Merge pull request torvalds#382 from libos-nuse/merge-linux-4.13

Merge linux 4.13

.gitignore

@@ -33,6 +33,7 @@
 *.lzo
 *.patch
 *.gcno
+*.ll
 modules.builtin
 Module.symvers
 *.dwo

.mailmap

@@ -111,6 +111,7 @@ Mauro Carvalho Chehab <mchehab@kernel.org> <mchehab@osg.samsung.com>
 Mauro Carvalho Chehab <mchehab@kernel.org> <mchehab@s-opensource.com>
 Matt Ranostay <mranostay@gmail.com> Matthew Ranostay <mranostay@embeddedalley.com>
 Matt Ranostay <mranostay@gmail.com> <matt.ranostay@intel.com>
+Matt Ranostay <matt.ranostay@konsulko.com> <matt@ranostay.consulting>
 Mayuresh Janorkar <mayur@ti.com>
 Michael Buesch <m@bues.ch>
 Michel Dänzer <michel@tungstengraphics.com>
@@ -145,6 +146,8 @@ Santosh Shilimkar <ssantosh@kernel.org>
 Santosh Shilimkar <santosh.shilimkar@oracle.org>
 Sascha Hauer <s.hauer@pengutronix.de>
 S.Çağlar Onur <caglar@pardus.org.tr>
+Sebastian Reichel <sre@kernel.org> <sre@debian.org>
+Sebastian Reichel <sre@kernel.org> <sebastian.reichel@collabora.co.uk>
 Shiraz Hashim <shiraz.linux.kernel@gmail.com> <shiraz.hashim@st.com>
 Shuah Khan <shuah@kernel.org> <shuahkhan@gmail.com>
 Shuah Khan <shuah@kernel.org> <shuah.khan@hp.com>

CREDITS

@@ -1034,6 +1034,10 @@ S: 2037 Walnut #6
 S: Boulder, Colorado 80302
 S: USA
 
+N: Hans-Christian Noren Egtvedt
+E: egtvedt@samfundet.no
+D: AVR32 architecture maintainer.
+
 N: Heiko Eißfeldt
 E: heiko@colossus.escape.de heiko@unifix.de
 D: verify_area stuff, generic SCSI fixes
@@ -3398,6 +3402,10 @@ S: Suite 101
 S: Markham, Ontario L3R 2Z6
 S: Canada
 
+N: Haavard Skinnemoen
+M: Haavard Skinnemoen <hskinnemoen@gmail.com>
+D: AVR32 architecture port to Linux and maintainer.
+
 N: Rick Sladkey
 E: jrs@world.std.com
 D: utility hacker: Emacs, NFS server, mount, kmem-ps, UPS debugger, strace, GDB

Documentation/00-INDEX

@@ -24,8 +24,6 @@ DMA-ISA-LPC.txt
 	- How to do DMA with ISA (and LPC) devices.
 DMA-attributes.txt
 	- listing of the various possible attributes a DMA region can have
-DocBook/
-	- directory with DocBook templates etc. for kernel documentation.
 EDID/
 	- directory with info on customizing EDID for broken gfx/displays.
 IPMI.txt
@@ -40,8 +38,6 @@ Intel-IOMMU.txt
 	- basic info on the Intel IOMMU virtualization support.
 Makefile
 	- It's not of interest for those who aren't touching the build system.
-Makefile.sphinx
-	- It's not of interest for those who aren't touching the build system.
 PCI/
 	- info related to PCI drivers.
 RCU/
@@ -246,8 +242,6 @@ kprobes.txt
 	- documents the kernel probes debugging feature.
 kref.txt
 	- docs on adding reference counters (krefs) to kernel objects.
-kselftest.txt
-	- small unittests for (some) individual codepaths in the kernel.
 laptops/
 	- directory with laptop related info and laptop driver documentation.
 ldm.txt
@@ -264,6 +258,8 @@ logo.gif
 	- full colour GIF image of Linux logo (penguin - Tux).
 logo.txt
 	- info on creator of above logo & site to get additional images from.
+lsm.txt
+	- Linux Security Modules: General Security Hooks for Linux
 lzo.txt
 	- kernel LZO decompressor input formats
 m68k/
@@ -412,6 +408,8 @@ sysctl/
 	- directory with info on the /proc/sys/* files.
 target/
 	- directory with info on generating TCM v4 fabric .ko modules
+tee.txt
+	- info on the TEE subsystem and drivers
 this_cpu_ops.txt
 	- List rationale behind and the way to use this_cpu operations.
 thermal/

Documentation/ABI/obsolete/sysfs-firmware-acpi

@@ -0,0 +1,8 @@
+What:		/sys/firmware/acpi/hotplug/force_remove
+Date:		Mar 2017
+Contact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+Description:
+		Since the force_remove is inherently broken and dangerous to
+		use for some hotplugable resources like memory (because ignoring
+		the offline failure might lead to memory corruption and crashes)
+		enabling this knob is not safe and thus unsupported.

Documentation/ABI/stable/sysfs-bus-usb

@@ -9,7 +9,7 @@ Description:
 		hubs this facility is always enabled and their device
 		directories will not contain this file.
 
-		For more information, see Documentation/usb/persist.txt.
+		For more information, see Documentation/driver-api/usb/persist.rst.
 
 What:		/sys/bus/usb/devices/.../power/autosuspend
 Date:		March 2007

Documentation/ABI/stable/sysfs-class-udc

@@ -55,14 +55,6 @@ Description:
 		Indicates the maximum USB speed supported by this port.
 Users:
 
-What:		/sys/class/udc/<udc>/maximum_speed
-Date:		June 2011
-KernelVersion:	3.1
-Contact:	Felipe Balbi <balbi@kernel.org>
-Description:
-		Indicates the maximum USB speed supported by this port.
-Users:
-
 What:		/sys/class/udc/<udc>/soft_connect
 Date:		June 2011
 KernelVersion:	3.1
@@ -91,3 +83,11 @@ Description:
 		'configured', and 'suspended'; however not all USB Device
 		Controllers support reporting all states.
 Users:
+
+What:		/sys/class/udc/<udc>/function
+Date:		June 2017
+KernelVersion:	4.13
+Contact:	Felipe Balbi <balbi@kernel.org>
+Description:
+		Prints out name of currently running USB Gadget Driver.
+Users:

Documentation/ABI/stable/sysfs-driver-aspeed-vuart

@@ -0,0 +1,15 @@
+What:		/sys/bus/platform/drivers/aspeed-vuart/*/lpc_address
+Date:		April 2017
+Contact:	Jeremy Kerr <jk@ozlabs.org>
+Description:	Configures which IO port the host side of the UART
+		will appear on the host <-> BMC LPC bus.
+Users:		OpenBMC.  Proposed changes should be mailed to
+		openbmc@lists.ozlabs.org
+
+What:		/sys/bus/platform/drivers/aspeed-vuart*/sirq
+Date:		April 2017
+Contact:	Jeremy Kerr <jk@ozlabs.org>
+Description:	Configures which interrupt number the host side of
+		the UART will appear on the host <-> BMC LPC bus.
+Users:		OpenBMC.  Proposed changes should be mailed to
+		openbmc@lists.ozlabs.org

Documentation/ABI/stable/sysfs-hypervisor-xen

@@ -0,0 +1,119 @@
+What:		/sys/hypervisor/compilation/compile_date
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		Contains the build time stamp of the Xen hypervisor
+		Might return "<denied>" in case of special security settings
+		in the hypervisor.
+
+What:		/sys/hypervisor/compilation/compiled_by
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		Contains information who built the Xen hypervisor
+		Might return "<denied>" in case of special security settings
+		in the hypervisor.
+
+What:		/sys/hypervisor/compilation/compiler
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		Compiler which was used to build the Xen hypervisor
+		Might return "<denied>" in case of special security settings
+		in the hypervisor.
+
+What:		/sys/hypervisor/properties/capabilities
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		Space separated list of supported guest system types. Each type
+		is in the format: <class>-<major>.<minor>-<arch>
+		With:
+			<class>: "xen" -- x86: paravirtualized, arm: standard
+				 "hvm" -- x86 only: fully virtualized
+			<major>: major guest interface version
+			<minor>: minor guest interface version
+			<arch>:  architecture, e.g.:
+				 "x86_32": 32 bit x86 guest without PAE
+				 "x86_32p": 32 bit x86 guest with PAE
+				 "x86_64": 64 bit x86 guest
+				 "armv7l": 32 bit arm guest
+				 "aarch64": 64 bit arm guest
+
+What:		/sys/hypervisor/properties/changeset
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		Changeset of the hypervisor (git commit)
+		Might return "<denied>" in case of special security settings
+		in the hypervisor.
+
+What:		/sys/hypervisor/properties/features
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		Features the Xen hypervisor supports for the guest as defined
+		in include/xen/interface/features.h printed as a hex value.
+
+What:		/sys/hypervisor/properties/pagesize
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		Default page size of the hypervisor printed as a hex value.
+		Might return "0" in case of special security settings
+		in the hypervisor.
+
+What:		/sys/hypervisor/properties/virtual_start
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		Virtual address of the hypervisor as a hex value.
+
+What:		/sys/hypervisor/type
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		Type of hypervisor:
+		"xen": Xen hypervisor
+
+What:		/sys/hypervisor/uuid
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		UUID of the guest as known to the Xen hypervisor.
+
+What:		/sys/hypervisor/version/extra
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		The Xen version is in the format <major>.<minor><extra>
+		This is the <extra> part of it.
+		Might return "<denied>" in case of special security settings
+		in the hypervisor.
+
+What:		/sys/hypervisor/version/major
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		The Xen version is in the format <major>.<minor><extra>
+		This is the <major> part of it.
+
+What:		/sys/hypervisor/version/minor
+Date:		March 2009
+KernelVersion:	2.6.30
+Contact:	xen-devel@lists.xenproject.org
+Description:	If running under Xen:
+		The Xen version is in the format <major>.<minor><extra>
+		This is the <minor> part of it.

Documentation/ABI/stable/vdso

@@ -16,7 +16,8 @@ The vDSO uses symbol versioning; whenever you request a symbol from the
 vDSO, specify the version you are expecting.
 
 Programs that dynamically link to glibc will use the vDSO automatically.
-Otherwise, you can use the reference parser in Documentation/vDSO/parse_vdso.c.
+Otherwise, you can use the reference parser in
+tools/testing/selftests/vDSO/parse_vdso.c.
 
 Unless otherwise noted, the set of symbols with any given version and the
 ABI of those symbols is considered stable.  It may vary across architectures,

Documentation/ABI/testing/configfs-usb-gadget-uac1

@@ -1,12 +1,14 @@
 What:		/config/usb-gadget/gadget/functions/uac1.name
-Date:		Sep 2014
-KernelVersion:	3.18
+Date:		June 2017
+KernelVersion:	4.14
 Description:
 		The attributes:
 
-		audio_buf_size - audio buffer size
-		fn_cap - capture pcm device file name
-		fn_cntl - control device file name
-		fn_play - playback pcm device file name
-		req_buf_size - ISO OUT endpoint request buffer size
-		req_count - ISO OUT endpoint request count
+		c_chmask - capture channel mask
+		c_srate - capture sampling rate
+		c_ssize - capture sample size (bytes)
+		p_chmask - playback channel mask
+		p_srate - playback sampling rate
+		p_ssize - playback sample size (bytes)
+		req_number - the number of pre-allocated request
+			for both capture and playback

Documentation/ABI/testing/configfs-usb-gadget-uac1_legacy

@@ -0,0 +1,12 @@
+What:		/config/usb-gadget/gadget/functions/uac1_legacy.name
+Date:		Sep 2014
+KernelVersion:	3.18
+Description:
+		The attributes:
+
+		audio_buf_size - audio buffer size
+		fn_cap - capture pcm device file name
+		fn_cntl - control device file name
+		fn_play - playback pcm device file name
+		req_buf_size - ISO OUT endpoint request buffer size
+		req_count - ISO OUT endpoint request count

Documentation/ABI/testing/ima_policy

@@ -34,9 +34,10 @@ Description:
 			fsuuid:= file system UUID (e.g 8bcbe394-4f13-4144-be8e-5aa9ea2ce2f6)
 			uid:= decimal value
 			euid:= decimal value
-			fowner:=decimal value
+			fowner:= decimal value
 		lsm:  	are LSM specific
 		option:	appraise_type:= [imasig]
+			pcr:= decimal value
 
 		default policy:
 			# PROC_SUPER_MAGIC
@@ -96,3 +97,8 @@ Description:
 
 		Smack:
 			measure subj_user=_ func=FILE_CHECK mask=MAY_READ
+
+		Example of measure rules using alternate PCRs:
+
+			measure func=KEXEC_KERNEL_CHECK pcr=4
+			measure func=KEXEC_INITRAMFS_CHECK pcr=5

Documentation/ABI/testing/sysfs-block

@@ -213,14 +213,8 @@ What:		/sys/block/<disk>/queue/discard_zeroes_data
 Date:		May 2011
 Contact:	Martin K. Petersen <martin.petersen@oracle.com>
 Description:
-		Devices that support discard functionality may return
-		stale or random data when a previously discarded block
-		is read back. This can cause problems if the filesystem
-		expects discarded blocks to be explicitly cleared. If a
-		device reports that it deterministically returns zeroes
-		when a discarded area is read the discard_zeroes_data
-		parameter will be set to one. Otherwise it will be 0 and
-		the result of reading a discarded area is undefined.
+		Will always return 0.  Don't rely on any specific behavior
+		for discards, and don't read this file.
 
 What:		/sys/block/<disk>/queue/write_same_max_bytes
 Date:		January 2012

Documentation/ABI/testing/sysfs-bus-fsi

@@ -0,0 +1,38 @@
+What:           /sys/bus/platform/devices/fsi-master/rescan
+Date:		May 2017
+KernelVersion:  4.12
+Contact:        cbostic@linux.vnet.ibm.com
+Description:
+                Initiates a FSI master scan for all connected slave devices
+		on its links.
+
+What:           /sys/bus/platform/devices/fsi-master/break
+Date:		May 2017
+KernelVersion:  4.12
+Contact:        cbostic@linux.vnet.ibm.com
+Description:
+		Sends an FSI BREAK command on a master's communication
+		link to any connnected slaves.  A BREAK resets connected
+		device's logic and preps it to receive further commands
+		from the master.
+
+What:           /sys/bus/platform/devices/fsi-master/slave@00:00/term
+Date:		May 2017
+KernelVersion:  4.12
+Contact:        cbostic@linux.vnet.ibm.com
+Description:
+		Sends an FSI terminate command from the master to its
+		connected slave. A terminate resets the slave's state machines
+		that control access to the internally connected engines.  In
+		addition the slave freezes its internal error register for
+		debugging purposes.  This command is also needed to abort any
+		ongoing operation in case of an expired 'Master Time Out'
+		timer.
+
+What:           /sys/bus/platform/devices/fsi-master/slave@00:00/raw
+Date:		May 2017
+KernelVersion:  4.12
+Contact:        cbostic@linux.vnet.ibm.com
+Description:
+		Provides a means of reading/writing a 32 bit value from/to a
+		specified FSI bus address.