8 files changed, 16 insertions, 23 deletions

diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 8a2a887478cc..6a2cb560e968 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -293,11 +293,9 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
                 return -ENOMEM;
         root_inode->i_op = &simple_dir_inode_operations;
         root_inode->i_fop = &simple_dir_operations;
-        sb->s_root = root_dentry = d_alloc_root(root_inode);
-        if (!root_dentry) {
-                iput(root_inode);
+        sb->s_root = root_dentry = d_make_root(root_inode);
+        if (!root_dentry)
                 return -ENOMEM;
-        }
         if (MACHINE_IS_VM)
                 rc = hypfs_vm_create_files(sb, root_dentry);
         else
diff --git a/arch/s390/include/asm/jump_label.h b/arch/s390/include/asm/jump_label.h
index 95a6cf2b5b67..6c32190dc73e 100644
--- a/arch/s390/include/asm/jump_label.h
+++ b/arch/s390/include/asm/jump_label.h
@@ -13,7 +13,7 @@
 #define ASM_ALIGN ".balign 4"
 #endif
 
-static __always_inline bool arch_static_branch(struct jump_label_key *key)
+static __always_inline bool arch_static_branch(struct static_key *key)
 {
         asm goto("0:    brcl 0,0\n"
                 ".pushsection __jump_table, \"aw\"\n"
diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
index a75f168d2718..4eb444edbe49 100644
--- a/arch/s390/include/asm/perf_event.h
+++ b/arch/s390/include/asm/perf_event.h
@@ -6,4 +6,3 @@
 
 /* Empty, just to avoid compiling error */
 
-#define PERF_EVENT_INDEX_OFFSET 0
diff --git a/arch/s390/include/asm/qeth.h b/arch/s390/include/asm/qeth.h
index 90efda0b137d..2c7c898c03e4 100644
--- a/arch/s390/include/asm/qeth.h
+++ b/arch/s390/include/asm/qeth.h
@@ -20,6 +20,7 @@
 #define SIOC_QETH_ARP_FLUSH_CACHE       (SIOCDEVPRIVATE + 4)
 #define SIOC_QETH_ADP_SET_SNMP_CONTROL  (SIOCDEVPRIVATE + 5)
 #define SIOC_QETH_GET_CARD_TYPE         (SIOCDEVPRIVATE + 6)
+#define SIOC_QETH_QUERY_OAT             (SIOCDEVPRIVATE + 7)
 
 struct qeth_arp_cache_entry {
         __u8  macaddr[6];
@@ -107,4 +108,10 @@ struct qeth_arp_query_user_data {
         char *entries;
 } __attribute__((packed));
 
+struct qeth_query_oat_data {
+        __u32 command;
+        __u32 buffer_len;
+        __u32 response_len;
+        __u64 ptr;
+};
 #endif /* __ASM_S390_QETH_IOCTL_H__ */
diff --git a/arch/s390/include/asm/socket.h b/arch/s390/include/asm/socket.h
index 67b5c1b14b51..c91b720965c0 100644
--- a/arch/s390/include/asm/socket.h
+++ b/arch/s390/include/asm/socket.h
@@ -72,5 +72,9 @@
 
 #define SO_WIFI_STATUS          41
 #define SCM_WIFI_STATUS         SO_WIFI_STATUS
+#define SO_PEEK_OFF             42
+
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS                43
 
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 7a97d57f7073..2429ecd68872 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -165,13 +165,6 @@ static inline int ext_hash(u16 code)
         return (code + (code >> 9)) & 0xff;
 }
 
-static void ext_int_hash_update(struct rcu_head *head)
-{
-        struct ext_int_info *p = container_of(head, struct ext_int_info, rcu);
-
-        kfree(p);
-}
-
 int register_external_interrupt(u16 code, ext_int_handler_t handler)
 {
         struct ext_int_info *p;
@@ -202,7 +195,7 @@ int unregister_external_interrupt(u16 code, ext_int_handler_t handler)
         list_for_each_entry_rcu(p, &ext_int_hash[index], entry)
                 if (p->code == code && p->handler == handler) {
                         list_del_rcu(&p->entry);
-                        call_rcu(&p->rcu, ext_int_hash_update);
+                        kfree_rcu(p, rcu);
                 }
         spin_unlock_irqrestore(&ext_int_hash_lock, flags);
         return 0;
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 78b3c149b8b6..3732e4c09cbe 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -92,9 +92,7 @@ void cpu_idle(void)
                 tick_nohz_idle_exit();
                 if (test_thread_flag(TIF_MCCK_PENDING))
                         s390_handle_mcck();
-                preempt_enable_no_resched();
-                schedule();
-                preempt_disable();
+                schedule_preempt_disabled();
         }
 }
 
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 64ebbcbb31ea..a8bf9994b086 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -714,12 +714,6 @@ static void __cpuinit smp_start_secondary(void *cpuvoid)
         ipi_call_lock();
         set_cpu_online(smp_processor_id(), true);
         ipi_call_unlock();
-        /*
-         * Wait until the cpu which brought this one up marked it
-         * active before enabling interrupts.
-         */
-        while (!cpumask_test_cpu(smp_processor_id(), cpu_active_mask))
-                cpu_relax();
         local_irq_enable();
         /* cpu_idle will call schedule for us */
         cpu_idle();