6 files changed, 34 insertions, 28 deletions

diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
index a6292f8ed180..bd48575172c3 100644
--- a/arch/sparc/kernel/led.c
+++ b/arch/sparc/kernel/led.c
@@ -104,13 +104,12 @@ static ssize_t led_proc_write(struct file *file, const char __user *buffer,
 	return count;
 }
 
-static const struct file_operations led_proc_fops = {
-	.owner		= THIS_MODULE,
-	.open		= led_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-	.write		= led_proc_write,
+static const struct proc_ops led_proc_ops = {
+	.proc_open	= led_proc_open,
+	.proc_read	= seq_read,
+	.proc_lseek	= seq_lseek,
+	.proc_release	= single_release,
+	.proc_write	= led_proc_write,
 };
 
 static struct proc_dir_entry *led;
@@ -121,7 +120,7 @@ static int __init led_init(void)
 {
 	timer_setup(&led_blink_timer, led_blink, 0);
 
-	led = proc_create("led", 0, NULL, &led_proc_fops);
+	led = proc_create("led", 0, NULL, &led_proc_ops);
 	if (!led)
 		return -ENOMEM;
 
diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c
index ec244d1022ce..da8902295c8c 100644
--- a/arch/sparc/kernel/prom_32.c
+++ b/arch/sparc/kernel/prom_32.c
@@ -132,12 +132,13 @@ static void __init ebus_path_component(struct device_node *dp, char *tmp_buf)
 		regs->which_io, regs->phys_addr);
 }
 
-/* "name:vendor:device@irq,addrlo" */
+/* "name@irq,addrlo" */
 static void __init ambapp_path_component(struct device_node *dp, char *tmp_buf)
 {
 	const char *name = of_get_property(dp, "name", NULL);
 	struct amba_prom_registers *regs;
-	unsigned int *intr, *device, *vendor, reg0;
+	unsigned int *intr;
+	unsigned int reg0;
 	struct property *prop;
 	int interrupt = 0;
 
@@ -159,18 +160,7 @@ static void __init ambapp_path_component(struct device_node *dp, char *tmp_buf)
 	else
 		intr = prop->value;
 
-	prop = of_find_property(dp, "vendor", NULL);
-	if (!prop)
-		return;
-	vendor = prop->value;
-	prop = of_find_property(dp, "device", NULL);
-	if (!prop)
-		return;
-	device = prop->value;
-
-	sprintf(tmp_buf, "%s:%d:%d@%x,%x",
-		name, *vendor, *device,
-		*intr, reg0);
+	sprintf(tmp_buf, "%s@%x,%x", name, *intr, reg0);
 }
 
 static void __init __build_path_component(struct device_node *dp, char *tmp_buf)
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index a237810aa9f4..2a734ecd0a40 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -299,6 +299,7 @@ static void flush_signal_insns(unsigned long address)
 	unsigned long pstate, paddr;
 	pte_t *ptep, pte;
 	pgd_t *pgdp;
+	p4d_t *p4dp;
 	pud_t *pudp;
 	pmd_t *pmdp;
 
@@ -318,7 +319,10 @@ static void flush_signal_insns(unsigned long address)
 	pgdp = pgd_offset(current->mm, address);
 	if (pgd_none(*pgdp))
 		goto out_irqs_on;
-	pudp = pud_offset(pgdp, address);
+	p4dp = p4d_offset(pgdp, address);
+	if (p4d_none(*p4dp))
+		goto out_irqs_on;
+	pudp = pud_offset(p4dp, address);
 	if (pud_none(*pudp))
 		goto out_irqs_on;
 	pmdp = pmd_offset(pudp, address);
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 9b4506373353..80f20b3808ee 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1621,6 +1621,7 @@ static int __init pcpu_cpu_distance(unsigned int from, unsigned int to)
 static void __init pcpu_populate_pte(unsigned long addr)
 {
 	pgd_t *pgd = pgd_offset_k(addr);
+	p4d_t *p4d;
 	pud_t *pud;
 	pmd_t *pmd;
 
@@ -1633,7 +1634,17 @@ static void __init pcpu_populate_pte(unsigned long addr)
 		pgd_populate(&init_mm, pgd, new);
 	}
 
-	pud = pud_offset(pgd, addr);
+	p4d = p4d_offset(pgd, addr);
+	if (p4d_none(*p4d)) {
+		pud_t *new;
+
+		new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE);
+		if (!new)
+			goto err_alloc;
+		p4d_populate(&init_mm, p4d, new);
+	}
+
+	pud = pud_offset(p4d, addr);
 	if (pud_none(*pud)) {
 		pmd_t *new;
 
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index 34917617f258..6b92fadb6ec7 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -551,7 +551,7 @@ out_unlock:
 SYSCALL_DEFINE1(sparc_adjtimex, struct __kernel_timex __user *, txc_p)
 {
 	struct __kernel_timex txc;
-	struct __kernel_old_timeval *tv = (void *)&txc_p->time;
+	struct __kernel_old_timeval *tv = (void *)&txc.time;
 	int ret;
 
 	/* Copy the user data space into the kernel copy
@@ -576,7 +576,7 @@ SYSCALL_DEFINE2(sparc_clock_adjtime, const clockid_t, which_clock,
 		struct __kernel_timex __user *, txc_p)
 {
 	struct __kernel_timex txc;
-	struct __kernel_old_timeval *tv = (void *)&txc_p->time;
+	struct __kernel_old_timeval *tv = (void *)&txc.time;
 	int ret;
 
 	if (!IS_ENABLED(CONFIG_POSIX_TIMERS)) {
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index 7ec79918b566..f99e99e58075 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -171,12 +171,14 @@ SECTIONS
 	}
 	PERCPU_SECTION(SMP_CACHE_BYTES)
 
-#ifdef CONFIG_JUMP_LABEL
 	. = ALIGN(PAGE_SIZE);
 	.exit.text : {
 		EXIT_TEXT
 	}
-#endif
+
+	.exit.data : {
+		EXIT_DATA
+	}
 
 	. = ALIGN(PAGE_SIZE);
 	__init_end = .;