xen: whitespace/checkpatch cleanup

Impact: cleanup
Signed-off-by: NTej <bewith.tej@gmail.com>
Signed-off-by: NJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/xen/enlighten.c

@@ -793,7 +793,7 @@ static int xen_write_msr_safe(unsigned int msr, unsigned low, unsigned high)
 
 	ret = 0;
 
-	switch(msr) {
+	switch (msr) {
 #ifdef CONFIG_X86_64
 		unsigned which;
 		u64 base;
@@ -1453,7 +1453,7 @@ static __init void xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn)
 
 	ident_pte = 0;
 	pfn = 0;
-	for(pmdidx = 0; pmdidx < PTRS_PER_PMD && pfn < max_pfn; pmdidx++) {
+	for (pmdidx = 0; pmdidx < PTRS_PER_PMD && pfn < max_pfn; pmdidx++) {
 		pte_t *pte_page;
 
 		/* Reuse or allocate a page of ptes */
@@ -1471,7 +1471,7 @@ static __init void xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn)
 		}
 
 		/* Install mappings */
-		for(pteidx = 0; pteidx < PTRS_PER_PTE; pteidx++, pfn++) {
+		for (pteidx = 0; pteidx < PTRS_PER_PTE; pteidx++, pfn++) {
 			pte_t pte;
 
 			if (pfn > max_pfn_mapped)
@@ -1485,7 +1485,7 @@ static __init void xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn)
 		}
 	}
 
-	for(pteidx = 0; pteidx < ident_pte; pteidx += PTRS_PER_PTE)
+	for (pteidx = 0; pteidx < ident_pte; pteidx += PTRS_PER_PTE)
 		set_page_prot(&level1_ident_pgt[pteidx], PAGE_KERNEL_RO);
 
 	set_page_prot(pmd, PAGE_KERNEL_RO);
@@ -1499,7 +1499,7 @@ static void convert_pfn_mfn(void *v)
 
 	/* All levels are converted the same way, so just treat them
 	   as ptes. */
-	for(i = 0; i < PTRS_PER_PTE; i++)
+	for (i = 0; i < PTRS_PER_PTE; i++)
 		pte[i] = xen_make_pte(pte[i].pte);
 }
 
@@ -1514,7 +1514,8 @@ static void convert_pfn_mfn(void *v)
  * of the physical mapping once some sort of allocator has been set
  * up.
  */
-static __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn)
+static __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd,
+						unsigned long max_pfn)
 {
 	pud_t *l3;
 	pmd_t *l2;
@@ -1577,7 +1578,8 @@ static __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pf
 #else	/* !CONFIG_X86_64 */
 static pmd_t level2_kernel_pgt[PTRS_PER_PMD] __page_aligned_bss;
 
-static __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn)
+static __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd,
+						unsigned long max_pfn)
 {
 	pmd_t *kernel_pmd;
 

arch/x86/xen/mmu.c

@@ -154,13 +154,13 @@ void xen_setup_mfn_list_list(void)
 {
 	unsigned pfn, idx;
 
-	for(pfn = 0; pfn < MAX_DOMAIN_PAGES; pfn += P2M_ENTRIES_PER_PAGE) {
+	for (pfn = 0; pfn < MAX_DOMAIN_PAGES; pfn += P2M_ENTRIES_PER_PAGE) {
 		unsigned topidx = p2m_top_index(pfn);
 
 		p2m_top_mfn[topidx] = virt_to_mfn(p2m_top[topidx]);
 	}
 
-	for(idx = 0; idx < ARRAY_SIZE(p2m_top_mfn_list); idx++) {
+	for (idx = 0; idx < ARRAY_SIZE(p2m_top_mfn_list); idx++) {
 		unsigned topidx = idx * P2M_ENTRIES_PER_PAGE;
 		p2m_top_mfn_list[idx] = virt_to_mfn(&p2m_top_mfn[topidx]);
 	}
@@ -179,7 +179,7 @@ void __init xen_build_dynamic_phys_to_machine(void)
 	unsigned long max_pfn = min(MAX_DOMAIN_PAGES, xen_start_info->nr_pages);
 	unsigned pfn;
 
-	for(pfn = 0; pfn < max_pfn; pfn += P2M_ENTRIES_PER_PAGE) {
+	for (pfn = 0; pfn < max_pfn; pfn += P2M_ENTRIES_PER_PAGE) {
 		unsigned topidx = p2m_top_index(pfn);
 
 		p2m_top[topidx] = &mfn_list[pfn];
@@ -207,7 +207,7 @@ static void alloc_p2m(unsigned long **pp, unsigned long *mfnp)
 	p = (void *)__get_free_page(GFP_KERNEL | __GFP_NOFAIL);
 	BUG_ON(p == NULL);
 
-	for(i = 0; i < P2M_ENTRIES_PER_PAGE; i++)
+	for (i = 0; i < P2M_ENTRIES_PER_PAGE; i++)
 		p[i] = INVALID_P2M_ENTRY;
 
 	if (cmpxchg(pp, p2m_missing, p) != p2m_missing)
@@ -407,7 +407,8 @@ void xen_set_pte_at(struct mm_struct *mm, unsigned long addr,
 		preempt_enable();
 }
 
-pte_t xen_ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
+pte_t xen_ptep_modify_prot_start(struct mm_struct *mm,
+				 unsigned long addr, pte_t *ptep)
 {
 	/* Just return the pte as-is.  We preserve the bits on commit */
 	return *ptep;
@@ -878,7 +879,8 @@ static void __xen_pgd_pin(struct mm_struct *mm, pgd_t *pgd)
 
 		if (user_pgd) {
 			xen_pin_page(mm, virt_to_page(user_pgd), PT_PGD);
-			xen_do_pin(MMUEXT_PIN_L4_TABLE, PFN_DOWN(__pa(user_pgd)));
+			xen_do_pin(MMUEXT_PIN_L4_TABLE,
+				   PFN_DOWN(__pa(user_pgd)));
 		}
 	}
 #else /* CONFIG_X86_32 */
@@ -993,7 +995,8 @@ static void __xen_pgd_unpin(struct mm_struct *mm, pgd_t *pgd)
 		pgd_t *user_pgd = xen_get_user_pgd(pgd);
 
 		if (user_pgd) {
-			xen_do_pin(MMUEXT_UNPIN_TABLE, PFN_DOWN(__pa(user_pgd)));
+			xen_do_pin(MMUEXT_UNPIN_TABLE,
+				   PFN_DOWN(__pa(user_pgd)));
 			xen_unpin_page(mm, virt_to_page(user_pgd), PT_PGD);
 		}
 	}

arch/x86/xen/multicalls.c

@@ -154,7 +154,7 @@ void xen_mc_flush(void)
 			       ret, smp_processor_id());
 			dump_stack();
 			for (i = 0; i < b->mcidx; i++) {
-				printk("  call %2d/%d: op=%lu arg=[%lx] result=%ld\n",
+				printk(KERN_DEBUG "  call %2d/%d: op=%lu arg=[%lx] result=%ld\n",
 				       i+1, b->mcidx,
 				       b->debug[i].op,
 				       b->debug[i].args[0],

arch/x86/xen/setup.c

@@ -28,6 +28,9 @@
 /* These are code, but not functions.  Defined in entry.S */
 extern const char xen_hypervisor_callback[];
 extern const char xen_failsafe_callback[];
+extern void xen_sysenter_target(void);
+extern void xen_syscall_target(void);
+extern void xen_syscall32_target(void);
 
 
 /**
@@ -110,7 +113,6 @@ static __cpuinit int register_callback(unsigned type, const void *func)
 
 void __cpuinit xen_enable_sysenter(void)
 {
-	extern void xen_sysenter_target(void);
 	int ret;
 	unsigned sysenter_feature;
 
@@ -132,8 +134,6 @@ void __cpuinit xen_enable_syscall(void)
 {
 #ifdef CONFIG_X86_64
 	int ret;
-	extern void xen_syscall_target(void);
-	extern void xen_syscall32_target(void);
 
 	ret = register_callback(CALLBACKTYPE_syscall, xen_syscall_target);
 	if (ret != 0) {
@@ -160,7 +160,8 @@ void __init xen_arch_setup(void)
 	HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_writable_pagetables);
 
 	if (!xen_feature(XENFEAT_auto_translated_physmap))
-		HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_pae_extended_cr3);
+		HYPERVISOR_vm_assist(VMASST_CMD_enable,
+				     VMASST_TYPE_pae_extended_cr3);
 
 	if (register_callback(CALLBACKTYPE_event, xen_hypervisor_callback) ||
 	    register_callback(CALLBACKTYPE_failsafe, xen_failsafe_callback))