x86: Rename pagetable_setup_start() to pagetable_init()

In preparation for unifying the pagetable_setup_start() and
pagetable_setup_done() setup functions, rename appropriately all the
infrastructure related to pagetable_setup_start().

Signed-off-by: Attilio Rao <attilio.rao@citrix.com>
Ackedd-by: <konrad.wilk@oracle.com>
Cc: <Ian.Campbell@citrix.com>
Cc: <Stefano.Stabellini@eu.citrix.com>
Cc: <xen-devel@lists.xensource.com>
Link: http://lkml.kernel.org/r/1345580561-8506-3-git-send-email-attilio.rao@citrix.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/include/asm/pgtable_types.h

@@ -303,10 +303,10 @@ void set_pte_vaddr(unsigned long vaddr, pte_t pte);
 
 extern void native_pagetable_reserve(u64 start, u64 end);
 #ifdef CONFIG_X86_32
-extern void native_pagetable_setup_start(void);
+extern void native_pagetable_init(void);
 extern void native_pagetable_setup_done(pgd_t *base);
 #else
-#define native_pagetable_setup_start x86_init_pgd_start_noop
+#define native_pagetable_init        x86_init_pgd_init_noop
 #define native_pagetable_setup_done  x86_init_pgd_done_noop
 #endif
 

arch/x86/include/asm/x86_init.h

@@ -81,11 +81,11 @@ struct x86_init_mapping {
 
 /**
  * struct x86_init_paging - platform specific paging functions
- * @pagetable_setup_start:	platform specific pre paging_init() call
+ * @pagetable_init:		platform specific paging initialization call
  * @pagetable_setup_done:	platform specific post paging_init() call
  */
 struct x86_init_paging {
-	void (*pagetable_setup_start)(void);
+	void (*pagetable_init)(void);
 	void (*pagetable_setup_done)(pgd_t *base);
 };
 

arch/x86/kernel/setup.c

@@ -961,7 +961,7 @@ void __init setup_arch(char **cmdline_p)
 	kvmclock_init();
 #endif
 
-	x86_init.paging.pagetable_setup_start();
+	x86_init.paging.pagetable_init();
 	paging_init();
 	x86_init.paging.pagetable_setup_done(swapper_pg_dir);
 

arch/x86/kernel/x86_init.c

@@ -26,7 +26,7 @@
 
 void __cpuinit x86_init_noop(void) { }
 void __init x86_init_uint_noop(unsigned int unused) { }
-void __init x86_init_pgd_start_noop(void) { }
+void __init x86_init_pgd_init_noop(void) { }
 void __init x86_init_pgd_done_noop(pgd_t *unused) { }
 int __init iommu_init_noop(void) { return 0; }
 void iommu_shutdown_noop(void) { }
@@ -69,7 +69,7 @@ struct x86_init_ops x86_init __initdata = {
 	},
 
 	.paging = {
-		.pagetable_setup_start	= native_pagetable_setup_start,
+		.pagetable_init		= native_pagetable_init,
 		.pagetable_setup_done	= native_pagetable_setup_done,
 	},
 

arch/x86/mm/init_32.c

@@ -445,7 +445,7 @@ static inline void permanent_kmaps_init(pgd_t *pgd_base)
 }
 #endif /* CONFIG_HIGHMEM */
 
-void __init native_pagetable_setup_start(void)
+void __init native_pagetable_init(void)
 {
 	unsigned long pfn, va;
 	pgd_t *pgd, *base = swapper_pg_dir;
@@ -493,7 +493,7 @@ void __init native_pagetable_setup_done(pgd_t *base)
  * If we're booting paravirtualized under a hypervisor, then there are
  * more options: we may already be running PAE, and the pagetable may
  * or may not be based in swapper_pg_dir.  In any case,
- * paravirt_pagetable_setup_start() will set up swapper_pg_dir
+ * paravirt_pagetable_init() will set up swapper_pg_dir
  * appropriately for the rest of the initialization to work.
  *
  * In general, pagetable_init() assumes that the pagetable may already

arch/x86/xen/mmu.c

@@ -1174,7 +1174,7 @@ static void xen_exit_mmap(struct mm_struct *mm)
 	spin_unlock(&mm->page_table_lock);
 }
 
-static void __init xen_pagetable_setup_start(void)
+static void __init xen_pagetable_init(void)
 {
 }
 
@@ -2068,7 +2068,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = {
 void __init xen_init_mmu_ops(void)
 {
 	x86_init.mapping.pagetable_reserve = xen_mapping_pagetable_reserve;
-	x86_init.paging.pagetable_setup_start = xen_pagetable_setup_start;
+	x86_init.paging.pagetable_init = xen_pagetable_init;
 	x86_init.paging.pagetable_setup_done = xen_pagetable_setup_done;
 	pv_mmu_ops = xen_mmu_ops;