Merge 4.5-rc4 into tty-next

We want the fixes in here, and this resolves a merge error in tty_io.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

15 files changed, 83 insertions, 40 deletions

diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt
index 65b3eac8856c..ff49cf901148 100644
--- a/Documentation/cgroup-v2.txt
+++ b/Documentation/cgroup-v2.txt
@@ -7,7 +7,7 @@ This is the authoritative documentation on the design, interface and
 conventions of cgroup v2.  It describes all userland-visible aspects
 of cgroup including core and specific controller behaviors.  All
 future changes must be reflected in this document.  Documentation for
-v1 is available under Documentation/cgroup-legacy/.
+v1 is available under Documentation/cgroup-v1/.
 
 CONTENTS
 
@@ -843,6 +843,10 @@ PAGE_SIZE multiple when read back.
 		Amount of memory used to cache filesystem data,
 		including tmpfs and shared memory.
 
+	  sock
+
+		Amount of memory used in network transmission buffers
+
 	  file_mapped
 
 		Amount of cached filesystem data mapped with mmap()
diff --git a/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt b/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt
index 451fef26b4df..10587bdadbbe 100644
--- a/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt
+++ b/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt
@@ -68,7 +68,7 @@ ethernet@f0b60000 {
 		phy1: ethernet-phy@1 {
 			max-speed = <1000>;
 			reg = <0x1>;
-			compatible = "brcm,28nm-gphy", "ethernet-phy-ieee802.3-c22";
+			compatible = "ethernet-phy-ieee802.3-c22";
 		};
 	};
 };
@@ -115,7 +115,7 @@ ethernet@f0ba0000 {
 		phy0: ethernet-phy@0 {
 			max-speed = <1000>;
 			reg = <0x0>;
-			compatible = "brcm,bcm53125", "ethernet-phy-ieee802.3-c22";
+			compatible = "ethernet-phy-ieee802.3-c22";
 		};
 	};
 };
diff --git a/Documentation/devicetree/bindings/net/hisilicon-hns-dsaf.txt b/Documentation/devicetree/bindings/net/hisilicon-hns-dsaf.txt
index 80411b2f0490..ecacfa44b1eb 100644
--- a/Documentation/devicetree/bindings/net/hisilicon-hns-dsaf.txt
+++ b/Documentation/devicetree/bindings/net/hisilicon-hns-dsaf.txt
@@ -4,8 +4,6 @@ Required properties:
 - compatible: should be "hisilicon,hns-dsaf-v1" or "hisilicon,hns-dsaf-v2".
   "hisilicon,hns-dsaf-v1" is for hip05.
   "hisilicon,hns-dsaf-v2" is for Hi1610 and Hi1612.
-- dsa-name: dsa fabric name who provide this interface.
-  should be "dsafX", X is the dsaf id.
 - mode: dsa fabric mode string. only support one of dsaf modes like these:
 		"2port-64vf",
 		"6port-16rss",
@@ -26,9 +24,8 @@ Required properties:
 
 Example:
 
-dsa: dsa@c7000000 {
+dsaf0: dsa@c7000000 {
 	compatible = "hisilicon,hns-dsaf-v1";
-	dsa_name = "dsaf0";
 	mode = "6port-16rss";
 	interrupt-parent = <&mbigen_dsa>;
 	reg = <0x0 0xC0000000 0x0 0x420000
diff --git a/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt b/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt
index 41d19be7011e..e6a9d1c30878 100644
--- a/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt
+++ b/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt
@@ -4,8 +4,9 @@ Required properties:
 - compatible: "hisilicon,hns-nic-v1" or "hisilicon,hns-nic-v2".
   "hisilicon,hns-nic-v1" is for hip05.
   "hisilicon,hns-nic-v2" is for Hi1610 and Hi1612.
-- ae-name: accelerator name who provides this interface,
-  is simply a name referring to the name of name in the accelerator node.
+- ae-handle: accelerator engine handle for hns,
+  specifies a reference to the associating hardware driver node.
+  see Documentation/devicetree/bindings/net/hisilicon-hns-dsaf.txt
 - port-id: is the index of port provided by DSAF (the accelerator). DSAF can
   connect to 8 PHYs. Port 0 to 1 are both used for adminstration purpose. They
   are called debug ports.
@@ -41,7 +42,7 @@ Example:
 
 	ethernet@0{
 		compatible = "hisilicon,hns-nic-v1";
-		ae-name = "dsaf0";
+		ae-handle = <&dsaf0>;
 		port-id = <0>;
 		local-mac-address = [a2 14 e4 4b 56 76];
 	};
diff --git a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt
index aeea50c84e92..d0cb8693963b 100644
--- a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt
+++ b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt
@@ -6,12 +6,17 @@ Required properties:
 - interrupts: interrupt for the device
 - phy: See ethernet.txt file in the same directory.
 - phy-mode: See ethernet.txt file in the same directory
-- clocks: a pointer to the reference clock for this device.
+- clocks: List of clocks for this device. At least one clock is
+  mandatory for the core clock. If several clocks are given, then the
+  clock-names property must be used to identify them.
 
 Optional properties:
 - tx-csum-limit: maximum mtu supported by port that allow TX checksum.
   Value is presented in bytes. If not used, by default 1600B is set for
   "marvell,armada-370-neta" and 9800B for others.
+- clock-names: List of names corresponding to clocks property; shall be
+  "core" for core clock and "bus" for the optional bus clock.
+
 
 Example:
 
diff --git a/Documentation/devicetree/bindings/net/mdio-mux-gpio.txt b/Documentation/devicetree/bindings/net/mdio-mux-gpio.txt
index 79384113c2b0..694987d3c17a 100644
--- a/Documentation/devicetree/bindings/net/mdio-mux-gpio.txt
+++ b/Documentation/devicetree/bindings/net/mdio-mux-gpio.txt
@@ -38,7 +38,6 @@ Example :
 
 			phy11: ethernet-phy@1 {
 				reg = <1>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -48,7 +47,6 @@ Example :
 			};
 			phy12: ethernet-phy@2 {
 				reg = <2>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -58,7 +56,6 @@ Example :
 			};
 			phy13: ethernet-phy@3 {
 				reg = <3>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -68,7 +65,6 @@ Example :
 			};
 			phy14: ethernet-phy@4 {
 				reg = <4>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -85,7 +81,6 @@ Example :
 
 			phy21: ethernet-phy@1 {
 				reg = <1>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -95,7 +90,6 @@ Example :
 			};
 			phy22: ethernet-phy@2 {
 				reg = <2>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -105,7 +99,6 @@ Example :
 			};
 			phy23: ethernet-phy@3 {
 				reg = <3>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -115,7 +108,6 @@ Example :
 			};
 			phy24: ethernet-phy@4 {
 				reg = <4>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
diff --git a/Documentation/devicetree/bindings/net/mdio-mux.txt b/Documentation/devicetree/bindings/net/mdio-mux.txt
index f65606f8d632..491f5bd55203 100644
--- a/Documentation/devicetree/bindings/net/mdio-mux.txt
+++ b/Documentation/devicetree/bindings/net/mdio-mux.txt
@@ -47,7 +47,6 @@ Example :
 
 			phy11: ethernet-phy@1 {
 				reg = <1>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -57,7 +56,6 @@ Example :
 			};
 			phy12: ethernet-phy@2 {
 				reg = <2>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -67,7 +65,6 @@ Example :
 			};
 			phy13: ethernet-phy@3 {
 				reg = <3>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -77,7 +74,6 @@ Example :
 			};
 			phy14: ethernet-phy@4 {
 				reg = <4>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -94,7 +90,6 @@ Example :
 
 			phy21: ethernet-phy@1 {
 				reg = <1>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -104,7 +99,6 @@ Example :
 			};
 			phy22: ethernet-phy@2 {
 				reg = <2>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -114,7 +108,6 @@ Example :
 			};
 			phy23: ethernet-phy@3 {
 				reg = <3>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
@@ -124,7 +117,6 @@ Example :
 			};
 			phy24: ethernet-phy@4 {
 				reg = <4>;
-				compatible = "marvell,88e1149r";
 				marvell,reg-init = <3 0x10 0 0x5777>,
 					<3 0x11 0 0x00aa>,
 					<3 0x12 0 0x4105>,
diff --git a/Documentation/devicetree/bindings/net/phy.txt b/Documentation/devicetree/bindings/net/phy.txt
index 525e1658f2da..bc1c3c8bf8fa 100644
--- a/Documentation/devicetree/bindings/net/phy.txt
+++ b/Documentation/devicetree/bindings/net/phy.txt
@@ -17,8 +17,7 @@ Optional Properties:
   "ethernet-phy-ieee802.3-c22" or "ethernet-phy-ieee802.3-c45" for
   PHYs that implement IEEE802.3 clause 22 or IEEE802.3 clause 45
   specifications. If neither of these are specified, the default is to
-  assume clause 22. The compatible list may also contain other
-  elements.
+  assume clause 22.
 
   If the phy's identifier is known then the list may contain an entry
   of the form: "ethernet-phy-idAAAA.BBBB" where
@@ -28,6 +27,9 @@ Optional Properties:
             4 hex digits. This is the chip vendor OUI bits 19:24,
             followed by 10 bits of a vendor specific ID.
 
+  The compatible list should not contain other values than those
+  listed here.
+
 - max-speed: Maximum PHY supported speed (10, 100, 1000...)
 
 - broken-turn-around: If set, indicates the PHY device does not correctly
diff --git a/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt b/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt
index 4e8b90e43dd8..07a75094c5a8 100644
--- a/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt
+++ b/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt
@@ -8,6 +8,7 @@ OHCI and EHCI controllers.
 Required properties:
 - compatible: "renesas,pci-r8a7790" for the R8A7790 SoC;
 	      "renesas,pci-r8a7791" for the R8A7791 SoC;
+	      "renesas,pci-r8a7793" for the R8A7793 SoC;
 	      "renesas,pci-r8a7794" for the R8A7794 SoC;
 	      "renesas,pci-rcar-gen2" for a generic R-Car Gen2 compatible device
 
diff --git a/Documentation/devicetree/bindings/pci/rcar-pci.txt b/Documentation/devicetree/bindings/pci/rcar-pci.txt
index 558fe528ae19..6cf99690eef9 100644
--- a/Documentation/devicetree/bindings/pci/rcar-pci.txt
+++ b/Documentation/devicetree/bindings/pci/rcar-pci.txt
@@ -4,6 +4,7 @@ Required properties:
 compatible: "renesas,pcie-r8a7779" for the R8A7779 SoC;
 	    "renesas,pcie-r8a7790" for the R8A7790 SoC;
 	    "renesas,pcie-r8a7791" for the R8A7791 SoC;
+	    "renesas,pcie-r8a7793" for the R8A7793 SoC;
 	    "renesas,pcie-r8a7795" for the R8A7795 SoC;
 	    "renesas,pcie-rcar-gen2" for a generic R-Car Gen2 compatible device.
 
diff --git a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt
index ce55c0a6f757..4da41bf1888e 100644
--- a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt
+++ b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt
@@ -30,6 +30,8 @@ The compatible list for this generic sound card currently:
  "fsl,imx-audio-sgtl5000"
  (compatible with Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt)
 
+ "fsl,imx-audio-wm8960"
+
 Required properties:
 
   - compatible		: Contains one of entries in the compatible list.
diff --git a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt
index 332e625f6ed0..e5ee3f159893 100644
--- a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt
@@ -1,8 +1,9 @@
 * Renesas R-Car Thermal
 
 Required properties:
-- compatible		: "renesas,thermal-<soctype>", "renesas,rcar-thermal"
-			  as fallback.
+- compatible		: "renesas,thermal-<soctype>",
+			   "renesas,rcar-gen2-thermal" (with thermal-zone) or
+			   "renesas,rcar-thermal" (without thermal-zone) as fallback.
 			  Examples with soctypes are:
 			    - "renesas,thermal-r8a73a4" (R-Mobile APE6)
 			    - "renesas,thermal-r8a7779" (R-Car H1)
@@ -36,3 +37,35 @@ thermal@e61f0000 {
 		0xe61f0300 0x38>;
 	interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>;
 };
+
+Example (with thermal-zone):
+
+thermal-zones {
+	cpu_thermal: cpu-thermal {
+		polling-delay-passive	= <1000>;
+		polling-delay		= <5000>;
+
+		thermal-sensors = <&thermal>;
+
+		trips {
+			cpu-crit {
+				temperature	= <115000>;
+				hysteresis	= <0>;
+				type		= "critical";
+			};
+		};
+		cooling-maps {
+		};
+	};
+};
+
+thermal: thermal@e61f0000 {
+	compatible =	"renesas,thermal-r8a7790",
+			"renesas,rcar-gen2-thermal",
+			"renesas,rcar-thermal";
+	reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0100 0 0x38>;
+	interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>;
+	clocks = <&mstp5_clks R8A7790_CLK_THERMAL>;
+	power-domains = <&cpg_clocks>;
+	#thermal-sensor-cells = <0>;
+};
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index fde9fd06fa98..843b045b4069 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -240,8 +240,8 @@ Table 1-2: Contents of the status files (as of 4.1)
  RssFile                     size of resident file mappings
  RssShmem                    size of resident shmem memory (includes SysV shm,
                              mapping of tmpfs and shared anonymous mappings)
- VmData                      size of data, stack, and text segments
- VmStk                       size of data, stack, and text segments
+ VmData                      size of private data segments
+ VmStk                       size of stack segments
  VmExe                       size of text segment
  VmLib                       size of shared library code
  VmPTE                       size of page table entries
@@ -356,7 +356,7 @@ address           perms offset  dev   inode      pathname
 a7cb1000-a7cb2000 ---p 00000000 00:00 0
 a7cb2000-a7eb2000 rw-p 00000000 00:00 0
 a7eb2000-a7eb3000 ---p 00000000 00:00 0
-a7eb3000-a7ed5000 rw-p 00000000 00:00 0          [stack:1001]
+a7eb3000-a7ed5000 rw-p 00000000 00:00 0
 a7ed5000-a8008000 r-xp 00000000 03:00 4222       /lib/libc.so.6
 a8008000-a800a000 r--p 00133000 03:00 4222       /lib/libc.so.6
 a800a000-a800b000 rw-p 00135000 03:00 4222       /lib/libc.so.6
@@ -388,7 +388,6 @@ is not associated with a file:
 
  [heap]                   = the heap of the program
  [stack]                  = the stack of the main process
- [stack:1001]             = the stack of the thread with tid 1001
  [vdso]                   = the "virtual dynamic shared object",
                             the kernel system call handler
 
@@ -396,10 +395,8 @@ is not associated with a file:
 
 The /proc/PID/task/TID/maps is a view of the virtual memory from the viewpoint
 of the individual tasks of a process. In this file you will see a mapping marked
-as [stack] if that task sees it as a stack. This is a key difference from the
-content of /proc/PID/maps, where you will see all mappings that are being used
-as stack by all of those tasks. Hence, for the example above, the task-level
-map, i.e. /proc/PID/task/TID/maps for thread 1001 will look like this:
+as [stack] if that task sees it as a stack. Hence, for the example above, the
+task-level map, i.e. /proc/PID/task/TID/maps for thread 1001 will look like this:
 
 08048000-08049000 r-xp 00000000 03:00 8312       /opt/test
 08049000-0804a000 rw-p 00001000 03:00 8312       /opt/test
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 87d40a72f6a1..9a53c929f017 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1496,6 +1496,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			could change it dynamically, usually by
 			/sys/module/printk/parameters/ignore_loglevel.
 
+	ignore_rlimit_data
+			Ignore RLIMIT_DATA setting for data mappings,
+			print warning at first misuse.  Can be changed via
+			/sys/module/kernel/parameters/ignore_rlimit_data.
+
 	ihash_entries=	[KNL]
 			Set number of hash buckets for inode cache.
 
@@ -4230,6 +4235,17 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			The default value of this parameter is determined by
 			the config option CONFIG_WQ_POWER_EFFICIENT_DEFAULT.
 
+	workqueue.debug_force_rr_cpu
+			Workqueue used to implicitly guarantee that work
+			items queued without explicit CPU specified are put
+			on the local CPU.  This guarantee is no longer true
+			and while local CPU is still preferred work items
+			may be put on foreign CPUs.  This debug option
+			forces round-robin CPU selection to flush out
+			usages which depend on the now broken guarantee.
+			When enabled, memory and cache locality will be
+			impacted.
+
 	x2apic_phys	[X86-64,APIC] Use x2apic physical mode instead of
 			default x2apic cluster mode on platforms
 			supporting x2apic.
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index ceb44a095a27..73b36d7c7b0d 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -594,7 +594,7 @@ tcp_fastopen - INTEGER
 
 tcp_syn_retries - INTEGER
 	Number of times initial SYNs for an active TCP connection attempt
-	will be retransmitted. Should not be higher than 255. Default value
+	will be retransmitted. Should not be higher than 127. Default value
 	is 6, which corresponds to 63seconds till the last retransmission
 	with the current initial RTO of 1second. With this the final timeout
 	for an active TCP connection attempt will happen after 127seconds.