Merge tag 'v4.6-rc1' into for-linus-4.6

Linux 4.6-rc1

* tag 'v4.6-rc1': (12823 commits)
  Linux 4.6-rc1
  f2fs/crypto: fix xts_tweak initialization
  NTB: Remove _addr functions from ntb_hw_amd
  orangefs: fix orangefs_superblock locking
  orangefs: fix do_readv_writev() handling of error halfway through
  orangefs: have ->kill_sb() evict the VFS side of things first
  orangefs: sanitize ->llseek()
  orangefs-bufmap.h: trim unused junk
  orangefs: saner calling conventions for getting a slot
  orangefs_copy_{to,from}_bufmap(): don't pass bufmap pointer
  orangefs: get rid of readdir_handle_s
  thp: fix typo in khugepaged_scan_pmd()
  MAINTAINERS: fill entries for KASAN
  mm/filemap: generic_file_read_iter(): check for zero reads unconditionally
  kasan: test fix: warn if the UAF could not be detected in kmalloc_uaf2
  mm, kasan: stackdepot implementation. Enable stackdepot for SLAB
  arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections
  mm, kasan: add GFP flags to KASAN API
  mm, kasan: SLAB support
  kasan: modify kmalloc_large_oob_right(), add kmalloc_pagealloc_oob_right()
  ...

1 files changed, 16 insertions, 10 deletions

diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index de6be008fc01..38e7860845db 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -22,6 +22,7 @@
 #include <linux/interrupt.h>
 #include <linux/sched.h>
 #include <linux/atomic.h>
+#include <linux/clockchips.h>
 #include <asm/processor.h>
 #include <asm/mmu_context.h>
 #include <asm/smp.h>
@@ -141,16 +142,13 @@ int __cpu_disable(void)
 	migrate_irqs();
 
 	/*
-	 * Stop the local timer for this CPU.
-	 */
-	local_timer_stop(cpu);
-
-	/*
 	 * Flush user cache and TLB mappings, and then remove this CPU
 	 * from the vm mask set of all processes.
 	 */
 	flush_cache_all();
+#ifdef CONFIG_MMU
 	local_flush_tlb_all();
+#endif
 
 	clear_tasks_mm_cpumask(cpu);
 
@@ -183,8 +181,10 @@ asmlinkage void start_secondary(void)
 	atomic_inc(&mm->mm_count);
 	atomic_inc(&mm->mm_users);
 	current->active_mm = mm;
+#ifdef CONFIG_MMU
 	enter_lazy_tlb(mm, current);
 	local_flush_tlb_all();
+#endif
 
 	per_cpu_trap_init();
 
@@ -194,8 +194,6 @@ asmlinkage void start_secondary(void)
 
 	local_irq_enable();
 
-	/* Enable local timers */
-	local_timer_setup(cpu);
 	calibrate_delay();
 
 	smp_store_cpu_info(cpu);
@@ -203,7 +201,7 @@ asmlinkage void start_secondary(void)
 	set_cpu_online(cpu, true);
 	per_cpu(cpu_state, cpu) = CPU_ONLINE;
 
-	cpu_startup_entry(CPUHP_ONLINE);
+	cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
 }
 
 extern struct {
@@ -285,7 +283,8 @@ void arch_send_call_function_single_ipi(int cpu)
 	mp_ops->send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE);
 }
 
-void smp_timer_broadcast(const struct cpumask *mask)
+#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
+void tick_broadcast(const struct cpumask *mask)
 {
 	int cpu;
 
@@ -296,9 +295,10 @@ void smp_timer_broadcast(const struct cpumask *mask)
 static void ipi_timer(void)
 {
 	irq_enter();
-	local_timer_interrupt();
+	tick_receive_broadcast();
 	irq_exit();
 }
+#endif
 
 void smp_message_recv(unsigned int msg)
 {
@@ -312,9 +312,11 @@ void smp_message_recv(unsigned int msg)
 	case SMP_MSG_FUNCTION_SINGLE:
 		generic_smp_call_function_single_interrupt();
 		break;
+#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
 	case SMP_MSG_TIMER:
 		ipi_timer();
 		break;
+#endif
 	default:
 		printk(KERN_WARNING "SMP %d: %s(): unknown IPI %d\n",
 		       smp_processor_id(), __func__, msg);
@@ -328,6 +330,8 @@ int setup_profiling_timer(unsigned int multiplier)
 	return 0;
 }
 
+#ifdef CONFIG_MMU
+
 static void flush_tlb_all_ipi(void *info)
 {
 	local_flush_tlb_all();
@@ -467,3 +471,5 @@ void flush_tlb_one(unsigned long asid, unsigned long vaddr)
 	smp_call_function(flush_tlb_one_ipi, (void *)&fd, 1);
 	local_flush_tlb_one(asid, vaddr);
 }
+
+#endif