x86: clean up formatting of __switch_to

process_64.c:__switch_to has some very old strange formatting, some of
it dating back to pre-git.  Fix it up.

No functional changes.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/process_64.c

@@ -537,8 +537,8 @@ static inline void __switch_to_xtra(struct task_struct *prev_p,
 struct task_struct *
 __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 {
-	struct thread_struct *prev = &prev_p->thread,
-				 *next = &next_p->thread;
+	struct thread_struct *prev = &prev_p->thread;
+	struct thread_struct *next = &next_p->thread;
 	int cpu = smp_processor_id();
 	struct tss_struct *tss = &per_cpu(init_tss, cpu);
 	unsigned fsindex, gsindex;
@@ -586,17 +586,17 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 
 	/* 
 	 * Switch FS and GS.
+	 *
+	 * Segment register != 0 always requires a reload.  Also
+	 * reload when it has changed.  When prev process used 64bit
+	 * base always reload to avoid an information leak.
 	 */
-	{ 
-		/* segment register != 0 always requires a reload. 
-		   also reload when it has changed. 
-		   when prev process used 64bit base always reload
-		   to avoid an information leak. */
 	if (unlikely(fsindex | next->fsindex | prev->fs)) {
 		loadsegment(fs, next->fsindex);
-			/* check if the user used a selector != 0
-	                 * if yes clear 64bit base, since overloaded base
-                         * is always mapped to the Null selector
+		/* 
+		 * Check if the user used a selector != 0; if yes
+		 *  clear 64bit base, since overloaded base is always
+		 *  mapped to the Null selector
 		 */
 		if (fsindex)
 			prev->fs = 0;				
@@ -614,7 +614,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 	if (next->gs)
 		wrmsrl(MSR_KERNEL_GS_BASE, next->gs);
 	prev->gsindex = gsindex;
-	}
 
 	/* Must be after DS reload */
 	unlazy_fpu(prev_p);
@@ -627,7 +626,8 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 	write_pda(pcurrent, next_p); 
 
 	write_pda(kernelstack,
-	(unsigned long)task_stack_page(next_p) + THREAD_SIZE - PDA_STACKOFFSET);
+		  (unsigned long)task_stack_page(next_p) +
+		  THREAD_SIZE - PDA_STACKOFFSET);
 #ifdef CONFIG_CC_STACKPROTECTOR
 	write_pda(stack_canary, next_p->stack_canary);
 	/*