Merge android-4.4@4b8fc9f (v4.4.82) into msm-4.4

* refs/heads/tmp-4b8fc9f
  UPSTREAM: locking: avoid passing around 'thread_info' in mutex debugging code
  ANDROID: arm64: fix undeclared 'init_thread_info' error
  UPSTREAM: kdb: use task_cpu() instead of task_thread_info()->cpu
  Linux 4.4.82
  net: account for current skb length when deciding about UFO
  ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output
  mm/mempool: avoid KASAN marking mempool poison checks as use-after-free
  KVM: arm/arm64: Handle hva aging while destroying the vm
  sparc64: Prevent perf from running during super critical sections
  udp: consistently apply ufo or fragmentation
  revert "ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output"
  revert "net: account for current skb length when deciding about UFO"
  packet: fix tp_reserve race in packet_set_ring
  net: avoid skb_warn_bad_offload false positives on UFO
  tcp: fastopen: tcp_connect() must refresh the route
  net: sched: set xt_tgchk_param par.nft_compat as 0 in ipt_init_target
  bpf, s390: fix jit branch offset related to ldimm64
  net: fix keepalive code vs TCP_FASTOPEN_CONNECT
  tcp: avoid setting cwnd to invalid ssthresh after cwnd reduction states
  ANDROID: keychord: Fix for a memory leak in keychord.
  ANDROID: keychord: Fix races in keychord_write.
  Use %zu to print resid (size_t).
  ANDROID: keychord: Fix a slab out-of-bounds read.
  Linux 4.4.81
  workqueue: implicit ordered attribute should be overridable
  net: account for current skb length when deciding about UFO
  ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output
  mm: don't dereference struct page fields of invalid pages
  signal: protect SIGNAL_UNKILLABLE from unintentional clearing.
  lib/Kconfig.debug: fix frv build failure
  mm, slab: make sure that KMALLOC_MAX_SIZE will fit into MAX_ORDER
  ARM: 8632/1: ftrace: fix syscall name matching
  virtio_blk: fix panic in initialization error path
  drm/virtio: fix framebuffer sparse warning
  scsi: qla2xxx: Get mutex lock before checking optrom_state
  phy state machine: failsafe leave invalid RUNNING state
  x86/boot: Add missing declaration of string functions
  tg3: Fix race condition in tg3_get_stats64().
  net: phy: dp83867: fix irq generation
  sh_eth: R8A7740 supports packet shecksumming
  wext: handle NULL extra data in iwe_stream_add_point better
  sparc64: Measure receiver forward progress to avoid send mondo timeout
  xen-netback: correctly schedule rate-limited queues
  net: phy: Fix PHY unbind crash
  net: phy: Correctly process PHY_HALTED in phy_stop_machine()
  net/mlx5: Fix command bad flow on command entry allocation failure
  sctp: fix the check for _sctp_walk_params and _sctp_walk_errors
  sctp: don't dereference ptr before leaving _sctp_walk_{params, errors}()
  dccp: fix a memleak for dccp_feat_init err process
  dccp: fix a memleak that dccp_ipv4 doesn't put reqsk properly
  dccp: fix a memleak that dccp_ipv6 doesn't put reqsk properly
  net: ethernet: nb8800: Handle all 4 RGMII modes identically
  ipv6: Don't increase IPSTATS_MIB_FRAGFAILS twice in ip6_fragment()
  packet: fix use-after-free in prb_retire_rx_blk_timer_expired()
  openvswitch: fix potential out of bound access in parse_ct
  mcs7780: Fix initialization when CONFIG_VMAP_STACK is enabled
  rtnetlink: allocate more memory for dev_set_mac_address()
  ipv4: initialize fib_trie prior to register_netdev_notifier call.
  ipv6: avoid overflow of offset in ip6_find_1stfragopt
  net: Zero terminate ifr_name in dev_ifname().
  ipv4: ipv6: initialize treq->txhash in cookie_v[46]_check()
  saa7164: fix double fetch PCIe access condition
  drm: rcar-du: fix backport bug
  f2fs: sanity check checkpoint segno and blkoff
  media: lirc: LIRC_GET_REC_RESOLUTION should return microseconds
  mm, mprotect: flush TLB if potentially racing with a parallel reclaim leaving stale TLB entries
  iser-target: Avoid isert_conn->cm_id dereference in isert_login_recv_done
  iscsi-target: Fix delayed logout processing greater than SECONDS_FOR_LOGOUT_COMP
  iscsi-target: Fix initial login PDU asynchronous socket close OOPs
  iscsi-target: Fix early sk_data_ready LOGIN_FLAGS_READY race
  iscsi-target: Always wait for kthread_should_stop() before kthread exit
  target: Avoid mappedlun symlink creation during lun shutdown
  media: platform: davinci: return -EINVAL for VPFE_CMD_S_CCDC_RAW_PARAMS ioctl
  ARM: dts: armada-38x: Fix irq type for pca955
  ext4: fix overflow caused by missing cast in ext4_resize_fs()
  ext4: fix SEEK_HOLE/SEEK_DATA for blocksize < pagesize
  mm/page_alloc: Remove kernel address exposure in free_reserved_area()
  KVM: async_pf: make rcu irq exit if not triggered from idle task
  ASoC: do not close shared backend dailink
  ALSA: hda - Fix speaker output from VAIO VPCL14M1R
  workqueue: restore WQ_UNBOUND/max_active==1 to be ordered
  libata: array underflow in ata_find_dev()
  ANDROID: binder: don't queue async transactions to thread.
  ANDROID: binder: don't enqueue death notifications to thread todo.
  ANDROID: binder: call poll_wait() unconditionally.
  android: configs: move quota-related configs to recommended
  BACKPORT: arm64: split thread_info from task stack
  UPSTREAM: arm64: assembler: introduce ldr_this_cpu
  UPSTREAM: arm64: make cpu number a percpu variable
  UPSTREAM: arm64: smp: prepare for smp_processor_id() rework
  BACKPORT: arm64: move sp_el0 and tpidr_el1 into cpu_suspend_ctx
  UPSTREAM: arm64: prep stack walkers for THREAD_INFO_IN_TASK
  UPSTREAM: arm64: unexport walk_stackframe
  UPSTREAM: arm64: traps: simplify die() and __die()
  UPSTREAM: arm64: factor out current_stack_pointer
  BACKPORT: arm64: asm-offsets: remove unused definitions
  UPSTREAM: arm64: thread_info remove stale items
  UPSTREAM: thread_info: include <current.h> for THREAD_INFO_IN_TASK
  UPSTREAM: thread_info: factor out restart_block
  UPSTREAM: kthread: Pin the stack via try_get_task_stack()/put_task_stack() in to_live_kthread() function
  UPSTREAM: sched/core: Add try_get_task_stack() and put_task_stack()
  UPSTREAM: sched/core: Allow putting thread_info into task_struct
  UPSTREAM: printk: when dumping regs, show the stack, not thread_info
  UPSTREAM: fix up initial thread stack pointer vs thread_info confusion
  UPSTREAM: Clarify naming of thread info/stack allocators
  ANDROID: sdcardfs: override credential for ioctl to lower fs

Conflicts:
	android/configs/android-base.cfg
	arch/arm64/Kconfig
	arch/arm64/include/asm/suspend.h
	arch/arm64/kernel/head.S
	arch/arm64/kernel/smp.c
	arch/arm64/kernel/suspend.c
	arch/arm64/kernel/traps.c
	arch/arm64/mm/proc.S
	kernel/fork.c
	sound/soc/soc-pcm.c

Change-Id: I273e216c94899a838bbd208391c6cbe20b2bf683
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>

4 files changed, 12 insertions, 12 deletions

diff --git a/kernel/locking/mutex-debug.c b/kernel/locking/mutex-debug.c
index 3ef3736002d8..9c951fade415 100644
--- a/kernel/locking/mutex-debug.c
+++ b/kernel/locking/mutex-debug.c
@@ -49,21 +49,21 @@ void debug_mutex_free_waiter(struct mutex_waiter *waiter)
 }
 
 void debug_mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter,
-			    struct thread_info *ti)
+			    struct task_struct *task)
 {
 	SMP_DEBUG_LOCKS_WARN_ON(!spin_is_locked(&lock->wait_lock));
 
 	/* Mark the current thread as blocked on the lock: */
-	ti->task->blocked_on = waiter;
+	task->blocked_on = waiter;
 }
 
 void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
-			 struct thread_info *ti)
+			 struct task_struct *task)
 {
 	DEBUG_LOCKS_WARN_ON(list_empty(&waiter->list));
-	DEBUG_LOCKS_WARN_ON(waiter->task != ti->task);
-	DEBUG_LOCKS_WARN_ON(ti->task->blocked_on != waiter);
-	ti->task->blocked_on = NULL;
+	DEBUG_LOCKS_WARN_ON(waiter->task != task);
+	DEBUG_LOCKS_WARN_ON(task->blocked_on != waiter);
+	task->blocked_on = NULL;
 
 	list_del_init(&waiter->list);
 	waiter->task = NULL;
diff --git a/kernel/locking/mutex-debug.h b/kernel/locking/mutex-debug.h
index 0799fd3e4cfa..d06ae3bb46c5 100644
--- a/kernel/locking/mutex-debug.h
+++ b/kernel/locking/mutex-debug.h
@@ -20,9 +20,9 @@ extern void debug_mutex_wake_waiter(struct mutex *lock,
 extern void debug_mutex_free_waiter(struct mutex_waiter *waiter);
 extern void debug_mutex_add_waiter(struct mutex *lock,
 				   struct mutex_waiter *waiter,
-				   struct thread_info *ti);
+				   struct task_struct *task);
 extern void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
-				struct thread_info *ti);
+				struct task_struct *task);
 extern void debug_mutex_unlock(struct mutex *lock);
 extern void debug_mutex_init(struct mutex *lock, const char *name,
 			     struct lock_class_key *key);
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index 14b9cca36b05..bf5277ee11d3 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -549,7 +549,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
 		goto skip_wait;
 
 	debug_mutex_lock_common(lock, &waiter);
-	debug_mutex_add_waiter(lock, &waiter, task_thread_info(task));
+	debug_mutex_add_waiter(lock, &waiter, task);
 
 	/* add waiting tasks to the end of the waitqueue (FIFO): */
 	list_add_tail(&waiter.list, &lock->wait_list);
@@ -596,7 +596,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
 	}
 	__set_task_state(task, TASK_RUNNING);
 
-	mutex_remove_waiter(lock, &waiter, current_thread_info());
+	mutex_remove_waiter(lock, &waiter, task);
 	/* set it to 0 if there are no waiters left: */
 	if (likely(list_empty(&lock->wait_list)))
 		atomic_set(&lock->count, 0);
@@ -617,7 +617,7 @@ skip_wait:
 	return 0;
 
 err:
-	mutex_remove_waiter(lock, &waiter, task_thread_info(task));
+	mutex_remove_waiter(lock, &waiter, task);
 	spin_unlock_mutex(&lock->wait_lock, flags);
 	debug_mutex_free_waiter(&waiter);
 	mutex_release(&lock->dep_map, 1, ip);
diff --git a/kernel/locking/mutex.h b/kernel/locking/mutex.h
index 5cda397607f2..a68bae5e852a 100644
--- a/kernel/locking/mutex.h
+++ b/kernel/locking/mutex.h
@@ -13,7 +13,7 @@
 		do { spin_lock(lock); (void)(flags); } while (0)
 #define spin_unlock_mutex(lock, flags) \
 		do { spin_unlock(lock); (void)(flags); } while (0)
-#define mutex_remove_waiter(lock, waiter, ti) \
+#define mutex_remove_waiter(lock, waiter, task) \
 		__list_del((waiter)->list.prev, (waiter)->list.next)
 
 #ifdef CONFIG_MUTEX_SPIN_ON_OWNER