Linux-libre 4.4.1-gnupck-4.4.1-gnu

13 files changed, 41 insertions, 196 deletions

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 863793bef..1c1ff7e4f 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -157,6 +157,8 @@ extern struct task_group root_task_group;
 # define INIT_VTIME(tsk)
 #endif
 
+#define INIT_TASK_COMM "swapper"
+
 #ifdef CONFIG_RT_MUTEXES
 # define INIT_RT_MUTEXES(tsk)						\
 	.pi_waiters = RB_ROOT,						\
@@ -185,78 +187,6 @@ extern struct task_group root_task_group;
  *  INIT_TASK is used to set up the first task table, touch at
  * your own risk!. Base=0, limit=0x1fffff (=2MB)
  */
-#ifdef CONFIG_SCHED_BFS
-#define INIT_TASK_COMM "BFS"
-#define INIT_TASK(tsk)	\
-{									\
-	.state		= 0,						\
-	.stack		= &init_thread_info,				\
-	.usage		= ATOMIC_INIT(2),				\
-	.flags		= PF_KTHREAD,					\
-	.prio		= NORMAL_PRIO,					\
-	.static_prio	= MAX_PRIO-20,					\
-	.normal_prio	= NORMAL_PRIO,					\
-	.deadline	= 0,						\
-	.policy		= SCHED_NORMAL,					\
-	.cpus_allowed	= CPU_MASK_ALL,					\
-	.mm		= NULL,						\
-	.active_mm	= &init_mm,					\
-	.restart_block = {						\
-		.fn = do_no_restart_syscall,				\
-	},								\
-	.run_list	= LIST_HEAD_INIT(tsk.run_list),			\
-	.time_slice	= HZ,					\
-	.tasks		= LIST_HEAD_INIT(tsk.tasks),			\
-	INIT_PUSHABLE_TASKS(tsk)					\
-	.ptraced	= LIST_HEAD_INIT(tsk.ptraced),			\
-	.ptrace_entry	= LIST_HEAD_INIT(tsk.ptrace_entry),		\
-	.real_parent	= &tsk,						\
-	.parent		= &tsk,						\
-	.children	= LIST_HEAD_INIT(tsk.children),			\
-	.sibling	= LIST_HEAD_INIT(tsk.sibling),			\
-	.group_leader	= &tsk,						\
-	RCU_POINTER_INITIALIZER(real_cred, &init_cred),			\
-	RCU_POINTER_INITIALIZER(cred, &init_cred),			\
-	.comm		= INIT_TASK_COMM,				\
-	.thread		= INIT_THREAD,					\
-	.fs		= &init_fs,					\
-	.files		= &init_files,					\
-	.signal		= &init_signals,				\
-	.sighand	= &init_sighand,				\
-	.nsproxy	= &init_nsproxy,				\
-	.pending	= {						\
-		.list = LIST_HEAD_INIT(tsk.pending.list),		\
-		.signal = {{0}}},					\
-	.blocked	= {{0}},					\
-	.alloc_lock	= __SPIN_LOCK_UNLOCKED(tsk.alloc_lock),		\
-	.journal_info	= NULL,						\
-	.cpu_timers	= INIT_CPU_TIMERS(tsk.cpu_timers),		\
-	.pi_lock	= __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock),		\
-	.timer_slack_ns = 50000, /* 50 usec default slack */		\
-	.pids = {							\
-		[PIDTYPE_PID]  = INIT_PID_LINK(PIDTYPE_PID),		\
-		[PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID),		\
-		[PIDTYPE_SID]  = INIT_PID_LINK(PIDTYPE_SID),		\
-	},								\
-	.thread_group	= LIST_HEAD_INIT(tsk.thread_group),		\
-	.thread_node	= LIST_HEAD_INIT(init_signals.thread_head),	\
-	INIT_IDS							\
-	INIT_PERF_EVENTS(tsk)						\
-	INIT_TRACE_IRQFLAGS						\
-	INIT_LOCKDEP							\
-	INIT_FTRACE_GRAPH						\
-	INIT_TRACE_RECURSION						\
-	INIT_TASK_RCU_PREEMPT(tsk)					\
-	INIT_TASK_RCU_TASKS(tsk)					\
-	INIT_CPUSET_SEQ(tsk)						\
-	INIT_RT_MUTEXES(tsk)						\
-	INIT_PREV_CPUTIME(tsk)						\
-	INIT_VTIME(tsk)							\
-	INIT_NUMA_BALANCING(tsk)					\
-	INIT_KASAN(tsk)							\
-}
-#else /* CONFIG_SCHED_BFS */
-#define INIT_TASK_COMM "swapper"
 #define INIT_TASK(tsk)	\
 {									\
 	.state		= 0,						\
@@ -331,7 +261,7 @@ extern struct task_group root_task_group;
 	INIT_NUMA_BALANCING(tsk)					\
 	INIT_KASAN(tsk)							\
 }
-#endif /* CONFIG_SCHED_BFS */
+
 
 #define INIT_CPU_TIMERS(cpu_timers)					\
 {									\
diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h
index ce2fc3c74..beb9ce1c2 100644
--- a/include/linux/ioprio.h
+++ b/include/linux/ioprio.h
@@ -52,8 +52,6 @@ enum {
  */
 static inline int task_nice_ioprio(struct task_struct *task)
 {
-	if (iso_task(task))
-		return 0;
 	return (task_nice(task) + 20) / 5;
 }
 
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 9384572f6..5fdc55312 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -164,11 +164,7 @@ static inline u64 get_jiffies_64(void)
  * Have the 32 bit jiffies value wrap 5 minutes after boot
  * so jiffies wrap bugs show up earlier.
  */
-#ifdef CONFIG_SCHED_BFS
-#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-10*HZ))
-#else
 #define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
-#endif
 
 /*
  * Change timeval to jiffies, trying to avoid the
diff --git a/include/linux/mlx5/cq.h b/include/linux/mlx5/cq.h
index abc476769..b2c9fada8 100644
--- a/include/linux/mlx5/cq.h
+++ b/include/linux/mlx5/cq.h
@@ -45,7 +45,7 @@ struct mlx5_core_cq {
 	atomic_t		refcount;
 	struct completion	free;
 	unsigned		vector;
-	int			irqn;
+	unsigned int		irqn;
 	void (*comp)		(struct mlx5_core_cq *);
 	void (*event)		(struct mlx5_core_cq *, enum mlx5_event);
 	struct mlx5_uar	       *uar;
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 5c857f2a2..af3efd915 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -303,7 +303,7 @@ struct mlx5_eq {
 	u32			cons_index;
 	struct mlx5_buf		buf;
 	int			size;
-	u8			irqn;
+	unsigned int		irqn;
 	u8			eqn;
 	int			nent;
 	u64			mask;
@@ -762,7 +762,8 @@ int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
 int mlx5_start_eqs(struct mlx5_core_dev *dev);
 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
-int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn);
+int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
+		    unsigned int *irqn);
 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 36ad40cf7..21a6e9649 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -176,7 +176,7 @@ extern void get_iowait_load(unsigned long *nr_waiters, unsigned long *load);
 
 extern void calc_global_load(unsigned long ticks);
 
-#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) && !defined(CONFIG_SCHED_BFS)
+#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
 extern void update_cpu_load_nohz(void);
 #else
 static inline void update_cpu_load_nohz(void) { }
@@ -339,6 +339,8 @@ extern void init_idle_bootup_task(struct task_struct *idle);
 
 extern cpumask_var_t cpu_isolated_map;
 
+extern int runqueue_is_locked(int cpu);
+
 #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
 extern void nohz_balance_enter_idle(int cpu);
 extern void set_cpu_sd_state_idle(void);
@@ -828,6 +830,7 @@ struct user_struct {
 	unsigned long mq_bytes;	/* How many bytes can be allocated to mqueue? */
 #endif
 	unsigned long locked_shm; /* How many pages of mlocked shm ? */
+	unsigned long unix_inflight;	/* How many files in flight in unix sockets */
 
 #ifdef CONFIG_KEYS
 	struct key *uid_keyring;	/* UID specific keyring */
@@ -1380,11 +1383,9 @@ struct task_struct {
 	unsigned int flags;	/* per process flags, defined below */
 	unsigned int ptrace;
 
-#if defined(CONFIG_SMP) || defined(CONFIG_SCHED_BFS)
-	int on_cpu;
-#endif
 #ifdef CONFIG_SMP
 	struct llist_node wake_entry;
+	int on_cpu;
 	unsigned int wakee_flips;
 	unsigned long wakee_flip_decay_ts;
 	struct task_struct *last_wakee;
@@ -1392,29 +1393,12 @@ struct task_struct {
 	int wake_cpu;
 #endif
 	int on_rq;
+
 	int prio, static_prio, normal_prio;
 	unsigned int rt_priority;
-#ifdef CONFIG_SCHED_BFS
-	int time_slice;
-	u64 deadline;
-	struct list_head run_list;
-	u64 last_ran;
-	u64 sched_time; /* sched_clock time spent running */
-#ifdef CONFIG_SMT_NICE
-	int smt_bias; /* Policy/nice level bias across smt siblings */
-#endif
-#ifdef CONFIG_SMP
-	bool sticky; /* Soft affined flag */
-#endif
-#ifdef CONFIG_HOTPLUG_CPU
-	bool zerobound; /* Bound to CPU0 for hotplug */
-#endif
-	unsigned long rt_timeout;
-#else /* CONFIG_SCHED_BFS */
 	const struct sched_class *sched_class;
 	struct sched_entity se;
 	struct sched_rt_entity rt;
-#endif
 #ifdef CONFIG_CGROUP_SCHED
 	struct task_group *sched_task_group;
 #endif
@@ -1534,9 +1518,6 @@ struct task_struct {
 	int __user *clear_child_tid;		/* CLONE_CHILD_CLEARTID */
 
 	cputime_t utime, stime, utimescaled, stimescaled;
-#ifdef CONFIG_SCHED_BFS
-	unsigned long utime_pc, stime_pc;
-#endif
 	cputime_t gtime;
 	struct prev_cputime prev_cputime;
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
@@ -1849,63 +1830,6 @@ extern int arch_task_struct_size __read_mostly;
 # define arch_task_struct_size (sizeof(struct task_struct))
 #endif
 
-#ifdef CONFIG_SCHED_BFS
-bool grunqueue_is_locked(void);
-void grq_unlock_wait(void);
-void cpu_scaling(int cpu);
-void cpu_nonscaling(int cpu);
-#define tsk_seruntime(t)		((t)->sched_time)
-#define tsk_rttimeout(t)		((t)->rt_timeout)
-
-static inline void tsk_cpus_current(struct task_struct *p)
-{
-}
-
-static inline int runqueue_is_locked(int cpu)
-{
-	return grunqueue_is_locked();
-}
-
-void print_scheduler_version(void);
-
-static inline bool iso_task(struct task_struct *p)
-{
-	return (p->policy == SCHED_ISO);
-}
-#else /* CFS */
-extern int runqueue_is_locked(int cpu);
-static inline void cpu_scaling(int cpu)
-{
-}
-
-static inline void cpu_nonscaling(int cpu)
-{
-}
-#define tsk_seruntime(t)	((t)->se.sum_exec_runtime)
-#define tsk_rttimeout(t)	((t)->rt.timeout)
-
-static inline void tsk_cpus_current(struct task_struct *p)
-{
-	p->nr_cpus_allowed = current->nr_cpus_allowed;
-}
-
-static inline void print_scheduler_version(void)
-{
-	printk(KERN_INFO"CFS CPU scheduler.\n");
-}
-
-static inline bool iso_task(struct task_struct *p)
-{
-	return false;
-}
-
-/* Anyone feel like implementing this? */
-static inline bool above_background_load(void)
-{
-	return false;
-}
-#endif /* CONFIG_SCHED_BFS */
-
 /* Future-safe accessor for struct task_struct's cpus_allowed. */
 #define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed)
 
@@ -2321,7 +2245,7 @@ static inline int set_cpus_allowed_ptr(struct task_struct *p,
 }
 #endif
 
-#if defined(CONFIG_NO_HZ_COMMON) && !defined(CONFIG_SCHED_BFS)
+#ifdef CONFIG_NO_HZ_COMMON
 void calc_load_enter_idle(void);
 void calc_load_exit_idle(void);
 #else
@@ -2394,7 +2318,7 @@ extern unsigned long long
 task_sched_runtime(struct task_struct *task);
 
 /* sched_exec is called by processes performing an exec */
-#if defined(CONFIG_SMP) && !defined(CONFIG_SCHED_BFS)
+#ifdef CONFIG_SMP
 extern void sched_exec(void);
 #else
 #define sched_exec()   {}
diff --git a/include/linux/sched/prio.h b/include/linux/sched/prio.h
index 7d5d0b861..d9cf5a576 100644
--- a/include/linux/sched/prio.h
+++ b/include/linux/sched/prio.h
@@ -19,20 +19,8 @@
  */
 
 #define MAX_USER_RT_PRIO	100
-
-#ifdef CONFIG_SCHED_BFS
-/* Note different MAX_RT_PRIO */
-#define MAX_RT_PRIO		(MAX_USER_RT_PRIO + 1)
-
-#define ISO_PRIO		(MAX_RT_PRIO)
-#define NORMAL_PRIO		(MAX_RT_PRIO + 1)
-#define IDLE_PRIO		(MAX_RT_PRIO + 2)
-#define PRIO_LIMIT		((IDLE_PRIO) + 1)
-#else /* CONFIG_SCHED_BFS */
 #define MAX_RT_PRIO		MAX_USER_RT_PRIO
 
-#endif /* CONFIG_SCHED_BFS */
-
 #define MAX_PRIO		(MAX_RT_PRIO + NICE_WIDTH)
 #define DEFAULT_PRIO		(MAX_RT_PRIO + NICE_WIDTH / 2)
 
diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
index 3ab7d1805..6723fec71 100644
--- a/include/linux/shmem_fs.h
+++ b/include/linux/shmem_fs.h
@@ -26,13 +26,10 @@ struct shmem_inode_info {
 };
 
 struct shmem_sb_info {
-	struct mutex idr_lock;
-	bool idr_nouse;
-	struct idr idr;		    /* manages inode-number */
 	unsigned long max_blocks;   /* How many blocks are allowed */
 	struct percpu_counter used_blocks;  /* How many are allocated */
-	int max_inodes;		    /* How many inodes are allowed */
-	int free_inodes;	    /* How many are left for allocation */
+	unsigned long max_inodes;   /* How many inodes are allowed */
+	unsigned long free_inodes;  /* How many are left for allocation */
 	spinlock_t stat_lock;	    /* Serialize shmem_sb_info changes */
 	kuid_t uid;		    /* Mount uid for root directory */
 	kgid_t gid;		    /* Mount gid for root directory */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 4355129ff..9147f9f34 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3446,7 +3446,8 @@ struct skb_gso_cb {
 	int	encap_level;
 	__u16	csum_start;
 };
-#define SKB_GSO_CB(skb) ((struct skb_gso_cb *)(skb)->cb)
+#define SKB_SGO_CB_OFFSET	32
+#define SKB_GSO_CB(skb) ((struct skb_gso_cb *)((skb)->cb + SKB_SGO_CB_OFFSET))
 
 static inline int skb_tnl_header_len(const struct sk_buff *inner_skb)
 {
diff --git a/include/linux/usb.h b/include/linux/usb.h
index b9a280742..b79925dd2 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -511,6 +511,8 @@ struct usb3_lpm_parameters {
  * @usb2_hw_lpm_enabled: USB2 hardware LPM is enabled
  * @usb2_hw_lpm_allowed: Userspace allows USB 2.0 LPM to be enabled
  * @usb3_lpm_enabled: USB3 hardware LPM enabled
+ * @usb3_lpm_u1_enabled: USB3 hardware U1 LPM enabled
+ * @usb3_lpm_u2_enabled: USB3 hardware U2 LPM enabled
  * @string_langid: language ID for strings
  * @product: iProduct string, if present (static)
  * @manufacturer: iManufacturer string, if present (static)
@@ -584,6 +586,8 @@ struct usb_device {
 	unsigned usb2_hw_lpm_enabled:1;
 	unsigned usb2_hw_lpm_allowed:1;
 	unsigned usb3_lpm_enabled:1;
+	unsigned usb3_lpm_u1_enabled:1;
+	unsigned usb3_lpm_u2_enabled:1;
 	int string_langid;
 
 	/* static strings from the device */
diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index 84b20835b..0dc0a51da 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -111,11 +111,24 @@ static inline void ipv4_copy_dscp(unsigned int dscp, struct iphdr *inner)
 
 struct ipv6hdr;
 
-static inline int IP6_ECN_set_ce(struct ipv6hdr *iph)
+/* Note:
+ * IP_ECN_set_ce() has to tweak IPV4 checksum when setting CE,
+ * meaning both changes have no effect on skb->csum if/when CHECKSUM_COMPLETE
+ * In IPv6 case, no checksum compensates the change in IPv6 header,
+ * so we have to update skb->csum.
+ */
+static inline int IP6_ECN_set_ce(struct sk_buff *skb, struct ipv6hdr *iph)
 {
+	__be32 from, to;
+
 	if (INET_ECN_is_not_ect(ipv6_get_dsfield(iph)))
 		return 0;
-	*(__be32*)iph |= htonl(INET_ECN_CE << 20);
+
+	from = *(__be32 *)iph;
+	to = from | htonl(INET_ECN_CE << 20);
+	*(__be32 *)iph = to;
+	if (skb->ip_summed == CHECKSUM_COMPLETE)
+		skb->csum = csum_add(csum_sub(skb->csum, from), to);
 	return 1;
 }
 
@@ -142,7 +155,7 @@ static inline int INET_ECN_set_ce(struct sk_buff *skb)
 	case cpu_to_be16(ETH_P_IPV6):
 		if (skb_network_header(skb) + sizeof(struct ipv6hdr) <=
 		    skb_tail_pointer(skb))
-			return IP6_ECN_set_ce(ipv6_hdr(skb));
+			return IP6_ECN_set_ce(skb, ipv6_hdr(skb));
 		break;
 	}
 
diff --git a/include/uapi/linux/aufs_type.h b/include/uapi/linux/aufs_type.h
index a06c98580..54fad75e8 100644
--- a/include/uapi/linux/aufs_type.h
+++ b/include/uapi/linux/aufs_type.h
@@ -26,7 +26,7 @@
 
 #include <linux/limits.h>
 
-#define AUFS_VERSION	"4.x-rcN"
+#define AUFS_VERSION	"4.4"
 
 /* todo? move this to linux-2.6.19/include/magic.h */
 #define AUFS_SUPER_MAGIC	('a' << 24 | 'u' << 16 | 'f' << 8 | 's')
diff --git a/include/uapi/linux/sched.h b/include/uapi/linux/sched.h
index f63e1cd82..cc89ddefa 100644
--- a/include/uapi/linux/sched.h
+++ b/include/uapi/linux/sched.h
@@ -37,16 +37,9 @@
 #define SCHED_FIFO		1
 #define SCHED_RR		2
 #define SCHED_BATCH		3
-/* SCHED_ISO: Implemented on BFS only */
+/* SCHED_ISO: reserved but not implemented yet */
 #define SCHED_IDLE		5
-#ifdef CONFIG_SCHED_BFS
-#define SCHED_ISO		4
-#define SCHED_IDLEPRIO		SCHED_IDLE
-#define SCHED_MAX		(SCHED_IDLEPRIO)
-#define SCHED_RANGE(policy)	((policy) <= SCHED_MAX)
-#else /* CONFIG_SCHED_BFS */
 #define SCHED_DEADLINE		6
-#endif /* CONFIG_SCHED_BFS */
 
 /* Can be ORed in to make sure the process is reverted back to SCHED_NORMAL on fork */
 #define SCHED_RESET_ON_FORK     0x40000000