Merge android-4.4@ceee5bd (v4.4.95) into msm-4.4

* refs/heads/tmp-ceee5bd
  BACKPORT: arm64: relocatable: suppress R_AARCH64_ABS64 relocations in vmlinux
  sched/core: fix have_sched_energy_data build warning
  sched/core: Warn if ENERGY_AWARE is enabled but data is missing
  sched: walt: Correct WALT window size initialization
  FROMLIST: sched/fair: Use wake_q length as a hint for wake_wide
  sched: WALT: account cumulative window demand
  sched/fair: remove useless variable in find_best_target
  sched/tune: access schedtune_initialized under CGROUP_SCHEDTUNE
  sched/fair: consider task utilization in group_max_util()
  sched/fair: consider task utilization in group_norm_util()
  sched/fair: enforce EAS mode
  sched/fair: ignore backup CPU when not valid
  sched/fair: trace energy_diff for non boosted tasks
  UPSTREAM: sched/fair: Sync task util before slow-path wakeup
  UPSTREAM: sched/fair: Fix usage of find_idlest_group() when the local group is idlest
  UPSTREAM: sched/fair: Fix usage of find_idlest_group() when no groups are allowed
  BACKPORT: sched/fair: Fix find_idlest_group when local group is not allowed
  UPSTREAM: sched/fair: Remove unnecessary comparison with -1
  BACKPORT: sched/fair: Move select_task_rq_fair slow-path into its own function
  UPSTREAM: sched/fair: Force balancing on nohz balance if local group has capacity
  UPSTREAM: sched/core: Add missing update_rq_clock() call in set_user_nice()
  UPSTREAM: sched/core: Add missing update_rq_clock() call for task_hot()
  UPSTREAM: sched/core: Add missing update_rq_clock() in detach_task_cfs_rq()
  UPSTREAM: sched/core: Add missing update_rq_clock() in post_init_entity_util_avg()
  UPSTREAM: sched/core: Fix find_idlest_group() for fork
  BACKPORT: sched/fair: Fix PELT integrity for new tasks
  BACKPORT: sched/cgroup: Fix cpu_cgroup_fork() handling
  UPSTREAM: sched/fair: Fix and optimize the fork() path
  BACKPORT: sched/fair: Make it possible to account fair load avg consistently
  cpufreq/sched: Consider max cpu capacity when choosing frequencies
  Linux 4.4.95
  FS-Cache: fix dereference of NULL user_key_payload
  fscrypto: require write access to mount to set encryption policy
  KEYS: Fix race between updating and finding a negative key
  fscrypt: fix dereference of NULL user_key_payload
  f2fs crypto: add missing locking for keyring_key access
  f2fs crypto: replace some BUG_ON()'s with error checks
  sched/autogroup: Fix autogroup_move_group() to never skip sched_move_task()
  parisc: Fix double-word compare and exchange in LWS code on 32-bit kernels
  parisc: Avoid trashing sr2 and sr3 in LWS code
  pkcs7: Prevent NULL pointer dereference, since sinfo is not always set.
  KEYS: don't let add_key() update an uninstantiated key
  lib/digsig: fix dereference of NULL user_key_payload
  KEYS: encrypted: fix dereference of NULL user_key_payload
  rtlwifi: rtl8821ae: Fix connection lost problem
  clockevents/drivers/cs5535: Improve resilience to spurious interrupts
  bus: mbus: fix window size calculation for 4GB windows
  brcmsmac: make some local variables 'static const' to reduce stack size
  i2c: ismt: Separate I2C block read from SMBus block read
  ALSA: hda: Remove superfluous '-' added by printk conversion
  ALSA: seq: Enable 'use' locking in all configurations
  drm/nouveau/mmu: flush tlbs before deleting page tables
  drm/nouveau/bsp/g92: disable by default
  can: esd_usb2: Fix can_dlc value for received RTR, frames
  usb: musb: Check for host-mode using is_host_active() on reset interrupt
  usb: musb: sunxi: Explicitly release USB PHY on exit
  can: gs_usb: fix busy loop if no more TX context is available
  ALSA: usb-audio: Add native DSD support for Pro-Ject Pre Box S2 Digital
  usb: hub: Allow reset retry for USB2 devices on connect bounce
  usb: quirks: add quirk for WORLDE MINI MIDI keyboard
  usb: cdc_acm: Add quirk for Elatec TWN3
  USB: serial: metro-usb: add MS7820 device id
  USB: core: fix out-of-bounds access bug in usb_get_bos_descriptor()
  USB: devio: Revert "USB: devio: Don't corrupt user memory"
  ANDROID: binder: show high watermark of alloc->pages.
  ANDROID: binder: Add thread->process_todo flag.
  UPSTREAM: arm64: compat: Remove leftover variable declaration
  ANDROID: sched/fair: Select correct capacity state for energy_diff
  Revert "UPSTREAM: efi/libstub/arm64: Set -fpie when building the EFI stub"
  cpufreq: schedutil: clamp util to CPU maximum capacity
  FROMLIST: android: binder: Fix null ptr dereference in debug msg
  FROMLIST: android: binder: Change binder_shrinker to static
  cpufreq/sched: Use cpu max freq rather than policy max

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

Change-Id: I2751f851df741f00e797deaf2119872b3dced655
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>

2 files changed, 25 insertions, 32 deletions

diff --git a/arch/arm64/include/asm/signal32.h b/arch/arm64/include/asm/signal32.h
index eeaa97559bab..81abea0b7650 100644
--- a/arch/arm64/include/asm/signal32.h
+++ b/arch/arm64/include/asm/signal32.h
@@ -22,8 +22,6 @@
 
 #define AARCH32_KERN_SIGRET_CODE_OFFSET	0x500
 
-extern const compat_ulong_t aarch32_sigret_code[6];
-
 int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
 		       struct pt_regs *regs);
 int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index a86b19fccb63..c6b855f7892c 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -479,11 +479,6 @@ lws_start:
 	comiclr,>>	__NR_lws_entries, %r20, %r0
 	b,n	lws_exit_nosys
 
-	/* WARNING: Trashing sr2 and sr3 */
-	mfsp	%sr7,%r1			/* get userspace into sr3 */
-	mtsp	%r1,%sr3
-	mtsp	%r0,%sr2			/* get kernel space into sr2 */
-
 	/* Load table start */
 	ldil	L%lws_table, %r1
 	ldo	R%lws_table(%r1), %r28	/* Scratch use of r28 */
@@ -632,9 +627,9 @@ cas_action:
 	stw	%r1, 4(%sr2,%r20)
 #endif
 	/* The load and store could fail */
-1:	ldw,ma	0(%sr3,%r26), %r28
+1:	ldw,ma	0(%r26), %r28
 	sub,<>	%r28, %r25, %r0
-2:	stw,ma	%r24, 0(%sr3,%r26)
+2:	stw,ma	%r24, 0(%r26)
 	/* Free lock */
 	stw,ma	%r20, 0(%sr2,%r20)
 #if ENABLE_LWS_DEBUG
@@ -711,9 +706,9 @@ lws_compare_and_swap_2:
 	nop
 
 	/* 8bit load */
-4:	ldb	0(%sr3,%r25), %r25
+4:	ldb	0(%r25), %r25
 	b	cas2_lock_start
-5:	ldb	0(%sr3,%r24), %r24
+5:	ldb	0(%r24), %r24
 	nop
 	nop
 	nop
@@ -721,9 +716,9 @@ lws_compare_and_swap_2:
 	nop
 
 	/* 16bit load */
-6:	ldh	0(%sr3,%r25), %r25
+6:	ldh	0(%r25), %r25
 	b	cas2_lock_start
-7:	ldh	0(%sr3,%r24), %r24
+7:	ldh	0(%r24), %r24
 	nop
 	nop
 	nop
@@ -731,9 +726,9 @@ lws_compare_and_swap_2:
 	nop
 
 	/* 32bit load */
-8:	ldw	0(%sr3,%r25), %r25
+8:	ldw	0(%r25), %r25
 	b	cas2_lock_start
-9:	ldw	0(%sr3,%r24), %r24
+9:	ldw	0(%r24), %r24
 	nop
 	nop
 	nop
@@ -742,14 +737,14 @@ lws_compare_and_swap_2:
 
 	/* 64bit load */
 #ifdef CONFIG_64BIT
-10:	ldd	0(%sr3,%r25), %r25
-11:	ldd	0(%sr3,%r24), %r24
+10:	ldd	0(%r25), %r25
+11:	ldd	0(%r24), %r24
 #else
-	/* Load new value into r22/r23 - high/low */
-10:	ldw	0(%sr3,%r25), %r22
-11:	ldw	4(%sr3,%r25), %r23
+	/* Load old value into r22/r23 - high/low */
+10:	ldw	0(%r25), %r22
+11:	ldw	4(%r25), %r23
 	/* Load new value into fr4 for atomic store later */
-12:	flddx	0(%sr3,%r24), %fr4
+12:	flddx	0(%r24), %fr4
 #endif
 
 cas2_lock_start:
@@ -799,30 +794,30 @@ cas2_action:
 	ldo	1(%r0),%r28
 
 	/* 8bit CAS */
-13:	ldb,ma	0(%sr3,%r26), %r29
+13:	ldb,ma	0(%r26), %r29
 	sub,=	%r29, %r25, %r0
 	b,n	cas2_end
-14:	stb,ma	%r24, 0(%sr3,%r26)
+14:	stb,ma	%r24, 0(%r26)
 	b	cas2_end
 	copy	%r0, %r28
 	nop
 	nop
 
 	/* 16bit CAS */
-15:	ldh,ma	0(%sr3,%r26), %r29
+15:	ldh,ma	0(%r26), %r29
 	sub,=	%r29, %r25, %r0
 	b,n	cas2_end
-16:	sth,ma	%r24, 0(%sr3,%r26)
+16:	sth,ma	%r24, 0(%r26)
 	b	cas2_end
 	copy	%r0, %r28
 	nop
 	nop
 
 	/* 32bit CAS */
-17:	ldw,ma	0(%sr3,%r26), %r29
+17:	ldw,ma	0(%r26), %r29
 	sub,=	%r29, %r25, %r0
 	b,n	cas2_end
-18:	stw,ma	%r24, 0(%sr3,%r26)
+18:	stw,ma	%r24, 0(%r26)
 	b	cas2_end
 	copy	%r0, %r28
 	nop
@@ -830,22 +825,22 @@ cas2_action:
 
 	/* 64bit CAS */
 #ifdef CONFIG_64BIT
-19:	ldd,ma	0(%sr3,%r26), %r29
+19:	ldd,ma	0(%r26), %r29
 	sub,*=	%r29, %r25, %r0
 	b,n	cas2_end
-20:	std,ma	%r24, 0(%sr3,%r26)
+20:	std,ma	%r24, 0(%r26)
 	copy	%r0, %r28
 #else
 	/* Compare first word */
-19:	ldw,ma	0(%sr3,%r26), %r29
+19:	ldw	0(%r26), %r29
 	sub,=	%r29, %r22, %r0
 	b,n	cas2_end
 	/* Compare second word */
-20:	ldw,ma	4(%sr3,%r26), %r29
+20:	ldw	4(%r26), %r29
 	sub,=	%r29, %r23, %r0
 	b,n	cas2_end
 	/* Perform the store */
-21:	fstdx	%fr4, 0(%sr3,%r26)
+21:	fstdx	%fr4, 0(%r26)
 	copy	%r0, %r28
 #endif