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Commit e1a8babe authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

Merge 4.9.167 into android-4.9 



Changes in 4.9.167
	Bluetooth: Check L2CAP option sizes returned from l2cap_get_conf_opt
	Bluetooth: Verify that l2cap_get_conf_opt provides large enough buffer
	video: fbdev: Set pixclock = 0 in goldfishfb
	cfg80211: size various nl80211 messages correctly
	stmmac: copy unicast mac address to MAC registers
	dccp: do not use ipv6 header for ipv4 flow
	mISDN: hfcpci: Test both vendor & device ID for Digium HFC4S
	net/packet: Set __GFP_NOWARN upon allocation in alloc_pg_vec
	net: rose: fix a possible stack overflow
	packets: Always register packet sk in the same order
	tcp: do not use ipv6 header for ipv4 flow
	vxlan: Don't call gro_cells_destroy() before device is unregistered
	sctp: get sctphdr by offset in sctp_compute_cksum
	mac8390: Fix mmio access size probe
	tun: properly test for IFF_UP
	tun: add a missing rcu_read_unlock() in error path
	btrfs: remove WARN_ON in log_dir_items
	btrfs: raid56: properly unmap parity page in finish_parity_scrub()
	ARM: imx6q: cpuidle: fix bug that CPU might not wake up at expected time
	powerpc: bpf: Fix generation of load/store DW instructions
	NFSv4.1 don't free interrupted slot on open
	net: dsa: qca8k: remove leftover phy accessors
	ALSA: rawmidi: Fix potential Spectre v1 vulnerability
	ALSA: seq: oss: Fix Spectre v1 vulnerability
	ALSA: pcm: Fix possible OOB access in PCM oss plugins
	ALSA: pcm: Don't suspend stream in unrecoverable PCM state
	fs/open.c: allow opening only regular files during execve()
	scsi: sd: Fix a race between closing an sd device and sd I/O
	scsi: sd: Quiesce warning if device does not report optimal I/O size
	scsi: zfcp: fix rport unblock if deleted SCSI devices on Scsi_Host
	scsi: zfcp: fix scsi_eh host reset with port_forced ERP for non-NPIV FCP devices
	tty: atmel_serial: fix a potential NULL pointer dereference
	staging: comedi: ni_mio_common: Fix divide-by-zero for DIO cmdtest
	staging: vt6655: Remove vif check from vnt_interrupt
	staging: vt6655: Fix interrupt race condition on device start up.
	serial: max310x: Fix to avoid potential NULL pointer dereference
	serial: sh-sci: Fix setting SCSCR_TIE while transferring data
	USB: serial: cp210x: add new device id
	USB: serial: ftdi_sio: add additional NovaTech products
	USB: serial: mos7720: fix mos_parport refcount imbalance on error path
	USB: serial: option: set driver_info for SIM5218 and compatibles
	USB: serial: option: add Olicard 600
	Disable kgdboc failed by echo space to /sys/module/kgdboc/parameters/kgdboc
	fs/proc/proc_sysctl.c: fix NULL pointer dereference in put_links
	gpio: adnp: Fix testing wrong value in adnp_gpio_direction_input
	usb: common: Consider only available nodes for dr_mode
	usb: host: xhci-rcar: Add XHCI_TRUST_TX_LENGTH quirk
	perf intel-pt: Fix TSC slip
	cpu/hotplug: Prevent crash when CPU bringup fails on CONFIG_HOTPLUG_CPU=n
	x86/smp: Enforce CONFIG_HOTPLUG_CPU when SMP=y
	KVM: Reject device ioctls from processes other than the VM's creator
	KVM: x86: Emulate MSR_IA32_ARCH_CAPABILITIES on AMD hosts
	USB: gadget: f_hid: fix deadlock in f_hidg_write()
	xhci: Fix port resume done detection for SS ports with LPM enabled
	Revert "USB: core: only clean up what we allocated"
	arm64: support keyctl() system call in 32-bit mode
	Linux 4.9.167

Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parents 5f5c1657 21834d3e

Documentation/virtual/kvm/api.txt

+11 −5
Original line number Diff line number Diff line
@@ -13,7 +13,7 @@ of a virtual machine. The ioctls belong to three classes 


 - VM ioctls: These query and set attributes that affect an entire virtual

   machine, for example memory layout.  In addition a VM ioctl is used to

   create virtual cpus (vcpus).

   create virtual cpus (vcpus) and devices.



   Only run VM ioctls from the same process (address space) that was used

   to create the VM.
@@ -24,6 +24,11 @@ of a virtual machine. The ioctls belong to three classes 
   Only run vcpu ioctls from the same thread that was used to create the

   vcpu.



 - device ioctls: These query and set attributes that control the operation

   of a single device.



   device ioctls must be issued from the same process (address space) that

   was used to create the VM.



2. File descriptors

-------------------
@@ -32,10 +37,11 @@ The kvm API is centered around file descriptors. An initial 
open("/dev/kvm") obtains a handle to the kvm subsystem; this handle

can be used to issue system ioctls.  A KVM_CREATE_VM ioctl on this

handle will create a VM file descriptor which can be used to issue VM

ioctls.  A KVM_CREATE_VCPU ioctl on a VM fd will create a virtual cpu

and return a file descriptor pointing to it.  Finally, ioctls on a vcpu

fd can be used to control the vcpu, including the important task of

actually running guest code.

ioctls.  A KVM_CREATE_VCPU or KVM_CREATE_DEVICE ioctl on a VM fd will

create a virtual cpu or device and return a file descriptor pointing to

the new resource.  Finally, ioctls on a vcpu or device fd can be used

to control the vcpu or device.  For vcpus, this includes the important

task of actually running guest code.



In general file descriptors can be migrated among processes by means

of fork() and the SCM_RIGHTS facility of unix domain socket.  These

Makefile

+1 −1
Original line number Diff line number Diff line 
VERSION = 4

PATCHLEVEL = 9

SUBLEVEL = 166

SUBLEVEL = 167

EXTRAVERSION =

NAME = Roaring Lionus

arch/arm/mach-imx/cpuidle-imx6q.c

+10 −17
Original line number Diff line number Diff line
@@ -16,30 +16,23 @@ 
#include "cpuidle.h"

#include "hardware.h"



static atomic_t master = ATOMIC_INIT(0);

static DEFINE_SPINLOCK(master_lock);

static int num_idle_cpus = 0;

static DEFINE_SPINLOCK(cpuidle_lock);



static int imx6q_enter_wait(struct cpuidle_device *dev,

			    struct cpuidle_driver *drv, int index)

{

	if (atomic_inc_return(&master) == num_online_cpus()) {

		/*

		 * With this lock, we prevent other cpu to exit and enter

		 * this function again and become the master.

		 */

		if (!spin_trylock(&master_lock))

			goto idle;

	spin_lock(&cpuidle_lock);

	if (++num_idle_cpus == num_online_cpus())

		imx6_set_lpm(WAIT_UNCLOCKED);

		cpu_do_idle();

		imx6_set_lpm(WAIT_CLOCKED);

		spin_unlock(&master_lock);

		goto done;

	}

	spin_unlock(&cpuidle_lock);



idle:

	cpu_do_idle();

done:

	atomic_dec(&master);



	spin_lock(&cpuidle_lock);

	if (num_idle_cpus-- == num_online_cpus())

		imx6_set_lpm(WAIT_CLOCKED);

	spin_unlock(&cpuidle_lock);



	return index;

}

arch/arm64/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -1142,6 +1142,10 @@ config SYSVIPC_COMPAT 
	def_bool y

	depends on COMPAT && SYSVIPC



config KEYS_COMPAT

	def_bool y

	depends on COMPAT && KEYS



endmenu



menu "Power management options"

arch/powerpc/include/asm/ppc-opcode.h

+2 −0
Original line number Diff line number Diff line
@@ -225,6 +225,7 @@ 
/* Misc instructions for BPF compiler */

#define PPC_INST_LBZ			0x88000000

#define PPC_INST_LD			0xe8000000

#define PPC_INST_LDX			0x7c00002a

#define PPC_INST_LHZ			0xa0000000

#define PPC_INST_LWZ			0x80000000

#define PPC_INST_LHBRX			0x7c00062c
@@ -232,6 +233,7 @@ 
#define PPC_INST_STB			0x98000000

#define PPC_INST_STH			0xb0000000

#define PPC_INST_STD			0xf8000000

#define PPC_INST_STDX			0x7c00012a

#define PPC_INST_STDU			0xf8000001

#define PPC_INST_STW			0x90000000

#define PPC_INST_STWU			0x94000000