Merge android-4.4@89074de (v4.4.94) into msm-4.4

* refs/heads/tmp-89074de
  Linux 4.4.94
  Revert "tty: goldfish: Fix a parameter of a call to free_irq"
  cpufreq: CPPC: add ACPI_PROCESSOR dependency
  nfsd/callback: Cleanup callback cred on shutdown
  target/iscsi: Fix unsolicited data seq_end_offset calculation
  uapi: fix linux/mroute6.h userspace compilation errors
  uapi: fix linux/rds.h userspace compilation errors
  ceph: clean up unsafe d_parent accesses in build_dentry_path
  i2c: at91: ensure state is restored after suspending
  net: mvpp2: release reference to txq_cpu[] entry after unmapping
  scsi: scsi_dh_emc: return success in clariion_std_inquiry()
  slub: do not merge cache if slub_debug contains a never-merge flag
  ocfs2/dlmglue: prepare tracking logic to avoid recursive cluster lock
  crypto: xts - Add ECB dependency
  net/mlx4_core: Fix VF overwrite of module param which disables DMFS on new probed PFs
  sparc64: Migrate hvcons irq to panicked cpu
  md/linear: shutup lockdep warnning
  f2fs: do not wait for writeback in write_begin
  Btrfs: send, fix failure to rename top level inode due to name collision
  iio: adc: xilinx: Fix error handling
  netfilter: nf_ct_expect: Change __nf_ct_expect_check() return value.
  net/mlx4_en: fix overflow in mlx4_en_init_timestamp()
  mac80211: fix power saving clients handling in iwlwifi
  mac80211_hwsim: check HWSIM_ATTR_RADIO_NAME length
  irqchip/crossbar: Fix incorrect type of local variables
  watchdog: kempld: fix gcc-4.3 build
  locking/lockdep: Add nest_lock integrity test
  Revert "bsg-lib: don't free job in bsg_prepare_job"
  tipc: use only positive error codes in messages
  net: Set sk_prot_creator when cloning sockets to the right proto
  packet: only test po->has_vnet_hdr once in packet_snd
  packet: in packet_do_bind, test fanout with bind_lock held
  tun: bail out from tun_get_user() if the skb is empty
  l2tp: fix race condition in l2tp_tunnel_delete
  l2tp: Avoid schedule while atomic in exit_net
  vti: fix use after free in vti_tunnel_xmit/vti6_tnl_xmit
  isdn/i4l: fetch the ppp_write buffer in one shot
  bpf: one perf event close won't free bpf program attached by another perf event
  packet: hold bind lock when rebinding to fanout hook
  net: emac: Fix napi poll list corruption
  ip6_gre: skb_push ipv6hdr before packing the header in ip6gre_header
  udpv6: Fix the checksum computation when HW checksum does not apply
  bpf/verifier: reject BPF_ALU64|BPF_END
  sctp: potential read out of bounds in sctp_ulpevent_type_enabled()
  MIPS: Fix minimum alignment requirement of IRQ stack
  drm/dp/mst: save vcpi with payloads
  percpu: make this_cpu_generic_read() atomic w.r.t. interrupts
  trace: sched: Fix util_avg_walt in sched_load_avg_cpu trace
  sched/fair: remove erroneous RCU_LOCKDEP_WARN from start_cpu()
  sched: EAS/WALT: finish accounting prior to task_tick
  cpufreq: sched: update capacity request upon tick always
  sched/fair: prevent meaningless active migration
  sched: walt: Leverage existing helper APIs to apply invariance

Conflicts:
	kernel/sched/core.c
	kernel/sched/fair.c
	kernel/sched/sched.h

Change-Id: I0effac90fb6a4db559479bfa2fefa31c41200ce9
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>

6 files changed, 36 insertions, 12 deletions

diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index 4d9f233c4ba8..7d58ffdacd62 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -105,15 +105,35 @@ do {									\
 	(__ret);							\
 })
 
-#define this_cpu_generic_read(pcp)					\
+#define __this_cpu_generic_read_nopreempt(pcp)				\
 ({									\
 	typeof(pcp) __ret;						\
 	preempt_disable();						\
-	__ret = *this_cpu_ptr(&(pcp));					\
+	__ret = READ_ONCE(*raw_cpu_ptr(&(pcp)));			\
 	preempt_enable();						\
 	__ret;								\
 })
 
+#define __this_cpu_generic_read_noirq(pcp)				\
+({									\
+	typeof(pcp) __ret;						\
+	unsigned long __flags;						\
+	raw_local_irq_save(__flags);					\
+	__ret = *raw_cpu_ptr(&(pcp));					\
+	raw_local_irq_restore(__flags);					\
+	__ret;								\
+})
+
+#define this_cpu_generic_read(pcp)					\
+({									\
+	typeof(pcp) __ret;						\
+	if (__native_word(pcp))						\
+		__ret = __this_cpu_generic_read_nopreempt(pcp);		\
+	else								\
+		__ret = __this_cpu_generic_read_noirq(pcp);		\
+	__ret;								\
+})
+
 #define this_cpu_generic_to_op(pcp, val, op)				\
 do {									\
 	unsigned long __flags;						\
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index 6ff6ab8534dd..2181ae5db42e 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -303,6 +303,7 @@ struct trace_event_call {
 	int				perf_refcount;
 	struct hlist_head __percpu	*perf_events;
 	struct bpf_prog			*prog;
+	struct perf_event		*bpf_prog_owner;
 
 	int	(*perf_perm)(struct trace_event_call *,
 			     struct perf_event *);
diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h
index cccdcfd14973..f348c736e6e0 100644
--- a/include/net/sctp/ulpevent.h
+++ b/include/net/sctp/ulpevent.h
@@ -141,8 +141,12 @@ __u16 sctp_ulpevent_get_notification_type(const struct sctp_ulpevent *event);
 static inline int sctp_ulpevent_type_enabled(__u16 sn_type,
 					     struct sctp_event_subscribe *mask)
 {
+	int offset = sn_type - SCTP_SN_TYPE_BASE;
 	char *amask = (char *) mask;
-	return amask[sn_type - SCTP_SN_TYPE_BASE];
+
+	if (offset >= sizeof(struct sctp_event_subscribe))
+		return 0;
+	return amask[offset];
 }
 
 /* Given an event subscription, is this event enabled? */
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index cea7c9cb70f3..7047c9589003 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -1544,9 +1544,9 @@ TRACE_EVENT(sched_load_avg_cpu,
 		__entry->util_avg_pelt	= cfs_rq->avg.util_avg;
 		__entry->util_avg_walt	= 0;
 #ifdef CONFIG_SCHED_WALT
-		__entry->util_avg_walt	=
-				cpu_rq(cpu)->prev_runnable_sum << SCHED_LOAD_SHIFT;
-		do_div(__entry->util_avg_walt, walt_ravg_window);
+		__entry->util_avg_walt =
+				div64_u64(cpu_rq(cpu)->cumulative_runnable_avg,
+						  walt_ravg_window >> SCHED_LOAD_SHIFT);
 		if (!walt_disabled && sysctl_sched_use_walt_cpu_util)
 			__entry->util_avg		= __entry->util_avg_walt;
 #endif
@@ -1865,7 +1865,6 @@ TRACE_EVENT(walt_update_task_ravg,
 		__array(	char,	comm,   TASK_COMM_LEN	)
 		__field(	pid_t,	pid			)
 		__field(	pid_t,	cur_pid			)
-		__field(unsigned int,	cur_freq		)
 		__field(	u64,	wallclock		)
 		__field(	u64,	mark_start		)
 		__field(	u64,	delta_m			)
@@ -1893,7 +1892,6 @@ TRACE_EVENT(walt_update_task_ravg,
 		__entry->evt            = evt;
 		__entry->cpu            = rq->cpu;
 		__entry->cur_pid        = rq->curr->pid;
-		__entry->cur_freq       = rq->cur_freq;
 		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
 		__entry->pid            = p->pid;
 		__entry->mark_start     = p->ravg.mark_start;
@@ -1912,11 +1910,10 @@ TRACE_EVENT(walt_update_task_ravg,
 		__entry->active_windows	= p->ravg.active_windows;
 	),
 
-	TP_printk("wc %llu ws %llu delta %llu event %d cpu %d cur_freq %u cur_pid %d task %d (%s) ms %llu delta %llu demand %u sum %u irqtime %llu"
+	TP_printk("wc %llu ws %llu delta %llu event %d cpu %d cur_pid %d task %d (%s) ms %llu delta %llu demand %u sum %u irqtime %llu"
 		" cs %llu ps %llu util %lu cur_window %u prev_window %u active_wins %u"
 		, __entry->wallclock, __entry->win_start, __entry->delta,
-		__entry->evt, __entry->cpu,
-		__entry->cur_freq, __entry->cur_pid,
+		__entry->evt, __entry->cpu, __entry->cur_pid,
 		__entry->pid, __entry->comm, __entry->mark_start,
 		__entry->delta_m, __entry->demand,
 		__entry->sum, __entry->irqtime,
diff --git a/include/uapi/linux/mroute6.h b/include/uapi/linux/mroute6.h
index ce91215cf7e6..e0b566dc72ef 100644
--- a/include/uapi/linux/mroute6.h
+++ b/include/uapi/linux/mroute6.h
@@ -3,6 +3,7 @@
 
 #include <linux/types.h>
 #include <linux/sockios.h>
+#include <linux/in6.h>		/* For struct sockaddr_in6. */
 
 /*
  *	Based on the MROUTING 3.5 defines primarily to keep
diff --git a/include/uapi/linux/rds.h b/include/uapi/linux/rds.h
index 0f9265cb2a96..7af20a136429 100644
--- a/include/uapi/linux/rds.h
+++ b/include/uapi/linux/rds.h
@@ -35,6 +35,7 @@
 #define _LINUX_RDS_H
 
 #include <linux/types.h>
+#include <linux/socket.h>		/* For __kernel_sockaddr_storage. */
 
 #define RDS_IB_ABI_VERSION		0x301
 
@@ -223,7 +224,7 @@ struct rds_get_mr_args {
 };
 
 struct rds_get_mr_for_dest_args {
-	struct sockaddr_storage	dest_addr;
+	struct __kernel_sockaddr_storage dest_addr;
 	struct rds_iovec 	vec;
 	uint64_t		cookie_addr;
 	uint64_t		flags;