, struct vcpu *vcpu, 
 			  struct frame_head * head, int mode)
 {
-	if (!xenoprof_add_trace(d, vcpu, head->ret, mode))
-		return 0;
-
-	/* frame pointers should strictly progress back up the stack
-	 * (towards higher addresses) */
-	if (head >= head->ebp)
-		return NULL;
-
-	return head->ebp;
+    if (!xenoprof_add_trace(d, vcpu, head->ret, mode))
+        return 0;
+    
+    /* frame pointers should strictly progress back up the stack
+     * (towards higher addresses) */
+    if (head >= head->ebp)
+        return NULL;
+    
+    return head->ebp;
 }
 
 static struct frame_head *
 dump_guest_backtrace(struct domain *d, struct vcpu *vcpu, 
 		     struct frame_head * head, int mode)
 {
-	struct frame_head bufhead[2];
-	XEN_GUEST_HANDLE(char) guest_head = guest_handle_from_ptr(head, char);
+    struct frame_head bufhead[2];
+    XEN_GUEST_HANDLE(char) guest_head = guest_handle_from_ptr(head, char);
 	
-	/* Also check accessibility of one struct frame_head beyond */
-	if (!guest_handle_okay(guest_head, sizeof(bufhead)))
-		return 0;
-	if (__copy_from_guest_offset((char *)bufhead, guest_head, 0, 
-	    sizeof(bufhead)))
-		return 0;
-
-	if (!xenoprof_add_trace(d, vcpu, bufhead[0].ret, mode))
-	    return 0;
-
-	/* frame pointers should strictly progress back up the stack
-	 * (towards higher addresses) */
-	if (head >= bufhead[0].ebp)
-		return NULL;
-
-	return bufhead[0].ebp;
+    /* Also check accessibility of one struct frame_head beyond */
+    if (!guest_handle_okay(guest_head, sizeof(bufhead)))
+        return 0;
+    if (__copy_from_guest_offset((char *)bufhead, guest_head, 0, 
+                                 sizeof(bufhead)))
+        return 0;
+    
+    if (!xenoprof_add_trace(d, vcpu, bufhead[0].ret, mode))
+        return 0;
+    
+    /* frame pointers should strictly progress back up the stack
+     * (towards higher addresses) */
+    if (head >= bufhead[0].ebp)
+        return NULL;
+    
+    return bufhead[0].ebp;
 }
 
 /*
@@ -94,22 +94,22 @@ dump_guest_backtrace(struct domain *d, s
 static int valid_hypervisor_stack(struct frame_head * head, 
 				  struct cpu_user_regs * regs)
 {
-	unsigned long headaddr = (unsigned long)head;
+    unsigned long headaddr = (unsigned long)head;
 #ifdef CONFIG_X86_64
-	unsigned long stack = (unsigned long)regs->rsp;
+    unsigned long stack = (unsigned long)regs->rsp;
 #else
-	unsigned long stack = (unsigned long)regs;
+    unsigned long stack = (unsigned long)regs;
 #endif
-	unsigned long stack_base = (stack & ~(STACK_SIZE - 1)) + STACK_SIZE;
+    unsigned long stack_base = (stack & ~(STACK_SIZE - 1)) + STACK_SIZE;
 
-	return headaddr > stack && headaddr < stack_base;
+    return headaddr > stack && headaddr < stack_base;
 }
 #else
 /* without fp, it's just junk */
 static int valid_hypervisor_stack(struct frame_head * head, 
 				  struct cpu_user_regs * regs)
 {
-	return 0;
+    return 0;
 }
 #endif
 
@@ -117,16 +117,16 @@ void xenoprof_backtrace(struct domain *d
 			struct cpu_user_regs * const regs,
 			unsigned long depth, int mode)
 {
-	struct frame_head *head;
+    struct frame_head *head;
 
-	head = (struct frame_head *)regs->ebp;
+    head = (struct frame_head *)regs->ebp;
 
-	if (mode > 1) {
-		while (depth-- && valid_hypervisor_stack(head, regs))
-		    head = dump_hypervisor_backtrace(d, vcpu, head, mode);
-		return;
-	}
+    if (mode > 1) {
+        while (depth-- && valid_hypervisor_stack(head, regs))
+            head = dump_hypervisor_backtrace(d, vcpu, head, mode);
+        return;
+    }
 
-	while (depth-- && head)
-	    head = dump_guest_backtrace(d, vcpu, head, mode);
+    while (depth-- && head)
+        head = dump_guest_backtrace(d, vcpu, head, mode);
 }