25 files changed, 57 insertions, 44 deletions

diff --git a/arch/sparc/kernel/asm-offsets.c b/arch/sparc/kernel/asm-offsets.c
index f76389a32342..3f09e1c83f58 100644
--- a/arch/sparc/kernel/asm-offsets.c
+++ b/arch/sparc/kernel/asm-offsets.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/sched.h>
+#include <linux/mm_types.h>
 // #include <linux/mm.h>
 #include <linux/kbuild.h>
 
diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c
index f87a55d77094..b542cc7c8d94 100644
--- a/arch/sparc/kernel/ds.c
+++ b/arch/sparc/kernel/ds.c
@@ -9,6 +9,7 @@
 #include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
+#include <linux/sched/clock.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/kthread.h>
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 9df997995f6b..c63ba99ca551 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -741,7 +741,7 @@ static void dma_4u_sync_sg_for_cpu(struct device *dev,
 	spin_unlock_irqrestore(&iommu->lock, flags);
 }
 
-static struct dma_map_ops sun4u_dma_ops = {
+static const struct dma_map_ops sun4u_dma_ops = {
 	.alloc			= dma_4u_alloc_coherent,
 	.free			= dma_4u_free_coherent,
 	.map_page		= dma_4u_map_page,
@@ -752,7 +752,7 @@ static struct dma_map_ops sun4u_dma_ops = {
 	.sync_sg_for_cpu	= dma_4u_sync_sg_for_cpu,
 };
 
-struct dma_map_ops *dma_ops = &sun4u_dma_ops;
+const struct dma_map_ops *dma_ops = &sun4u_dma_ops;
 EXPORT_SYMBOL(dma_ops);
 
 int dma_supported(struct device *dev, u64 device_mask)
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 6ffaec44931a..cf20033a1458 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -401,7 +401,7 @@ static void sbus_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
 	BUG();
 }
 
-static struct dma_map_ops sbus_dma_ops = {
+static const struct dma_map_ops sbus_dma_ops = {
 	.alloc			= sbus_alloc_coherent,
 	.free			= sbus_free_coherent,
 	.map_page		= sbus_map_page,
@@ -637,7 +637,7 @@ static void pci32_sync_sg_for_device(struct device *device, struct scatterlist *
 	}
 }
 
-struct dma_map_ops pci32_dma_ops = {
+const struct dma_map_ops pci32_dma_ops = {
 	.alloc			= pci32_alloc_coherent,
 	.free			= pci32_free_coherent,
 	.map_page		= pci32_map_page,
@@ -652,10 +652,10 @@ struct dma_map_ops pci32_dma_ops = {
 EXPORT_SYMBOL(pci32_dma_ops);
 
 /* leon re-uses pci32_dma_ops */
-struct dma_map_ops *leon_dma_ops = &pci32_dma_ops;
+const struct dma_map_ops *leon_dma_ops = &pci32_dma_ops;
 EXPORT_SYMBOL(leon_dma_ops);
 
-struct dma_map_ops *dma_ops = &sbus_dma_ops;
+const struct dma_map_ops *dma_ops = &sbus_dma_ops;
 EXPORT_SYMBOL(dma_ops);
 
 
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
index 3ae36f36e758..44a3ed93c214 100644
--- a/arch/sparc/kernel/led.c
+++ b/arch/sparc/kernel/led.c
@@ -8,6 +8,7 @@
 #include <linux/jiffies.h>
 #include <linux/timer.h>
 #include <linux/uaccess.h>
+#include <linux/sched/loadavg.h>
 
 #include <asm/auxio.h>
 
diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
index 71e16f2241c2..db7acf27bea2 100644
--- a/arch/sparc/kernel/leon_smp.c
+++ b/arch/sparc/kernel/leon_smp.c
@@ -9,7 +9,7 @@
 #include <asm/head.h>
 
 #include <linux/kernel.h>
-#include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/threads.h>
 #include <linux/smp.h>
 #include <linux/interrupt.h>
@@ -93,7 +93,7 @@ void leon_cpu_pre_online(void *arg)
 			     : "memory" /* paranoid */);
 
 	/* Attach to the address space of init_task. */
-	atomic_inc(&init_mm.mm_count);
+	mmgrab(&init_mm);
 	current->active_mm = &init_mm;
 
 	while (!cpumask_test_cpu(cpuid, &smp_commenced_mask))
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index f4daccd12bf5..68bec7c97cb8 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -669,7 +669,7 @@ static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist,
 	local_irq_restore(flags);
 }
 
-static struct dma_map_ops sun4v_dma_ops = {
+static const struct dma_map_ops sun4v_dma_ops = {
 	.alloc				= dma_4v_alloc_coherent,
 	.free				= dma_4v_free_coherent,
 	.map_page			= dma_4v_map_page,
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index 48ffc3e7d1dd..b6dac8e980f0 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -14,6 +14,9 @@
 #include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/sched.h>
+#include <linux/sched/debug.h>
+#include <linux/sched/task.h>
+#include <linux/sched/task_stack.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/stddef.h>
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index d249ca10b203..1badc493e62e 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -14,6 +14,9 @@
 #include <linux/errno.h>
 #include <linux/export.h>
 #include <linux/sched.h>
+#include <linux/sched/debug.h>
+#include <linux/sched/task.h>
+#include <linux/sched/task_stack.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/fs.h>
diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c
index 341129a40e94..fc5124ccdb53 100644
--- a/arch/sparc/kernel/ptrace_64.c
+++ b/arch/sparc/kernel/ptrace_64.c
@@ -12,6 +12,7 @@
 
 #include <linux/kernel.h>
 #include <linux/sched.h>
+#include <linux/sched/task_stack.h>
 #include <linux/mm.h>
 #include <linux/errno.h>
 #include <linux/export.h>
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index c4e65cb3280f..6f06058c5ae7 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -82,7 +82,7 @@ static void prom_sync_me(void)
 			     "nop\n\t" : : "r" (&trapbase));
 
 	prom_printf("PROM SYNC COMMAND...\n");
-	show_free_areas(0);
+	show_free_areas(0, NULL);
 	if (!is_idle_task(current)) {
 		local_irq_enable();
 		sys_sync();
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 0ce347f8e4cc..b3bc0ac757cc 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -5,7 +5,8 @@
 
 #include <linux/export.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
+#include <linux/sched/mm.h>
+#include <linux/sched/hotplug.h>
 #include <linux/mm.h>
 #include <linux/pagemap.h>
 #include <linux/threads.h>
@@ -122,7 +123,7 @@ void smp_callin(void)
 	current_thread_info()->new_child = 0;
 
 	/* Attach to the address space of init_task. */
-	atomic_inc(&init_mm.mm_count);
+	mmgrab(&init_mm);
 	current->active_mm = &init_mm;
 
 	/* inform the notifiers about the new cpu */
@@ -1443,6 +1444,7 @@ void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs)
 
 static void stop_this_cpu(void *dummy)
 {
+	set_cpu_online(smp_processor_id(), false);
 	prom_stopself();
 }
 
@@ -1451,9 +1453,15 @@ void smp_send_stop(void)
 	int cpu;
 
 	if (tlb_type == hypervisor) {
+		int this_cpu = smp_processor_id();
+#ifdef CONFIG_SERIAL_SUNHV
+		sunhv_migrate_hvcons_irq(this_cpu);
+#endif
 		for_each_online_cpu(cpu) {
-			if (cpu == smp_processor_id())
+			if (cpu == this_cpu)
 				continue;
+
+			set_cpu_online(cpu, false);
 #ifdef CONFIG_SUN_LDOMS
 			if (ldom_domaining_enabled) {
 				unsigned long hv_err;
diff --git a/arch/sparc/kernel/stacktrace.c b/arch/sparc/kernel/stacktrace.c
index e78386a0029f..be4c14cccc05 100644
--- a/arch/sparc/kernel/stacktrace.c
+++ b/arch/sparc/kernel/stacktrace.c
@@ -1,4 +1,5 @@
 #include <linux/sched.h>
+#include <linux/sched/debug.h>
 #include <linux/stacktrace.h>
 #include <linux/thread_info.h>
 #include <linux/ftrace.h>
diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index 9d98e5002a09..af93b50e3ce4 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -10,7 +10,7 @@
 #include <linux/interrupt.h>
 #include <linux/profile.h>
 #include <linux/delay.h>
-#include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/cpu.h>
 
 #include <asm/cacheflush.h>
@@ -93,7 +93,7 @@ void sun4d_cpu_pre_online(void *arg)
 	show_leds(cpuid);
 
 	/* Attach to the address space of init_task. */
-	atomic_inc(&init_mm.mm_count);
+	mmgrab(&init_mm);
 	current->active_mm = &init_mm;
 
 	local_ops->cache_all();
diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c
index da737c712fa8..aa84da0b2d30 100644
--- a/arch/sparc/kernel/sun4m_irq.c
+++ b/arch/sparc/kernel/sun4m_irq.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/slab.h>
+#include <linux/sched/debug.h>
 
 #include <asm/timer.h>
 #include <asm/traps.h>
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c
index 278c40abce82..5547fcb1d72d 100644
--- a/arch/sparc/kernel/sun4m_smp.c
+++ b/arch/sparc/kernel/sun4m_smp.c
@@ -8,7 +8,7 @@
 #include <linux/interrupt.h>
 #include <linux/profile.h>
 #include <linux/delay.h>
-#include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/cpu.h>
 
 #include <asm/cacheflush.h>
@@ -59,7 +59,7 @@ void sun4m_cpu_pre_online(void *arg)
 			     : "memory" /* paranoid */);
 
 	/* Attach to the address space of init_task. */
-	atomic_inc(&init_mm.mm_count);
+	mmgrab(&init_mm);
 	current->active_mm = &init_mm;
 
 	while (!cpumask_test_cpu(cpuid, &smp_commenced_mask))
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index fb7b185ee941..7aecb239626d 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -7,7 +7,9 @@
 
 #include <linux/errno.h>
 #include <linux/types.h>
-#include <linux/sched.h>
+#include <linux/sched/signal.h>
+#include <linux/sched/mm.h>
+#include <linux/sched/debug.h>
 #include <linux/mm.h>
 #include <linux/fs.h>
 #include <linux/file.h>
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index 884c70331345..ef4520efc813 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -7,7 +7,9 @@
 
 #include <linux/errno.h>
 #include <linux/types.h>
-#include <linux/sched.h>
+#include <linux/sched/signal.h>
+#include <linux/sched/mm.h>
+#include <linux/sched/debug.h>
 #include <linux/fs.h>
 #include <linux/file.h>
 #include <linux/mm.h>
diff --git a/arch/sparc/kernel/sysfs.c b/arch/sparc/kernel/sysfs.c
index 4808b6d23455..d63fc613e7a9 100644
--- a/arch/sparc/kernel/sysfs.c
+++ b/arch/sparc/kernel/sysfs.c
@@ -106,7 +106,7 @@ static unsigned long run_on_cpu(unsigned long cpu,
 	cpumask_t old_affinity;
 	unsigned long ret;
 
-	cpumask_copy(&old_affinity, tsk_cpus_allowed(current));
+	cpumask_copy(&old_affinity, &current->cpus_allowed);
 	/* should return -EINVAL to userspace */
 	if (set_cpus_allowed_ptr(current, cpumask_of(cpu)))
 		return 0;
diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c
index 4f21df7d4f13..466d4aed06c7 100644
--- a/arch/sparc/kernel/traps_32.c
+++ b/arch/sparc/kernel/traps_32.c
@@ -9,7 +9,9 @@
  * I hate traps on the sparc, grrr...
  */
 
-#include <linux/sched.h>  /* for jiffies */
+#include <linux/sched/mm.h>
+#include <linux/sched/debug.h>
+#include <linux/mm_types.h>
 #include <linux/kernel.h>
 #include <linux/signal.h>
 #include <linux/smp.h>
@@ -448,7 +450,7 @@ void trap_init(void)
 		thread_info_offsets_are_bolixed_pete();
 
 	/* Attach to the address space of init_task. */
-	atomic_inc(&init_mm.mm_count);
+	mmgrab(&init_mm);
 	current->active_mm = &init_mm;
 
 	/* NOTE: Other cpus have this done as they are started
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index dfc97a47c9a0..196ee5eb4d48 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -9,7 +9,8 @@
  */
 
 #include <linux/extable.h>
-#include <linux/sched.h>
+#include <linux/sched/mm.h>
+#include <linux/sched/debug.h>
 #include <linux/linkage.h>
 #include <linux/kernel.h>
 #include <linux/signal.h>
@@ -2837,6 +2838,6 @@ void __init trap_init(void)
 	/* Attach to the address space of init_task.  On SMP we
 	 * do this in smp.c:smp_callin for other cpus.
 	 */
-	atomic_inc(&init_mm.mm_count);
+	mmgrab(&init_mm);
 	current->active_mm = &init_mm;
 }
diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S
index d568c8207af7..10689cfd0ad4 100644
--- a/arch/sparc/kernel/tsb.S
+++ b/arch/sparc/kernel/tsb.S
@@ -117,26 +117,11 @@ tsb_miss_page_table_walk_sun4v_fastpath:
 	/* Valid PTE is now in %g5.  */
 
 #if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
-661:	sethi		%uhi(_PAGE_SZALL_4U), %g7
+	sethi		%uhi(_PAGE_PMD_HUGE), %g7
 	sllx		%g7, 32, %g7
-	.section	.sun4v_2insn_patch, "ax"
-	.word		661b
-	mov		_PAGE_SZALL_4V, %g7
-	nop
-	.previous
-
-	and		%g5, %g7, %g2
-
-661:	sethi		%uhi(_PAGE_SZHUGE_4U), %g7
-	sllx		%g7, 32, %g7
-	.section	.sun4v_2insn_patch, "ax"
-	.word		661b
-	mov		_PAGE_SZHUGE_4V, %g7
-	nop
-	.previous
 
-	cmp		%g2, %g7
-	bne,pt		%xcc, 60f
+	andcc		%g5, %g7, %g0
+	be,pt		%xcc, 60f
 	 nop
 
 	/* It is a huge page, use huge page TSB entry address we
diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c
index d20d4e3fd129..8367dce5f41b 100644
--- a/arch/sparc/kernel/unaligned_32.c
+++ b/arch/sparc/kernel/unaligned_32.c
@@ -8,7 +8,7 @@
 
 
 #include <linux/kernel.h>
-#include <linux/sched.h>
+#include <linux/sched/signal.h>
 #include <linux/mm.h>
 #include <asm/ptrace.h>
 #include <asm/processor.h>
diff --git a/arch/sparc/kernel/viohs.c b/arch/sparc/kernel/viohs.c
index 526fcb5d8ce9..b30b30ab3ddd 100644
--- a/arch/sparc/kernel/viohs.c
+++ b/arch/sparc/kernel/viohs.c
@@ -8,6 +8,7 @@
 #include <linux/string.h>
 #include <linux/delay.h>
 #include <linux/sched.h>
+#include <linux/sched/clock.h>
 #include <linux/slab.h>
 
 #include <asm/ldc.h>
diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c
index c4ac58e483a4..8f35eea2103a 100644
--- a/arch/sparc/kernel/visemul.c
+++ b/arch/sparc/kernel/visemul.c
@@ -30,7 +30,7 @@
 /* 001001011 - two 32-bit merges */
 #define FPMERGE_OPF	0x04b
 
-/* 000110001 - 8-by-16-bit partitoned product  */
+/* 000110001 - 8-by-16-bit partitioned product  */
 #define FMUL8x16_OPF	0x031
 
 /* 000110011 - 8-by-16-bit upper alpha partitioned product  */