KVM/ARM Fixes for v4.7-rc2

Fixes for the vgic, 2 of the patches address a bug introduced in v4.6 while the rest are for the new vgic. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJXUAe1AAoJEEtpOizt6ddyTr8H/R6fBFWjdd6BTEm95aPl50bs jtiXqahVPL6Dk3WNI4fyyWD1bdi+ZgAAOKrgYjbRMQqUR7xZIk/qjm/6BzYsscQF RbKa72OMYC1PF+SAK1oopG1lrFxBoC9SXOnkZ3isIeBX7FB0nVYpyQ1jLEHmi7an rd1KjhUNFCLQ2NAPWxUiOQPYubPWVuAgMaj4f37JOOuRBgpV3m942MMQNo3IAO9Q xpbMCyAl1sv9bfa0FXzVhFWft0+0Lls+KDoYo0/PfnqgxTxGQaGiVZqighlONNTg Fp3B3EOWhcga7rFPJnBjxAaXGV8QrHm4DvPQ5I82R5r4I46Ymf/S9rRHZ2h3ly8= =Vx54 -----END PGP SIGNATURE----- Merge tag 'kvm-arm-for-v4.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm KVM/ARM Fixes for v4.7-rc2 Fixes for the vgic, 2 of the patches address a bug introduced in v4.6 while the rest are for the new vgic.
2024-12-30 13:38:40 +00:00 · 2016-06-02 17:28:04 +02:00 · 2016-06-02 17:28:04 +02:00 · 13e98fd1ef
commit 13e98fd1ef
parent e28e909c36 05fb05a6ca
571 changed files with 15479 additions and 6590 deletions
--- a/Documentation/ABI/stable/sysfs-class-ubi
+++ b/Documentation/ABI/stable/sysfs-class-ubi
@ -107,6 +107,15 @@ Contact:	Artem Bityutskiy <dedekind@infradead.org>
 Description:
 		Number of physical eraseblocks reserved for bad block handling.

+What:		/sys/class/ubi/ubiX/ro_mode
+Date:		April 2016
+KernelVersion:	4.7
+Contact:	linux-mtd@lists.infradead.org
+Description:
+		Contains ASCII "1\n" if the read-only flag is set on this
+		device, and "0\n" if it is cleared. UBI devices mark themselves
+		as read-only when they detect an unrecoverable error.
+
 What:		/sys/class/ubi/ubiX/total_eraseblocks
 Date:		July 2006
 KernelVersion:	2.6.22
--- a/Documentation/DocBook/gpu.tmpl
+++ b/Documentation/DocBook/gpu.tmpl
@ -1626,6 +1626,12 @@ void intel_crt_init(struct drm_device *dev)
 !Pdrivers/gpu/drm/drm_dp_helper.c dp helpers
 !Iinclude/drm/drm_dp_helper.h
 !Edrivers/gpu/drm/drm_dp_helper.c
+    </sect2>
+    <sect2>
+      <title>Display Port Dual Mode Adaptor Helper Functions Reference</title>
+!Pdrivers/gpu/drm/drm_dp_dual_mode_helper.c dp dual mode helpers
+!Iinclude/drm/drm_dp_dual_mode_helper.h
+!Edrivers/gpu/drm/drm_dp_dual_mode_helper.c
    </sect2>
    <sect2>
      <title>Display Port MST Helper Functions Reference</title>
--- a/Documentation/devicetree/bindings/gpio/microchip,pic32-gpio.txt
+++ b/Documentation/devicetree/bindings/gpio/microchip,pic32-gpio.txt
@ -33,7 +33,7 @@ gpio0: gpio0@1f860000 {
 	gpio-controller;
 	interrupt-controller;
 	#interrupt-cells = <2>;
-	clocks = <&PBCLK4>;
+	clocks = <&rootclk PB4CLK>;
 	microchip,gpio-bank = <0>;
 	gpio-ranges = <&pic32_pinctrl 0 0 16>;
 };
--- a/Documentation/devicetree/bindings/mips/cpu_irq.txt
+++ b/Documentation/devicetree/bindings/mips/cpu_irq.txt
@ -13,7 +13,7 @@ Required properties:
 - compatible : Should be "mti,cpu-interrupt-controller"

 Example devicetree:
-	cpu-irq: cpu-irq@0 {
+	cpu-irq: cpu-irq {
 		#address-cells = <0>;

 		interrupt-controller;
--- a/Documentation/devicetree/bindings/mmc/microchip,sdhci-pic32.txt
+++ b/Documentation/devicetree/bindings/mmc/microchip,sdhci-pic32.txt
@ -20,7 +20,7 @@ Example:
 		compatible = "microchip,pic32mzda-sdhci";
 		reg = <0x1f8ec000 0x100>;
 		interrupts = <191 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&REFCLKO4>, <&PBCLK5>;
+		clocks = <&rootclk REF4CLK>, <&rootclk PB5CLK>;
 		clock-names = "base_clk", "sys_clk";
 		bus-width = <4>;
 		cap-sd-highspeed;
--- a/Documentation/devicetree/bindings/mtd/atmel-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/atmel-nand.txt
@ -39,7 +39,7 @@ Optional properties:

 Nand Flash Controller(NFC) is an optional sub-node
 Required properties:
- compatible : "atmel,sama5d3-nfc" or "atmel,sama5d4-nfc".
+- compatible : "atmel,sama5d3-nfc".
 - reg : should specify the address and size used for NFC command registers,
        NFC registers and NFC SRAM. NFC SRAM address and size can be absent
        if don't want to use it.
--- a/Documentation/devicetree/bindings/mtd/nand.txt
+++ b/Documentation/devicetree/bindings/mtd/nand.txt
@ -53,7 +53,8 @@ Example:

 		nand@0 {
 			reg = <0>;
-			nand-ecc-mode = "soft_bch";
+			nand-ecc-mode = "soft";
+			nand-ecc-algo = "bch";

 			/* controller specific properties */
 		};
--- a/Documentation/devicetree/bindings/pinctrl/microchip,pic32-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/microchip,pic32-pinctrl.txt
@ -34,7 +34,7 @@ pic32_pinctrl: pinctrl@1f801400{
 	#size-cells = <1>;
 	compatible = "microchip,pic32mzda-pinctrl";
 	reg = <0x1f801400 0x400>;
-	clocks = <&PBCLK1>;
+	clocks = <&rootclk PB1CLK>;

 	pinctrl_uart2: pinctrl_uart2 {
 		uart2-tx {
--- a/Documentation/devicetree/bindings/serial/microchip,pic32-uart.txt
+++ b/Documentation/devicetree/bindings/serial/microchip,pic32-uart.txt
@ -20,7 +20,7 @@ Example:
 		interrupts = <112 IRQ_TYPE_LEVEL_HIGH>,
 			<113 IRQ_TYPE_LEVEL_HIGH>,
 			<114 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&PBCLK2>;
+		clocks = <&rootclk PB2CLK>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_uart1
 				&pinctrl_uart1_cts
--- a/Documentation/devicetree/bindings/sound/max98371.txt
+++ b/Documentation/devicetree/bindings/sound/max98371.txt
@ -0,0 +1,17 @@
+max98371 codec
+
+This device supports I2C mode only.
+
+Required properties:
+
+- compatible : "maxim,max98371"
+- reg : The chip select number on the I2C bus
+
+Example:
+
+&i2c {
+	max98371: max98371@0x31 {
+		compatible = "maxim,max98371";
+		reg = <0x31>;
+	};
+};
--- a/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt
+++ b/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt
@ -1,15 +1,16 @@
-MT8173 with RT5650 RT5676 CODECS
+MT8173 with RT5650 RT5676 CODECS and HDMI via I2S

 Required properties:
 - compatible : "mediatek,mt8173-rt5650-rt5676"
 - mediatek,audio-codec: the phandles of rt5650 and rt5676 codecs
+			and of the hdmi encoder node
 - mediatek,platform: the phandle of MT8173 ASoC platform

 Example:

 	sound {
 		compatible = "mediatek,mt8173-rt5650-rt5676";
-		mediatek,audio-codec = <&rt5650 &rt5676>;
+		mediatek,audio-codec = <&rt5650 &rt5676 &hdmi0>;
 		mediatek,platform = <&afe>;
 	};

--- a/Documentation/devicetree/bindings/sound/mt8173-rt5650.txt
+++ b/Documentation/devicetree/bindings/sound/mt8173-rt5650.txt
@ -5,11 +5,21 @@ Required properties:
 - mediatek,audio-codec: the phandles of rt5650 codecs
 - mediatek,platform: the phandle of MT8173 ASoC platform

+Optional subnodes:
+- codec-capture : the subnode of rt5650 codec capture
+Required codec-capture subnode properties:
+- sound-dai: audio codec dai name on capture path
+  <&rt5650 0> : Default setting. Connect rt5650 I2S1 for capture. (dai_name = rt5645-aif1)
+  <&rt5650 1> : Connect rt5650 I2S2 for capture. (dai_name = rt5645-aif2)
+
 Example:

 	sound {
 		compatible = "mediatek,mt8173-rt5650";
 		mediatek,audio-codec = <&rt5650>;
 		mediatek,platform = <&afe>;
+		codec-capture {
+			sound-dai = <&rt5650 1>;
+		};
 	};

--- a/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
+++ b/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
@ -37,17 +37,18 @@ Required properties:

  - dai-name: DAI name that describes the IP.

+  - IP mode: IP working mode depending on associated codec.
+	"HDMI" connected to HDMI codec and support IEC HDMI formats (player only).
+	"SPDIF" connected to SPDIF codec and support SPDIF formats (player only).
+	"PCM" PCM standard mode for I2S or TDM bus.
+	"TDM" TDM mode for TDM bus.
+
 Required properties ("st,sti-uni-player" compatibility only):
  - clocks: CPU_DAI IP clock source, listed in the same order than the
 	    CPU_DAI properties.

  - uniperiph-id: internal SOC IP instance ID.

-  - IP mode: IP working mode depending on associated codec.
-	"HDMI" connected to HDMI codec IP and IEC HDMI formats.
-	"SPDIF"connected to SPDIF codec and support SPDIF formats.
-	"PCM"  PCM standard mode for I2S or TDM bus.
-
 Optional properties:
  - pinctrl-0: defined for CPU_DAI@1 and CPU_DAI@4 to describe I2S PIOs for
 	       external codecs connection.
@ -56,6 +57,22 @@ Optional properties:

 Example:

+	sti_uni_player1: sti-uni-player@1 {
+		compatible = "st,sti-uni-player";
+		status = "okay";
+		#sound-dai-cells = <0>;
+		st,syscfg = <&syscfg_core>;
+		clocks = <&clk_s_d0_flexgen CLK_PCM_1>;
+		reg = <0x8D81000 0x158>;
+		interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>;
+		dmas = <&fdma0 3 0 1>;
+		st,dai-name = "Uni Player #1 (I2S)";
+		dma-names = "tx";
+		st,uniperiph-id = <1>;
+		st,version = <5>;
+		st,mode = "TDM";
+	};
+
 	sti_uni_player2: sti-uni-player@2 {
 		compatible = "st,sti-uni-player";
 		status = "okay";
@ -65,7 +82,7 @@ Example:
 		reg = <0x8D82000 0x158>;
 		interrupts = <GIC_SPI 86 IRQ_TYPE_NONE>;
 		dmas = <&fdma0 4 0 1>;
-		dai-name = "Uni Player #1 (DAC)";
+		dai-name = "Uni Player #2 (DAC)";
 		dma-names = "tx";
 		uniperiph-id = <2>;
 		version = <5>;
@ -82,7 +99,7 @@ Example:
 		interrupts = <GIC_SPI 89 IRQ_TYPE_NONE>;
 		dmas = <&fdma0 7 0 1>;
 		dma-names = "tx";
-		dai-name = "Uni Player #1 (PIO)";
+		dai-name = "Uni Player #3 (SPDIF)";
 		uniperiph-id = <3>;
 		version = <5>;
 		mode = "SPDIF";
@ -99,6 +116,7 @@ Example:
 		dma-names = "rx";
 		dai-name = "Uni Reader #1 (HDMI RX)";
 		version = <3>;
+		st,mode = "PCM";
 	};

 2) sti-sas-codec: internal audio codec IPs driver
@ -152,4 +170,20 @@ Example of audio card declaration:
 				sound-dai = <&sti_sasg_codec 0>;
 			};
 		};
+		simple-audio-card,dai-link@2 {
+			/* TDM playback  */
+			format = "left_j";
+			frame-inversion = <1>;
+			cpu {
+				sound-dai = <&sti_uni_player1>;
+				dai-tdm-slot-num = <16>;
+				dai-tdm-slot-width = <16>;
+				dai-tdm-slot-tx-mask =
+					<1 1 1 1 0 0 0 0 0 0 1 1 0 0 1 1>;
+			};
+
+			codec {
+				sound-dai = <&sti_sasg_codec 3>;
+			};
+		};
 	};
--- a/Documentation/devicetree/bindings/sound/tas571x.txt
+++ b/Documentation/devicetree/bindings/sound/tas571x.txt
@ -1,4 +1,4 @@
-Texas Instruments TAS5711/TAS5717/TAS5719 stereo power amplifiers
+Texas Instruments TAS5711/TAS5717/TAS5719/TAS5721 stereo power amplifiers

 The codec is controlled through an I2C interface.  It also has two other
 signals that can be wired up to GPIOs: reset (strongly recommended), and
@ -6,7 +6,11 @@ powerdown (optional).

 Required properties:

- compatible: "ti,tas5711", "ti,tas5717", or "ti,tas5719"
+- compatible: should be one of the following:
+  - "ti,tas5711",
+  - "ti,tas5717",
+  - "ti,tas5719",
+  - "ti,tas5721"
 - reg: The I2C address of the device
 - #sound-dai-cells: must be equal to 0

@ -25,6 +29,8 @@ Optional properties:
 - PVDD_B-supply: regulator phandle for the PVDD_B supply (5711)
 - PVDD_C-supply: regulator phandle for the PVDD_C supply (5711)
 - PVDD_D-supply: regulator phandle for the PVDD_D supply (5711)
+- DRVDD-supply: regulator phandle for the DRVDD supply (5721)
+- PVDD-supply: regulator phandle for the PVDD supply (5721)

 Example:

--- a/Documentation/devicetree/bindings/sound/tas5720.txt
+++ b/Documentation/devicetree/bindings/sound/tas5720.txt
@ -0,0 +1,25 @@
+Texas Instruments TAS5720 Mono Audio amplifier
+
+The TAS5720 serial control bus communicates through the I2C protocol only. The
+serial bus is also used for periodic codec fault checking/reporting during
+audio playback. For more product information please see the links below:
+
+http://www.ti.com/product/TAS5720L
+http://www.ti.com/product/TAS5720M
+
+Required properties:
+
+- compatible : "ti,tas5720"
+- reg : I2C slave address
+- dvdd-supply : phandle to a 3.3-V supply for the digital circuitry
+- pvdd-supply : phandle to a supply used for the Class-D amp and the analog
+
+Example:
+
+tas5720: tas5720@6c {
+	status = "okay";
+	compatible = "ti,tas5720";
+	reg = <0x6c>;
+	dvdd-supply = <&vdd_3v3_reg>;
+	pvdd-supply = <&amp_supply_reg>;
+};
--- a/Documentation/devicetree/bindings/watchdog/microchip,pic32-dmt.txt
+++ b/Documentation/devicetree/bindings/watchdog/microchip,pic32-dmt.txt
@ -8,12 +8,12 @@ Required properties:
 - compatible: must be "microchip,pic32mzda-dmt".
 - reg: physical base address of the controller and length of memory mapped
  region.
- clocks: phandle of parent clock (should be &PBCLK7).
+- clocks: phandle of source clk. Should be <&rootclk PB7CLK>.

 Example:

 	watchdog@1f800a00 {
 		compatible = "microchip,pic32mzda-dmt";
 		reg = <0x1f800a00 0x80>;
-		clocks = <&PBCLK7>;
+		clocks = <&rootclk PB7CLK>;
 	};
--- a/Documentation/devicetree/bindings/watchdog/microchip,pic32-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/microchip,pic32-wdt.txt
@ -7,12 +7,12 @@ Required properties:
 - compatible: must be "microchip,pic32mzda-wdt".
 - reg: physical base address of the controller and length of memory mapped
  region.
- clocks: phandle of source clk. should be <&LPRC> clk.
+- clocks: phandle of source clk. Should be <&rootclk LPRCCLK>.

 Example:

 	watchdog@1f800800 {
 		compatible = "microchip,pic32mzda-wdt";
 		reg = <0x1f800800 0x200>;
-		clocks = <&LPRC>;
+		clocks = <&rootclk LPRCCLK>;
 	};
--- a/Documentation/filesystems/directory-locking
+++ b/Documentation/filesystems/directory-locking
@ -1,30 +1,37 @@
 	Locking scheme used for directory operations is based on two
-kinds of locks - per-inode (->i_mutex) and per-filesystem
+kinds of locks - per-inode (->i_rwsem) and per-filesystem
 (->s_vfs_rename_mutex).

-	When taking the i_mutex on multiple non-directory objects, we
+	When taking the i_rwsem on multiple non-directory objects, we
 always acquire the locks in order by increasing address.  We'll call
 that "inode pointer" order in the following.

 	For our purposes all operations fall in 5 classes:

 1) read access.  Locking rules: caller locks directory we are accessing.
+The lock is taken shared.

-2) object creation.  Locking rules: same as above.
+2) object creation.  Locking rules: same as above, but the lock is taken
+exclusive.

 3) object removal.  Locking rules: caller locks parent, finds victim,
-locks victim and calls the method.
+locks victim and calls the method.  Locks are exclusive.

 4) rename() that is _not_ cross-directory.  Locking rules: caller locks
-the parent and finds source and target.  If target already exists, lock
-it.  If source is a non-directory, lock it.  If that means we need to
-lock both, lock them in inode pointer order.
+the parent and finds source and target.  In case of exchange (with
+RENAME_EXCHANGE in rename2() flags argument) lock both.  In any case,
+if the target already exists, lock it.  If the source is a non-directory,
+lock it.  If we need to lock both, lock them in inode pointer order.
+Then call the method.  All locks are exclusive.
+NB: we might get away with locking the the source (and target in exchange
+case) shared.

 5) link creation.  Locking rules:
 	* lock parent
 	* check that source is not a directory
 	* lock source
 	* call the method.
+All locks are exclusive.

 6) cross-directory rename.  The trickiest in the whole bunch.  Locking
 rules:
@ -35,11 +42,12 @@ rules:
 		fail with -ENOTEMPTY
 	* if new parent is equal to or is a descendent of source
 		fail with -ELOOP
-	* If target exists, lock it.  If source is a non-directory, lock
-	  it.  In case that means we need to lock both source and target,
-	  do so in inode pointer order.
+	* If it's an exchange, lock both the source and the target.
+	* If the target exists, lock it.  If the source is a non-directory,
+	  lock it.  If we need to lock both, do so in inode pointer order.
 	* call the method.
-
+All ->i_rwsem are taken exclusive.  Again, we might get away with locking
+the the source (and target in exchange case) shared.

 The rules above obviously guarantee that all directories that are going to be
 read, modified or removed by method will be locked by caller.
@ -73,7 +81,7 @@ objects - A < B iff A is an ancestor of B.
 attempt to acquire some lock and already holds at least one lock.  Let's
 consider the set of contended locks.  First of all, filesystem lock is
 not contended, since any process blocked on it is not holding any locks.
-Thus all processes are blocked on ->i_mutex.
+Thus all processes are blocked on ->i_rwsem.

 	By (3), any process holding a non-directory lock can only be
 waiting on another non-directory lock with a larger address.  Therefore
--- a/Documentation/filesystems/overlayfs.txt
+++ b/Documentation/filesystems/overlayfs.txt
@ -194,15 +194,6 @@ If a file with multiple hard links is copied up, then this will
 "break" the link.  Changes will not be propagated to other names
 referring to the same inode.

-Symlinks in /proc/PID/ and /proc/PID/fd which point to a non-directory
-object in overlayfs will not contain valid absolute paths, only
-relative paths leading up to the filesystem's root.  This will be
-fixed in the future.
-
-Some operations are not atomic, for example a crash during copy_up or
-rename will leave the filesystem in an inconsistent state.  This will
-be addressed in the future.
-
 Changes to underlying filesystems
 ---------------------------------

--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@ -578,3 +578,10 @@ in your dentry operations instead.
 --
 [mandatory]
 	->atomic_open() calls without O_CREAT may happen in parallel.
+--
+[mandatory]
+	->setxattr() and xattr_handler.set() get dentry and inode passed separately.
+	dentry might be yet to be attached to inode, so do _not_ use its ->d_inode
+	in the instances.  Rationale: !@#!@# security_d_instantiate() needs to be
+	called before we attach dentry to inode and !@#!@##!@$!$#!@#$!@$!@$ smack
+	->d_instantiate() uses not just ->getxattr() but ->setxattr() as well.
--- a/Documentation/infiniband/sysfs.txt
+++ b/Documentation/infiniband/sysfs.txt
@ -56,6 +56,18 @@ SYSFS FILES
  ports/1/pkeys/10 contains the value at index 10 in port 1's P_Key
  table.

+  There is an optional "hw_counters" subdirectory that may be under either
+  the parent device or the port subdirectories or both.  If present,
+  there are a list of counters provided by the hardware.  They may match
+  some of the counters in the counters directory, but they often include
+  many other counters.  In addition to the various counters, there will
+  be a file named "lifespan" that configures how frequently the core
+  should update the counters when they are being accessed (counters are
+  not updated if they are not being accessed).  The lifespan is in milli-
+  seconds and defaults to 10 unless set to something else by the driver.
+  Users may echo a value between 0 - 10000 to the lifespan file to set
+  the length of time between updates in milliseconds.
+
 MTHCA

  The Mellanox HCA driver also creates the files:
--- a/Documentation/scsi/tcm_qla2xxx.txt
+++ b/Documentation/scsi/tcm_qla2xxx.txt
@ -0,0 +1,22 @@
+tcm_qla2xxx jam_host attribute
+------------------------------
+There is now a new module endpoint atribute called jam_host
+attribute: jam_host: boolean=0/1
+This attribute and accompanying code is only included if the
+Kconfig parameter TCM_QLA2XXX_DEBUG is set to Y
+By default this jammer code and functionality is disabled
+
+Use this attribute to control the discarding of SCSI commands to a
+selected host.
+This may be useful for testing error handling and simulating slow drain
+and other fabric issues.
+
+Setting a boolean of 1 for the jam_host attribute for a particular host
+ will discard the commands for that host.
+Reset back to 0 to stop the jamming.
+
+Enable host 4 to be jammed
+echo 1 > /sys/kernel/config/target/qla2xxx/21:00:00:24:ff:27:8f:ae/tpgt_1/attrib/jam_host
+
+Disable jamming on host 4
+echo 0 > /sys/kernel/config/target/qla2xxx/21:00:00:24:ff:27:8f:ae/tpgt_1/attrib/jam_host
--- a/Documentation/target/tcm_mod_builder.py
+++ b/Documentation/target/tcm_mod_builder.py
@ -294,8 +294,6 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
 	buf += "	.tpg_check_prod_mode_write_protect = " + fabric_mod_name + "_check_false,\n"
 	buf += "	.tpg_get_inst_index		= " + fabric_mod_name + "_tpg_get_inst_index,\n"
 	buf += "	.release_cmd			= " + fabric_mod_name + "_release_cmd,\n"
-	buf += "	.shutdown_session		= " + fabric_mod_name + "_shutdown_session,\n"
-	buf += "	.close_session			= " + fabric_mod_name + "_close_session,\n"
 	buf += "	.sess_get_index			= " + fabric_mod_name + "_sess_get_index,\n"
 	buf += "	.sess_get_initiator_sid		= NULL,\n"
 	buf += "	.write_pending			= " + fabric_mod_name + "_write_pending,\n"
@ -467,20 +465,6 @@ def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
 			buf += "}\n\n"
 			bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n"

-		if re.search('shutdown_session\)\(', fo):
-			buf += "int " + fabric_mod_name + "_shutdown_session(struct se_session *se_sess)\n"
-			buf += "{\n"
-			buf += "	return 0;\n"
-			buf += "}\n\n"
-			bufi += "int " + fabric_mod_name + "_shutdown_session(struct se_session *);\n"
-
-		if re.search('close_session\)\(', fo):
-			buf += "void " + fabric_mod_name + "_close_session(struct se_session *se_sess)\n"
-			buf += "{\n"
-			buf += "	return;\n"
-			buf += "}\n\n"
-			bufi += "void " + fabric_mod_name + "_close_session(struct se_session *);\n"
-
 		if re.search('sess_get_index\)\(', fo):
 			buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"
 			buf += "{\n"
--- a/33
+++ b/33
@ -2304,7 +2304,7 @@ BCACHE (BLOCK LAYER CACHE)
 M:	Kent Overstreet <kent.overstreet@gmail.com>
 L:	linux-bcache@vger.kernel.org
 W:	http://bcache.evilpiepirate.org
-S:	Maintained
+S:	Orphan
 F:	drivers/md/bcache/

 BDISP ST MEDIA DRIVER
@ -2505,6 +2505,7 @@ M:	Hauke Mehrtens <hauke@hauke-m.de>
 M:	Rafał Miłecki <zajec5@gmail.com>
 L:	linux-mips@linux-mips.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/mips/brcm/
 F:	arch/mips/bcm47xx/*
 F:	arch/mips/include/asm/mach-bcm47xx/*

@ -5308,6 +5309,13 @@ F:	drivers/block/cciss*
 F:	include/linux/cciss_ioctl.h
 F:	include/uapi/linux/cciss_ioctl.h

+HFI1 DRIVER
+M:	Mike Marciniszyn <mike.marciniszyn@intel.com>
+M:	Dennis Dalessandro <dennis.dalessandro@intel.com>
+L:	linux-rdma@vger.kernel.org
+S:	Supported
+F:	drivers/infiniband/hw/hfi1
+
 HFS FILESYSTEM
 L:	linux-fsdevel@vger.kernel.org
 S:	Orphan
@ -5837,7 +5845,6 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma.git
 S:	Supported
 F:	Documentation/infiniband/
 F:	drivers/infiniband/
-F:	drivers/staging/rdma/
 F:	include/uapi/linux/if_infiniband.h
 F:	include/uapi/rdma/
 F:	include/rdma/
@ -6096,6 +6103,14 @@ S:	Maintained
 F:	arch/x86/include/asm/intel_telemetry.h
 F:	drivers/platform/x86/intel_telemetry*

+INTEL PMC CORE DRIVER
+M:	Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
+M:	Vishwanath Somayaji <vishwanath.somayaji@intel.com>
+L:	platform-driver-x86@vger.kernel.org
+S:	Maintained
+F:	arch/x86/include/asm/pmc_core.h
+F:	drivers/platform/x86/intel_pmc_core*
+
 IOC3 ETHERNET DRIVER
 M:	Ralf Baechle <ralf@linux-mips.org>
 L:	linux-mips@linux-mips.org
@ -6413,8 +6428,9 @@ F:	Documentation/kbuild/kconfig-language.txt
 F:	scripts/kconfig/

 KDUMP
-M:	Vivek Goyal <vgoyal@redhat.com>
-M:	Haren Myneni <hbabu@us.ibm.com>
+M:	Dave Young <dyoung@redhat.com>
+M:	Baoquan He <bhe@redhat.com>
+R:	Vivek Goyal <vgoyal@redhat.com>
 L:	kexec@lists.infradead.org
 W:	http://lse.sourceforge.net/kdump/
 S:	Maintained
@ -6560,7 +6576,7 @@ L:	kexec@lists.infradead.org
 S:	Maintained
 F:	include/linux/kexec.h
 F:	include/uapi/linux/kexec.h
-F:	kernel/kexec.c
+F:	kernel/kexec*

 KEYS/KEYRINGS:
 M:	David Howells <dhowells@redhat.com>
@ -7506,6 +7522,7 @@ W:	http://www.linux-mips.org/
 T:	git git://git.linux-mips.org/pub/scm/ralf/linux.git
 Q:	http://patchwork.linux-mips.org/project/linux-mips/list/
 S:	Supported
+F:	Documentation/devicetree/bindings/mips/
 F:	Documentation/mips/
 F:	arch/mips/

@ -10911,12 +10928,6 @@ M:	Arnaud Patard <arnaud.patard@rtp-net.org>
 S:	Odd Fixes
 F:	drivers/staging/xgifb/

-HFI1 DRIVER
-M:	Mike Marciniszyn <infinipath@intel.com>
-L:	linux-rdma@vger.kernel.org
-S:	Supported
-F:	drivers/staging/rdma/hfi1
-
 STARFIRE/DURALAN NETWORK DRIVER
 M:	Ion Badulescu <ionut@badula.org>
 S:	Odd Fixes
--- a/6
+++ b/6
@ -1,8 +1,8 @@
 VERSION = 4
-PATCHLEVEL = 6
+PATCHLEVEL = 7
 SUBLEVEL = 0
-EXTRAVERSION =
-NAME = Charred Weasel
+EXTRAVERSION = -rc1
+NAME = Psychotic Stoned Sheep

 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
--- a/arch/Kconfig
+++ b/arch/Kconfig
@ -598,6 +598,14 @@ config HAVE_STACK_VALIDATION
 	  Architecture supports the 'objtool check' host tool command, which
 	  performs compile-time stack metadata validation.

+config HAVE_ARCH_HASH
+	bool
+	default n
+	help
+	  If this is set, the architecture provides an <asm/hash.h>
+	  file which provides platform-specific implementations of some
+	  functions in <linux/hash.h> or fs/namei.c.
+
 #
 # ABI hall of shame
 #
--- a/arch/arm64/kvm/hyp/vgic-v3-sr.c
+++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c
@ -169,7 +169,8 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu)
 	 * Make sure stores to the GIC via the memory mapped interface
 	 * are now visible to the system register interface.
 	 */
-	dsb(st);
+	if (!cpu_if->vgic_sre)
+		dsb(st);

 	cpu_if->vgic_vmcr  = read_gicreg(ICH_VMCR_EL2);

@ -190,12 +191,11 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu)
 			if (!(vcpu->arch.vgic_cpu.live_lrs & (1UL << i)))
 				continue;

-			if (cpu_if->vgic_elrsr & (1 << i)) {
+			if (cpu_if->vgic_elrsr & (1 << i))
 				cpu_if->vgic_lr[i] &= ~ICH_LR_STATE;
-				continue;
-			}
+			else
+				cpu_if->vgic_lr[i] = __gic_v3_get_lr(i);

-			cpu_if->vgic_lr[i] = __gic_v3_get_lr(i);
 			__gic_v3_set_lr(0, i);
 		}

@ -236,8 +236,12 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu)

 	val = read_gicreg(ICC_SRE_EL2);
 	write_gicreg(val | ICC_SRE_EL2_ENABLE, ICC_SRE_EL2);
-	isb(); /* Make sure ENABLE is set at EL2 before setting SRE at EL1 */
-	write_gicreg(1, ICC_SRE_EL1);
+
+	if (!cpu_if->vgic_sre) {
+		/* Make sure ENABLE is set at EL2 before setting SRE at EL1 */
+		isb();
+		write_gicreg(1, ICC_SRE_EL1);
+	}
 }

 void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu)
@ -256,8 +260,10 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu)
 	 * been actually programmed with the value we want before
 	 * starting to mess with the rest of the GIC.
 	 */
-	write_gicreg(cpu_if->vgic_sre, ICC_SRE_EL1);
-	isb();
+	if (!cpu_if->vgic_sre) {
+		write_gicreg(0, ICC_SRE_EL1);
+		isb();
+	}

 	val = read_gicreg(ICH_VTR_EL2);
 	max_lr_idx = vtr_to_max_lr_idx(val);
@ -306,18 +312,18 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu)
 	 * (re)distributors. This ensure the guest will read the
 	 * correct values from the memory-mapped interface.
 	 */
-	isb();
-	dsb(sy);
+	if (!cpu_if->vgic_sre) {
+		isb();
+		dsb(sy);
+	}
 	vcpu->arch.vgic_cpu.live_lrs = live_lrs;

 	/*
 	 * Prevent the guest from touching the GIC system registers if
 	 * SRE isn't enabled for GICv3 emulation.
 	 */
-	if (!cpu_if->vgic_sre) {
-		write_gicreg(read_gicreg(ICC_SRE_EL2) & ~ICC_SRE_EL2_ENABLE,
-			     ICC_SRE_EL2);
-	}
+	write_gicreg(read_gicreg(ICC_SRE_EL2) & ~ICC_SRE_EL2_ENABLE,
+		     ICC_SRE_EL2);
 }

 void __hyp_text __vgic_v3_init_lrs(void)
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@ -134,6 +134,17 @@ static bool access_gic_sgi(struct kvm_vcpu *vcpu,
 	return true;
 }

+static bool access_gic_sre(struct kvm_vcpu *vcpu,
+			   struct sys_reg_params *p,
+			   const struct sys_reg_desc *r)
+{
+	if (p->is_write)
+		return ignore_write(vcpu, p);
+
+	p->regval = vcpu->arch.vgic_cpu.vgic_v3.vgic_sre;
+	return true;
+}
+
 static bool trap_raz_wi(struct kvm_vcpu *vcpu,
 			struct sys_reg_params *p,
 			const struct sys_reg_desc *r)
@ -958,7 +969,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
 	  access_gic_sgi },
 	/* ICC_SRE_EL1 */
 	{ Op0(0b11), Op1(0b000), CRn(0b1100), CRm(0b1100), Op2(0b101),
-	  trap_raz_wi },
+	  access_gic_sre },

 	/* CONTEXTIDR_EL1 */
 	{ Op0(0b11), Op1(0b000), CRn(0b1101), CRm(0b0000), Op2(0b001),
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@ -20,6 +20,7 @@ config H8300
 	select HAVE_KERNEL_GZIP
 	select HAVE_KERNEL_LZO
 	select HAVE_ARCH_KGDB
+	select HAVE_ARCH_HASH
 	select CPU_NO_EFFICIENT_FFS

 config RWSEM_GENERIC_SPINLOCK
--- a/arch/h8300/include/asm/hash.h
+++ b/arch/h8300/include/asm/hash.h
@ -0,0 +1,53 @@
+#ifndef _ASM_HASH_H
+#define _ASM_HASH_H
+
+/*
+ * The later H8SX models have a 32x32-bit multiply, but the H8/300H
+ * and H8S have only 16x16->32.  Since it's tolerably compact, this is
+ * basically an inlined version of the __mulsi3 code.  Since the inputs
+ * are not expected to be small, it's also simplfied by skipping the
+ * early-out checks.
+ *
+ * (Since neither CPU has any multi-bit shift instructions, a
+ * shift-and-add version is a non-starter.)
+ *
+ * TODO: come up with an arch-specific version of the hashing in fs/namei.c,
+ * since that is heavily dependent on rotates.  Which, as mentioned, suck
+ * horribly on H8.
+ */
+
+#if defined(CONFIG_CPU_H300H) || defined(CONFIG_CPU_H8S)
+
+#define HAVE_ARCH__HASH_32 1
+
+/*
+ * Multiply by k = 0x61C88647.  Fitting this into three registers requires
+ * one extra instruction, but reducing register pressure will probably
+ * make that back and then some.
+ *
+ * GCC asm note: %e1 is the high half of operand %1, while %f1 is the
+ * low half.  So if %1 is er4, then %e1 is e4 and %f1 is r4.
+ *
+ * This has been designed to modify x in place, since that's the most
+ * common usage, but preserve k, since hash_64() makes two calls in
+ * quick succession.
+ */
+static inline u32 __attribute_const__ __hash_32(u32 x)
+{
+	u32 temp;
+
+	asm(   "mov.w	%e1,%f0"
+	"\n	mulxu.w	%f2,%0"		/* klow * xhigh */
+	"\n	mov.w	%f0,%e1"	/* The extra instruction */
+	"\n	mov.w	%f1,%f0"
+	"\n	mulxu.w	%e2,%0"		/* khigh * xlow */
+	"\n	add.w	%e1,%f0"
+	"\n	mulxu.w	%f2,%1"		/* klow * xlow */
+	"\n	add.w	%f0,%e1"
+	: "=&r" (temp), "=r" (x)
+	: "%r" (GOLDEN_RATIO_32), "1" (x));
+	return x;
+}
+
+#endif
+#endif /* _ASM_HASH_H */
--- a/arch/m68k/Kconfig.cpu
+++ b/arch/m68k/Kconfig.cpu
@ -41,6 +41,7 @@ config M68000
 	select CPU_HAS_NO_UNALIGNED
 	select GENERIC_CSUM
 	select CPU_NO_EFFICIENT_FFS
+	select HAVE_ARCH_HASH
 	help
 	  The Freescale (was Motorola) 68000 CPU is the first generation of
 	  the well known M68K family of processors. The CPU core as well as
--- a/arch/m68k/include/asm/hash.h
+++ b/arch/m68k/include/asm/hash.h
@ -0,0 +1,59 @@
+#ifndef _ASM_HASH_H
+#define _ASM_HASH_H
+
+/*
+ * If CONFIG_M68000=y (original mc68000/010), this file is #included
+ * to work around the lack of a MULU.L instruction.
+ */
+
+#define HAVE_ARCH__HASH_32 1
+/*
+ * While it would be legal to substitute a different hash operation
+ * entirely, let's keep it simple and just use an optimized multiply
+ * by GOLDEN_RATIO_32 = 0x61C88647.
+ *
+ * The best way to do that appears to be to multiply by 0x8647 with
+ * shifts and adds, and use mulu.w to multiply the high half by 0x61C8.
+ *
+ * Because the 68000 has multi-cycle shifts, this addition chain is
+ * chosen to minimise the shift distances.
+ *
+ * Despite every attempt to spoon-feed it simple operations, GCC
+ * 6.1.1 doggedly insists on doing annoying things like converting
+ * "lsl.l #2,<reg>" (12 cycles) to two adds (8+8 cycles).
+ *
+ * It also likes to notice two shifts in a row, like "a = x << 2" and
+ * "a <<= 7", and convert that to "a = x << 9".  But shifts longer
+ * than 8 bits are extra-slow on m68k, so that's a lose.
+ *
+ * Since the 68000 is a very simple in-order processor with no
+ * instruction scheduling effects on execution time, we can safely
+ * take it out of GCC's hands and write one big asm() block.
+ *
+ * Without calling overhead, this operation is 30 bytes (14 instructions
+ * plus one immediate constant) and 166 cycles.
+ *
+ * (Because %2 is fetched twice, it can't be postincrement, and thus it
+ * can't be a fully general "g" or "m".  Register is preferred, but
+ * offsettable memory or immediate will work.)
+ */
+static inline u32 __attribute_const__ __hash_32(u32 x)
+{
+	u32 a, b;
+
+	asm(   "move.l %2,%0"	/* a = x * 0x0001 */
+	"\n	lsl.l #2,%0"	/* a = x * 0x0004 */
+	"\n	move.l %0,%1"
+	"\n	lsl.l #7,%0"	/* a = x * 0x0200 */
+	"\n	add.l %2,%0"	/* a = x * 0x0201 */
+	"\n	add.l %0,%1"	/* b = x * 0x0205 */
+	"\n	add.l %0,%0"	/* a = x * 0x0402 */
+	"\n	add.l %0,%1"	/* b = x * 0x0607 */
+	"\n	lsl.l #5,%0"	/* a = x * 0x8040 */
+	: "=&d,d" (a), "=&r,r" (b)
+	: "r,roi?" (x));	/* a+b = x*0x8647 */
+
+	return ((u16)(x*0x61c8) << 16) + a + b;
+}
+
+#endif	/* _ASM_HASH_H */
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@ -16,6 +16,7 @@ config MICROBLAZE
 	select GENERIC_IRQ_SHOW
 	select GENERIC_PCI_IOMAP
 	select GENERIC_SCHED_CLOCK
+	select HAVE_ARCH_HASH
 	select HAVE_ARCH_KGDB
 	select HAVE_DEBUG_KMEMLEAK
 	select HAVE_DMA_API_DEBUG
--- a/arch/microblaze/include/asm/hash.h
+++ b/arch/microblaze/include/asm/hash.h
@ -0,0 +1,81 @@
+#ifndef _ASM_HASH_H
+#define _ASM_HASH_H
+
+/*
+ * Fortunately, most people who want to run Linux on Microblaze enable
+ * both multiplier and barrel shifter, but omitting them is technically
+ * a supported configuration.
+ *
+ * With just a barrel shifter, we can implement an efficient constant
+ * multiply using shifts and adds.  GCC can find a 9-step solution, but
+ * this 6-step solution was found by Yevgen Voronenko's implementation
+ * of the Hcub algorithm at http://spiral.ece.cmu.edu/mcm/gen.html.
+ *
+ * That software is really not designed for a single multiplier this large,
+ * but if you run it enough times with different seeds, it'll find several
+ * 6-shift, 6-add sequences for computing x * 0x61C88647.  They are all
+ *	c = (x << 19) + x;
+ *	a = (x <<  9) + c;
+ *	b = (x << 23) + a;
+ *	return (a<<11) + (b<<6) + (c<<3) - b;
+ * with variations on the order of the final add.
+ *
+ * Without even a shifter, it's hopless; any hash function will suck.
+ */
+
+#if CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL == 0
+
+#define HAVE_ARCH__HASH_32 1
+
+/* Multiply by GOLDEN_RATIO_32 = 0x61C88647 */
+static inline u32 __attribute_const__ __hash_32(u32 a)
+{
+#if CONFIG_XILINX_MICROBLAZE0_USE_BARREL
+	unsigned int b, c;
+
+	/* Phase 1: Compute three intermediate values */
+	b =  a << 23;
+	c = (a << 19) + a;
+	a = (a <<  9) + c;
+	b += a;
+
+	/* Phase 2: Compute (a << 11) + (b << 6) + (c << 3) - b */
+	a <<= 5;
+	a += b;		/* (a << 5) + b */
+	a <<= 3;
+	a += c;		/* (a << 8) + (b << 3) + c */
+	a <<= 3;
+	return a - b;	/* (a << 11) + (b << 6) + (c << 3) - b */
+#else
+	/*
+	 * "This is really going to hurt."
+	 *
+	 * Without a barrel shifter, left shifts are implemented as
+	 * repeated additions, and the best we can do is an optimal
+	 * addition-subtraction chain.  This one is not known to be
+	 * optimal, but at 37 steps, it's decent for a 31-bit multiplier.
+	 *
+	 * Question: given its size (37*4 = 148 bytes per instance),
+	 * and slowness, is this worth having inline?
+	 */
+	unsigned int b, c, d;
+
+	b = a << 4;	/* 4    */
+	c = b << 1;	/* 1  5 */
+	b += a;		/* 1  6 */
+	c += b;		/* 1  7 */
+	c <<= 3;	/* 3 10 */
+	c -= a;		/* 1 11 */
+	d = c << 7;	/* 7 18 */
+	d += b;		/* 1 19 */
+	d <<= 8;	/* 8 27 */
+	d += a;		/* 1 28 */
+	d <<= 1;	/* 1 29 */
+	d += b;		/* 1 30 */
+	d <<= 6;	/* 6 36 */
+	return d + c;	/* 1 37 total instructions*/
+#endif
+}
+
+#endif /* !CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL */
+#endif /* _ASM_HASH_H */
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@ -398,6 +398,7 @@ config MACH_PISTACHIO
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_SUPPORTS_MIPS_CPS
 	select SYS_SUPPORTS_MULTITHREADING
+	select SYS_SUPPORTS_RELOCATABLE
 	select SYS_SUPPORTS_ZBOOT
 	select SYS_HAS_EARLY_PRINTK
 	select USE_GENERIC_EARLY_PRINTK_8250
--- a/arch/mips/boot/dts/ingenic/jz4740.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4740.dtsi
@ -5,7 +5,7 @@
 	#size-cells = <1>;
 	compatible = "ingenic,jz4740";

-	cpuintc: interrupt-controller@0 {
+	cpuintc: interrupt-controller {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
--- a/arch/mips/boot/dts/ralink/mt7620a.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7620a.dtsi
@ -9,7 +9,7 @@
 		};
 	};

-	cpuintc: cpuintc@0 {
+	cpuintc: cpuintc {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
--- a/arch/mips/boot/dts/ralink/rt2880.dtsi
+++ b/arch/mips/boot/dts/ralink/rt2880.dtsi
@ -9,7 +9,7 @@
 		};
 	};

-	cpuintc: cpuintc@0 {
+	cpuintc: cpuintc {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
--- a/arch/mips/boot/dts/ralink/rt3050.dtsi
+++ b/arch/mips/boot/dts/ralink/rt3050.dtsi
@ -9,7 +9,7 @@
 		};
 	};

-	cpuintc: cpuintc@0 {
+	cpuintc: cpuintc {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
--- a/arch/mips/boot/dts/ralink/rt3883.dtsi
+++ b/arch/mips/boot/dts/ralink/rt3883.dtsi
@ -9,7 +9,7 @@
 		};
 	};

-	cpuintc: cpuintc@0 {
+	cpuintc: cpuintc {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
--- a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
+++ b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
@ -10,7 +10,7 @@
 		reg = <0x0 0x08000000>;
 	};

-	cpuintc: interrupt-controller@0 {
+	cpuintc: interrupt-controller {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@ -384,7 +384,7 @@ static int octeon_cpu_callback(struct notifier_block *nfb,
 {
 	unsigned int cpu = (unsigned long)hcpu;

-	switch (action) {
+	switch (action & ~CPU_TASKS_FROZEN) {
 	case CPU_UP_PREPARE:
 		octeon_update_boot_vector(cpu);
 		break;
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@ -19,6 +19,28 @@
 #include <asm/asmmacro-64.h>
 #endif

+/*
+ * Helper macros for generating raw instruction encodings.
+ */
+#ifdef CONFIG_CPU_MICROMIPS
+	.macro	insn32_if_mm enc
+	.insn
+	.hword ((\enc) >> 16)
+	.hword ((\enc) & 0xffff)
+	.endm
+
+	.macro	insn_if_mips enc
+	.endm
+#else
+	.macro	insn32_if_mm enc
+	.endm
+
+	.macro	insn_if_mips enc
+	.insn
+	.word (\enc)
+	.endm
+#endif
+
 #if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
 	.macro	local_irq_enable reg=t0
 	ei
@ -341,38 +363,6 @@
 	.endm
 #else

-#ifdef CONFIG_CPU_MICROMIPS
-#define CFC_MSA_INSN		0x587e0056
-#define CTC_MSA_INSN		0x583e0816
-#define LDB_MSA_INSN		0x58000807
-#define LDH_MSA_INSN		0x58000817
-#define LDW_MSA_INSN		0x58000827
-#define LDD_MSA_INSN		0x58000837
-#define STB_MSA_INSN		0x5800080f
-#define STH_MSA_INSN		0x5800081f
-#define STW_MSA_INSN		0x5800082f
-#define STD_MSA_INSN		0x5800083f
-#define COPY_SW_MSA_INSN	0x58b00056
-#define COPY_SD_MSA_INSN	0x58b80056
-#define INSERT_W_MSA_INSN	0x59300816
-#define INSERT_D_MSA_INSN	0x59380816
-#else
-#define CFC_MSA_INSN		0x787e0059
-#define CTC_MSA_INSN		0x783e0819
-#define LDB_MSA_INSN		0x78000820
-#define LDH_MSA_INSN		0x78000821
-#define LDW_MSA_INSN		0x78000822
-#define LDD_MSA_INSN		0x78000823
-#define STB_MSA_INSN		0x78000824
-#define STH_MSA_INSN		0x78000825
-#define STW_MSA_INSN		0x78000826
-#define STD_MSA_INSN		0x78000827
-#define COPY_SW_MSA_INSN	0x78b00059
-#define COPY_SD_MSA_INSN	0x78b80059
-#define INSERT_W_MSA_INSN	0x79300819
-#define INSERT_D_MSA_INSN	0x79380819
-#endif
-
 	/*
 	 * Temporary until all toolchains in use include MSA support.
 	 */
@ -380,8 +370,8 @@
 	.set	push
 	.set	noat
 	SET_HARDFLOAT
-	.insn
-	.word	CFC_MSA_INSN | (\cs << 11)
+	insn_if_mips 0x787e0059 | (\cs << 11)
+	insn32_if_mm 0x587e0056 | (\cs << 11)
 	move	\rd, $1
 	.set	pop
 	.endm
@ -391,7 +381,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	move	$1, \rs
-	.word	CTC_MSA_INSN | (\cd << 6)
+	insn_if_mips 0x783e0819 | (\cd << 6)
+	insn32_if_mm 0x583e0816 | (\cd << 6)
 	.set	pop
 	.endm

@ -400,7 +391,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	LDB_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000820 | (\wd << 6)
+	insn32_if_mm 0x58000807 | (\wd << 6)
 	.set	pop
 	.endm

@ -409,7 +401,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	LDH_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000821 | (\wd << 6)
+	insn32_if_mm 0x58000817 | (\wd << 6)
 	.set	pop
 	.endm

@ -418,7 +411,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	LDW_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000822 | (\wd << 6)
+	insn32_if_mm 0x58000827 | (\wd << 6)
 	.set	pop
 	.endm

@ -427,7 +421,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	LDD_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000823 | (\wd << 6)
+	insn32_if_mm 0x58000837 | (\wd << 6)
 	.set	pop
 	.endm

@ -436,7 +431,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	STB_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000824 | (\wd << 6)
+	insn32_if_mm 0x5800080f | (\wd << 6)
 	.set	pop
 	.endm

@ -445,7 +441,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	STH_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000825 | (\wd << 6)
+	insn32_if_mm 0x5800081f | (\wd << 6)
 	.set	pop
 	.endm

@ -454,7 +451,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	STW_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000826 | (\wd << 6)
+	insn32_if_mm 0x5800082f | (\wd << 6)
 	.set	pop
 	.endm

@ -463,7 +461,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	STD_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000827 | (\wd << 6)
+	insn32_if_mm 0x5800083f | (\wd << 6)
 	.set	pop
 	.endm

@ -471,8 +470,8 @@
 	.set	push
 	.set	noat
 	SET_HARDFLOAT
-	.insn
-	.word	COPY_SW_MSA_INSN | (\n << 16) | (\ws << 11)
+	insn_if_mips 0x78b00059 | (\n << 16) | (\ws << 11)
+	insn32_if_mm 0x58b00056 | (\n << 16) | (\ws << 11)
 	.set	pop
 	.endm

@ -480,8 +479,8 @@
 	.set	push
 	.set	noat
 	SET_HARDFLOAT
-	.insn
-	.word	COPY_SD_MSA_INSN | (\n << 16) | (\ws << 11)
+	insn_if_mips 0x78b80059 | (\n << 16) | (\ws << 11)
+	insn32_if_mm 0x58b80056 | (\n << 16) | (\ws << 11)
 	.set	pop
 	.endm

@ -489,7 +488,8 @@
 	.set	push
 	.set	noat
 	SET_HARDFLOAT
-	.word	INSERT_W_MSA_INSN | (\n << 16) | (\wd << 6)
+	insn_if_mips 0x79300819 | (\n << 16) | (\wd << 6)
+	insn32_if_mm 0x59300816 | (\n << 16) | (\wd << 6)
 	.set	pop
 	.endm

@ -497,7 +497,8 @@
 	.set	push
 	.set	noat
 	SET_HARDFLOAT
-	.word	INSERT_D_MSA_INSN | (\n << 16) | (\wd << 6)
+	insn_if_mips 0x79380819 | (\n << 16) | (\wd << 6)
+	insn32_if_mm 0x59380816 | (\n << 16) | (\wd << 6)
 	.set	pop
 	.endm
 #endif
--- a/arch/mips/include/asm/hazards.h
+++ b/arch/mips/include/asm/hazards.h
@ -58,8 +58,8 @@
 * address of a label as argument to inline assembler.	Gas otoh has the
 * annoying difference between la and dla which are only usable for 32-bit
 * rsp. 64-bit code, so can't be used without conditional compilation.
- * The alterantive is switching the assembler to 64-bit code which happens
- * to work right even for 32-bit code ...
+ * The alternative is switching the assembler to 64-bit code which happens
+ * to work right even for 32-bit code...
 */
 #define instruction_hazard()						\
 do {									\
@ -133,8 +133,8 @@ do {									\
 * address of a label as argument to inline assembler.	Gas otoh has the
 * annoying difference between la and dla which are only usable for 32-bit
 * rsp. 64-bit code, so can't be used without conditional compilation.
- * The alterantive is switching the assembler to 64-bit code which happens
- * to work right even for 32-bit code ...
+ * The alternative is switching the assembler to 64-bit code which happens
+ * to work right even for 32-bit code...
 */
 #define __instruction_hazard()						\
 do {									\
--- a/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
+++ b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
@ -100,7 +100,7 @@ typedef volatile struct au1xxx_ddma_desc {
 	u32	dscr_nxtptr;		/* Next descriptor pointer (mostly) */
 	/*
 	 * First 32 bytes are HW specific!!!
-	 * Lets have some SW data following -- make sure it's 32 bytes.
+	 * Let's have some SW data following -- make sure it's 32 bytes.
 	 */
 	u32	sw_status;
 	u32	sw_context;
--- a/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
+++ b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
@ -140,7 +140,7 @@ static inline int au1300_gpio_getinitlvl(unsigned int gpio)
 * Cases 1 and 3 are intended for boards which want to provide their own
 * GPIO namespace and -operations (i.e. for example you have 8 GPIOs
 * which are in part provided by spare Au1300 GPIO pins and in part by
-* an external FPGA but you still want them to be accssible in linux
+* an external FPGA but you still want them to be accessible in linux
 * as gpio0-7. The board can of course use the alchemy_gpioX_* functions
 * as required).
 */
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
@ -22,7 +22,7 @@ struct bcm63xx_enet_platform_data {
 	int has_phy_interrupt;
 	int phy_interrupt;

-	/* if has_phy, use autonegociated pause parameters or force
+	/* if has_phy, use autonegotiated pause parameters or force
 	 * them */
 	int pause_auto;
 	int pause_rx;
--- a/arch/mips/include/asm/mach-ip27/dma-coherence.h
+++ b/arch/mips/include/asm/mach-ip27/dma-coherence.h
@ -64,7 +64,7 @@ static inline void plat_post_dma_flush(struct device *dev)

 static inline int plat_device_is_coherent(struct device *dev)
 {
-	return 1;		/* IP27 non-cohernet mode is unsupported */
+	return 1;		/* IP27 non-coherent mode is unsupported */
 }

 #endif /* __ASM_MACH_IP27_DMA_COHERENCE_H */
--- a/arch/mips/include/asm/mach-ip32/dma-coherence.h
+++ b/arch/mips/include/asm/mach-ip32/dma-coherence.h
@ -86,7 +86,7 @@ static inline void plat_post_dma_flush(struct device *dev)

 static inline int plat_device_is_coherent(struct device *dev)
 {
-	return 0;		/* IP32 is non-cohernet */
+	return 0;		/* IP32 is non-coherent */
 }

 #endif /* __ASM_MACH_IP32_DMA_COHERENCE_H */
--- a/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
+++ b/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
@ -22,7 +22,7 @@

 /*
 * during early_printk no ioremap possible at this early stage
- * lets use KSEG1 instead
+ * let's use KSEG1 instead
 */
 #define LTQ_ASC0_BASE_ADDR	0x1E100C00
 #define LTQ_EARLY_ASC		KSEG1ADDR(LTQ_ASC0_BASE_ADDR)
--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
@ -75,7 +75,7 @@ extern __iomem void *ltq_cgu_membase;

 /*
 * during early_printk no ioremap is possible
- * lets use KSEG1 instead
+ * let's use KSEG1 instead
 */
 #define LTQ_ASC1_BASE_ADDR	0x1E100C00
 #define LTQ_EARLY_ASC		KSEG1ADDR(LTQ_ASC1_BASE_ADDR)
--- a/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h
+++ b/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h
@ -24,7 +24,7 @@ struct temp_range {
 	u8 level;
 };

-#define CONSTANT_SPEED_POLICY	0  /* at constent speed */
+#define CONSTANT_SPEED_POLICY	0  /* at constant speed */
 #define STEP_SPEED_POLICY	1  /* use up/down arrays to describe policy */
 #define KERNEL_HELPER_POLICY	2  /* kernel as a helper to fan control */

--- a/arch/mips/include/asm/mach-malta/kernel-entry-init.h
+++ b/arch/mips/include/asm/mach-malta/kernel-entry-init.h
@ -56,7 +56,7 @@
 		(0 << MIPS_SEGCFG_PA_SHIFT) |				\
 		(1 << MIPS_SEGCFG_EU_SHIFT)) << 16)
 	or	t0, t2
-	mtc0	t0, $5, 2
+	mtc0	t0, CP0_SEGCTL0

 	/* SegCtl1 */
 	li      t0, ((MIPS_SEGCFG_MUSUK << MIPS_SEGCFG_AM_SHIFT) |	\
@ -67,7 +67,7 @@
 		(0 << MIPS_SEGCFG_PA_SHIFT) |				\
 		(1 << MIPS_SEGCFG_EU_SHIFT)) << 16)
 	ins	t0, t1, 16, 3
-	mtc0	t0, $5, 3
+	mtc0	t0, CP0_SEGCTL1

 	/* SegCtl2 */
 	li	t0, ((MIPS_SEGCFG_MUSUK << MIPS_SEGCFG_AM_SHIFT) |	\
@ -77,7 +77,7 @@
 		(4 << MIPS_SEGCFG_PA_SHIFT) |				\
 		(1 << MIPS_SEGCFG_EU_SHIFT)) << 16)
 	or	t0, t2
-	mtc0	t0, $5, 4
+	mtc0	t0, CP0_SEGCTL2

 	jal	mips_ihb
 	mfc0    t0, $16, 5
--- a/arch/mips/include/asm/mips_mt.h
+++ b/arch/mips/include/asm/mips_mt.h
@ -1,5 +1,5 @@
 /*
- * Definitions and decalrations for MIPS MT support that are common between
+ * Definitions and declarations for MIPS MT support that are common between
 * the VSMP, and AP/SP kernel models.
 */
 #ifndef __ASM_MIPS_MT_H
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@ -48,6 +48,9 @@
 #define CP0_CONF $3
 #define CP0_CONTEXT $4
 #define CP0_PAGEMASK $5
+#define CP0_SEGCTL0 $5, 2
+#define CP0_SEGCTL1 $5, 3
+#define CP0_SEGCTL2 $5, 4
 #define CP0_WIRED $6
 #define CP0_INFO $7
 #define CP0_HWRENA $7, 0
@ -726,6 +729,8 @@
 #define MIPS_PWFIELD_PTEI_SHIFT	0
 #define MIPS_PWFIELD_PTEI_MASK	0x0000003f

+#define MIPS_PWSIZE_PS_SHIFT	30
+#define MIPS_PWSIZE_PS_MASK	0x40000000
 #define MIPS_PWSIZE_GDW_SHIFT	24
 #define MIPS_PWSIZE_GDW_MASK	0x3f000000
 #define MIPS_PWSIZE_UDW_SHIFT	18
@ -739,6 +744,12 @@

 #define MIPS_PWCTL_PWEN_SHIFT	31
 #define MIPS_PWCTL_PWEN_MASK	0x80000000
+#define MIPS_PWCTL_XK_SHIFT	28
+#define MIPS_PWCTL_XK_MASK	0x10000000
+#define MIPS_PWCTL_XS_SHIFT	27
+#define MIPS_PWCTL_XS_MASK	0x08000000
+#define MIPS_PWCTL_XU_SHIFT	26
+#define MIPS_PWCTL_XU_MASK	0x04000000
 #define MIPS_PWCTL_DPH_SHIFT	7
 #define MIPS_PWCTL_DPH_MASK	0x00000080
 #define MIPS_PWCTL_HUGEPG_SHIFT	6
@ -1045,6 +1056,33 @@ static inline int mm_insn_16bit(u16 insn)
 	return (opcode >= 1 && opcode <= 3) ? 1 : 0;
 }

+/*
+ * Helper macros for generating raw instruction encodings in inline asm.
+ */
+#ifdef CONFIG_CPU_MICROMIPS
+#define _ASM_INSN16_IF_MM(_enc)			\
+	".insn\n\t"				\
+	".hword (" #_enc ")\n\t"
+#define _ASM_INSN32_IF_MM(_enc)			\
+	".insn\n\t"				\
+	".hword ((" #_enc ") >> 16)\n\t"	\
+	".hword ((" #_enc ") & 0xffff)\n\t"
+#else
+#define _ASM_INSN_IF_MIPS(_enc)			\
+	".insn\n\t"				\
+	".word (" #_enc ")\n\t"
+#endif
+
+#ifndef _ASM_INSN16_IF_MM
+#define _ASM_INSN16_IF_MM(_enc)
+#endif
+#ifndef _ASM_INSN32_IF_MM
+#define _ASM_INSN32_IF_MM(_enc)
+#endif
+#ifndef _ASM_INSN_IF_MIPS
+#define _ASM_INSN_IF_MIPS(_enc)
+#endif
+
 /*
 * TLB Invalidate Flush
 */
@ -1053,7 +1091,9 @@ static inline void tlbinvf(void)
 	__asm__ __volatile__(
 		".set push\n\t"
 		".set noreorder\n\t"
-		".word 0x42000004\n\t" /* tlbinvf */
+		"# tlbinvf\n\t"
+		_ASM_INSN_IF_MIPS(0x42000004)
+		_ASM_INSN32_IF_MM(0x0000537c)
 		".set pop");
 }

@ -1274,9 +1314,9 @@ do {									\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
 	"	.set	mips32r2				\n"	\
-	"	.insn						\n"	\
 	"	# mfhc0 $1, %1					\n"	\
-	"	.word	(0x40410000 | ((%1 & 0x1f) << 11))	\n"	\
+	_ASM_INSN_IF_MIPS(0x40410000 | ((%1 & 0x1f) << 11))		\
+	_ASM_INSN32_IF_MM(0x002000f4 | ((%1 & 0x1f) << 16))		\
 	"	move	%0, $1					\n"	\
 	"	.set	pop					\n"	\
 	: "=r" (__res)							\
@ -1292,8 +1332,8 @@ do {									\
 	"	.set	mips32r2				\n"	\
 	"	move	$1, %0					\n"	\
 	"	# mthc0 $1, %1					\n"	\
-	"	.insn						\n"	\
-	"	.word	(0x40c10000 | ((%1 & 0x1f) << 11))	\n"	\
+	_ASM_INSN_IF_MIPS(0x40c10000 | ((%1 & 0x1f) << 11))		\
+	_ASM_INSN32_IF_MM(0x002002f4 | ((%1 & 0x1f) << 16))		\
 	"	.set	pop					\n"	\
 	:								\
 	: "r" (value), "i" (register));					\
@ -1743,7 +1783,8 @@ do {									\
 		".set\tpush\n\t"					\
 		".set\tnoat\n\t"					\
 		"# mfgc0\t$1, $%1, %2\n\t"				\
-		".word\t(0x40610000 | %1 << 11 | %2)\n\t"		\
+		_ASM_INSN_IF_MIPS(0x40610000 | %1 << 11 | %2)		\
+		_ASM_INSN32_IF_MM(0x002004fc | %1 << 16 | %2 << 11)	\
 		"move\t%0, $1\n\t"					\
 		".set\tpop"						\
 		: "=r" (__res)						\
@ -1757,7 +1798,8 @@ do {									\
 		".set\tpush\n\t"					\
 		".set\tnoat\n\t"					\
 		"# dmfgc0\t$1, $%1, %2\n\t"				\
-		".word\t(0x40610100 | %1 << 11 | %2)\n\t"		\
+		_ASM_INSN_IF_MIPS(0x40610100 | %1 << 11 | %2)		\
+		_ASM_INSN32_IF_MM(0x582004fc | %1 << 16 | %2 << 11)	\
 		"move\t%0, $1\n\t"					\
 		".set\tpop"						\
 		: "=r" (__res)						\
@ -1770,9 +1812,10 @@ do {									\
 	__asm__ __volatile__(						\
 		".set\tpush\n\t"					\
 		".set\tnoat\n\t"					\
-		"move\t$1, %0\n\t"					\
+		"move\t$1, %z0\n\t"					\
 		"# mtgc0\t$1, $%1, %2\n\t"				\
-		".word\t(0x40610200 | %1 << 11 | %2)\n\t"		\
+		_ASM_INSN_IF_MIPS(0x40610200 | %1 << 11 | %2)		\
+		_ASM_INSN32_IF_MM(0x002006fc | %1 << 16 | %2 << 11)	\
 		".set\tpop"						\
 		: : "Jr" ((unsigned int)(value)),			\
 		    "i" (register), "i" (sel));				\
@ -1783,9 +1826,10 @@ do {									\
 	__asm__ __volatile__(						\
 		".set\tpush\n\t"					\
 		".set\tnoat\n\t"					\
-		"move\t$1, %0\n\t"					\
+		"move\t$1, %z0\n\t"					\
 		"# dmtgc0\t$1, $%1, %2\n\t"				\
-		".word\t(0x40610300 | %1 << 11 | %2)\n\t"		\
+		_ASM_INSN_IF_MIPS(0x40610300 | %1 << 11 | %2)		\
+		_ASM_INSN32_IF_MM(0x582006fc | %1 << 16 | %2 << 11)	\
 		".set\tpop"						\
 		: : "Jr" (value),					\
 		    "i" (register), "i" (sel));				\
@ -2246,7 +2290,6 @@ do {									\

 #else

-#ifdef CONFIG_CPU_MICROMIPS
 #define rddsp(mask)							\
 ({									\
 	unsigned int __res;						\
@ -2255,8 +2298,8 @@ do {									\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
 	"	# rddsp $1, %x1					\n"	\
-	"	.hword	((0x0020067c | (%x1 << 14)) >> 16)	\n"	\
-	"	.hword	((0x0020067c | (%x1 << 14)) & 0xffff)	\n"	\
+	_ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16))			\
+	_ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14))			\
 	"	move	%0, $1					\n"	\
 	"	.set	pop					\n"	\
 	: "=r" (__res)							\
@ -2271,98 +2314,13 @@ do {									\
 	"	.set	noat					\n"	\
 	"	move	$1, %0					\n"	\
 	"	# wrdsp $1, %x1					\n"	\
-	"	.hword	((0x0020167c | (%x1 << 14)) >> 16)	\n"	\
-	"	.hword	((0x0020167c | (%x1 << 14)) & 0xffff)	\n"	\
+	_ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11))			\
+	_ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14))			\
 	"	.set	pop					\n"	\
 	:								\
 	: "r" (val), "i" (mask));					\
 } while (0)

-#define _umips_dsp_mfxxx(ins)						\
-({									\
-	unsigned long __treg;						\
-									\
-	__asm__ __volatile__(						\
-	"	.set	push					\n"	\
-	"	.set	noat					\n"	\
-	"	.hword	0x0001					\n"	\
-	"	.hword	%x1					\n"	\
-	"	move	%0, $1					\n"	\
-	"	.set	pop					\n"	\
-	: "=r" (__treg)							\
-	: "i" (ins));							\
-	__treg;								\
-})
-
-#define _umips_dsp_mtxxx(val, ins)					\
-do {									\
-	__asm__ __volatile__(						\
-	"	.set	push					\n"	\
-	"	.set	noat					\n"	\
-	"	move	$1, %0					\n"	\
-	"	.hword	0x0001					\n"	\
-	"	.hword	%x1					\n"	\
-	"	.set	pop					\n"	\
-	:								\
-	: "r" (val), "i" (ins));					\
-} while (0)
-
-#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
-#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
-
-#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
-#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
-
-#define mflo0() _umips_dsp_mflo(0)
-#define mflo1() _umips_dsp_mflo(1)
-#define mflo2() _umips_dsp_mflo(2)
-#define mflo3() _umips_dsp_mflo(3)
-
-#define mfhi0() _umips_dsp_mfhi(0)
-#define mfhi1() _umips_dsp_mfhi(1)
-#define mfhi2() _umips_dsp_mfhi(2)
-#define mfhi3() _umips_dsp_mfhi(3)
-
-#define mtlo0(x) _umips_dsp_mtlo(x, 0)
-#define mtlo1(x) _umips_dsp_mtlo(x, 1)
-#define mtlo2(x) _umips_dsp_mtlo(x, 2)
-#define mtlo3(x) _umips_dsp_mtlo(x, 3)
-
-#define mthi0(x) _umips_dsp_mthi(x, 0)
-#define mthi1(x) _umips_dsp_mthi(x, 1)
-#define mthi2(x) _umips_dsp_mthi(x, 2)
-#define mthi3(x) _umips_dsp_mthi(x, 3)
-
-#else  /* !CONFIG_CPU_MICROMIPS */
-#define rddsp(mask)							\
-({									\
-	unsigned int __res;						\
-									\
-	__asm__ __volatile__(						\
-	"	.set	push				\n"		\
-	"	.set	noat				\n"		\
-	"	# rddsp $1, %x1				\n"		\
-	"	.word	0x7c000cb8 | (%x1 << 16)	\n"		\
-	"	move	%0, $1				\n"		\
-	"	.set	pop				\n"		\
-	: "=r" (__res)							\
-	: "i" (mask));							\
-	__res;								\
-})
-
-#define wrdsp(val, mask)						\
-do {									\
-	__asm__ __volatile__(						\
-	"	.set	push					\n"	\
-	"	.set	noat					\n"	\
-	"	move	$1, %0					\n"	\
-	"	# wrdsp $1, %x1					\n"	\
-	"	.word	0x7c2004f8 | (%x1 << 11)		\n"	\
-	"	.set	pop					\n"	\
-        :								\
-	: "r" (val), "i" (mask));					\
-} while (0)
-
 #define _dsp_mfxxx(ins)							\
 ({									\
 	unsigned long __treg;						\
@ -2370,7 +2328,8 @@ do {									\
 	__asm__ __volatile__(						\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
-	"	.word	(0x00000810 | %1)			\n"	\
+	_ASM_INSN_IF_MIPS(0x00000810 | %X1)				\
+	_ASM_INSN32_IF_MM(0x0001007c | %x1)				\
 	"	move	%0, $1					\n"	\
 	"	.set	pop					\n"	\
 	: "=r" (__treg)							\
@ -2384,18 +2343,31 @@ do {									\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
 	"	move	$1, %0					\n"	\
-	"	.word	(0x00200011 | %1)			\n"	\
+	_ASM_INSN_IF_MIPS(0x00200011 | %X1)				\
+	_ASM_INSN32_IF_MM(0x0001207c | %x1)				\
 	"	.set	pop					\n"	\
 	:								\
 	: "r" (val), "i" (ins));					\
 } while (0)

+#ifdef CONFIG_CPU_MICROMIPS
+
+#define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000)
+#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000)
+
+#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000))
+#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000))
+
+#else  /* !CONFIG_CPU_MICROMIPS */
+
 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)

 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))

+#endif /* CONFIG_CPU_MICROMIPS */
+
 #define mflo0() _dsp_mflo(0)
 #define mflo1() _dsp_mflo(1)
 #define mflo2() _dsp_mflo(2)
@ -2416,7 +2388,6 @@ do {									\
 #define mthi2(x) _dsp_mthi(x, 2)
 #define mthi3(x) _dsp_mthi(x, 3)

-#endif /* CONFIG_CPU_MICROMIPS */
 #endif

 /*
@ -2556,28 +2527,32 @@ static inline void guest_tlb_probe(void)
 {
 	__asm__ __volatile__(
 		"# tlbgp\n\t"
-		".word 0x42000010");
+		_ASM_INSN_IF_MIPS(0x42000010)
+		_ASM_INSN32_IF_MM(0x0000017c));
 }

 static inline void guest_tlb_read(void)
 {
 	__asm__ __volatile__(
 		"# tlbgr\n\t"
-		".word 0x42000009");
+		_ASM_INSN_IF_MIPS(0x42000009)
+		_ASM_INSN32_IF_MM(0x0000117c));
 }

 static inline void guest_tlb_write_indexed(void)
 {
 	__asm__ __volatile__(
 		"# tlbgwi\n\t"
-		".word 0x4200000a");
+		_ASM_INSN_IF_MIPS(0x4200000a)
+		_ASM_INSN32_IF_MM(0x0000217c));
 }

 static inline void guest_tlb_write_random(void)
 {
 	__asm__ __volatile__(
 		"# tlbgwr\n\t"
-		".word 0x4200000e");
+		_ASM_INSN_IF_MIPS(0x4200000e)
+		_ASM_INSN32_IF_MM(0x0000317c));
 }

 /*
@ -2587,7 +2562,8 @@ static inline void guest_tlbinvf(void)
 {
 	__asm__ __volatile__(
 		"# tlbginvf\n\t"
-		".word 0x4200000c");
+		_ASM_INSN_IF_MIPS(0x4200000c)
+		_ASM_INSN32_IF_MM(0x0000517c));
 }

 #endif	/* !TOOLCHAIN_SUPPORTS_VIRT */
--- a/arch/mips/include/asm/msa.h
+++ b/arch/mips/include/asm/msa.h
@ -192,13 +192,6 @@ static inline void write_msa_##name(unsigned int val)		\
 * allow compilation with toolchains that do not support MSA. Once all
 * toolchains in use support MSA these can be removed.
 */
-#ifdef CONFIG_CPU_MICROMIPS
-#define CFC_MSA_INSN	0x587e0056
-#define CTC_MSA_INSN	0x583e0816
-#else
-#define CFC_MSA_INSN	0x787e0059
-#define CTC_MSA_INSN	0x783e0819
-#endif

 #define __BUILD_MSA_CTL_REG(name, cs)				\
 static inline unsigned int read_msa_##name(void)		\
@ -207,11 +200,12 @@ static inline unsigned int read_msa_##name(void)		\
 	__asm__ __volatile__(					\
 	"	.set	push\n"					\
 	"	.set	noat\n"					\
-	"	.insn\n"					\
-	"	.word	%1 | (" #cs " << 11)\n"			\
+	"	# cfcmsa $1, $%1\n"				\
+	_ASM_INSN_IF_MIPS(0x787e0059 | %1 << 11)		\
+	_ASM_INSN32_IF_MM(0x587e0056 | %1 << 11)		\
 	"	move	%0, $1\n"				\
 	"	.set	pop\n"					\
-	: "=r"(reg) : "i"(CFC_MSA_INSN));			\
+	: "=r"(reg) : "i"(cs));					\
 	return reg;						\
 }								\
 								\
@ -221,10 +215,11 @@ static inline void write_msa_##name(unsigned int val)		\
 	"	.set	push\n"					\
 	"	.set	noat\n"					\
 	"	move	$1, %0\n"				\
-	"	.insn\n"					\
-	"	.word	%1 | (" #cs " << 6)\n"			\
+	"	# ctcmsa $%1, $1\n"				\
+	_ASM_INSN_IF_MIPS(0x783e0819 | %1 << 6)			\
+	_ASM_INSN32_IF_MM(0x583e0816 | %1 << 6)			\
 	"	.set	pop\n"					\
-	: : "r"(val), "i"(CTC_MSA_INSN));			\
+	: : "r"(val), "i"(cs));					\
 }

 #endif /* !TOOLCHAIN_SUPPORTS_MSA */
--- a/arch/mips/include/asm/octeon/cvmx-cmd-queue.h
+++ b/arch/mips/include/asm/octeon/cvmx-cmd-queue.h
@ -146,7 +146,7 @@ typedef struct {
 * This structure contains the global state of all command queues.
 * It is stored in a bootmem named block and shared by all
 * applications running on Octeon. Tickets are stored in a differnet
- * cahce line that queue information to reduce the contention on the
+ * cache line that queue information to reduce the contention on the
 * ll/sc used to get a ticket. If this is not the case, the update
 * of queue state causes the ll/sc to fail quite often.
 */
--- a/arch/mips/include/asm/octeon/cvmx-helper-board.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-board.h
@ -94,7 +94,7 @@ extern int cvmx_helper_board_get_mii_address(int ipd_port);
 * @phy_addr:  The address of the PHY to program
 * @link_flags:
 *		    Flags to control autonegotiation.  Bit 0 is autonegotiation
- *		    enable/disable to maintain backware compatibility.
+ *		    enable/disable to maintain backward compatibility.
 * @link_info: Link speed to program. If the speed is zero and autonegotiation
 *		    is enabled, all possible negotiation speeds are advertised.
 *
--- a/arch/mips/include/asm/octeon/cvmx-ipd.h
+++ b/arch/mips/include/asm/octeon/cvmx-ipd.h
@ -39,7 +39,7 @@

 enum cvmx_ipd_mode {
   CVMX_IPD_OPC_MODE_STT = 0LL,	  /* All blocks DRAM, not cached in L2 */
-   CVMX_IPD_OPC_MODE_STF = 1LL,	  /* All bloccks into  L2 */
+   CVMX_IPD_OPC_MODE_STF = 1LL,	  /* All blocks into  L2 */
   CVMX_IPD_OPC_MODE_STF1_STT = 2LL,   /* 1st block L2, rest DRAM */
   CVMX_IPD_OPC_MODE_STF2_STT = 3LL    /* 1st, 2nd blocks L2, rest DRAM */
 };
--- a/arch/mips/include/asm/octeon/cvmx-pow.h
+++ b/arch/mips/include/asm/octeon/cvmx-pow.h
@ -2051,7 +2051,7 @@ static inline void cvmx_pow_tag_sw_desched(uint32_t tag,
 }

 /**
- * Descchedules the current work queue entry.
+ * Deschedules the current work queue entry.
 *
 * @no_sched: no schedule flag value to be set on the work queue
 *	      entry.  If this is set the entry will not be
--- a/arch/mips/include/asm/sgi/hpc3.h
+++ b/arch/mips/include/asm/sgi/hpc3.h
@ -39,7 +39,7 @@ struct hpc3_pbus_dmacregs {
 	volatile u32 pbdma_dptr;	/* pbus dma channel desc ptr */
 	u32 _unused0[0x1000/4 - 2];	/* padding */
 	volatile u32 pbdma_ctrl;	/* pbus dma channel control register has
-					 * copletely different meaning for read
+					 * completely different meaning for read
 					 * compared with write */
 	/* read */
 #define HPC3_PDMACTRL_INT	0x00000001 /* interrupt (cleared after read) */
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@ -481,7 +481,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
 			/*
 			 * OK we are here either because we hit a NAL
 			 * instruction or because we are emulating an
-			 * old bltzal{,l} one. Lets figure out what the
+			 * old bltzal{,l} one. Let's figure out what the
 			 * case really is.
 			 */
 			if (!insn.i_format.rs) {
@ -515,7 +515,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
 			/*
 			 * OK we are here either because we hit a BAL
 			 * instruction or because we are emulating an
-			 * old bgezal{,l} one. Lets figure out what the
+			 * old bgezal{,l} one. Let's figure out what the
 			 * case really is.
 			 */
 			if (!insn.i_format.rs) {
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@ -441,6 +441,21 @@ LEAF(mips_cps_boot_vpes)
 	mfc0	t0, CP0_CONFIG
 	mttc0	t0, CP0_CONFIG

+	/*
+	 * Copy the EVA config from this VPE if the CPU supports it.
+	 * CONFIG3 must exist to be running MT startup - just read it.
+	 */
+	mfc0	t0, CP0_CONFIG, 3
+	and	t0, t0, MIPS_CONF3_SC
+	beqz	t0, 3f
+	 nop
+	mfc0    t0, CP0_SEGCTL0
+	mttc0	t0, CP0_SEGCTL0
+	mfc0    t0, CP0_SEGCTL1
+	mttc0	t0, CP0_SEGCTL1
+	mfc0    t0, CP0_SEGCTL2
+	mttc0	t0, CP0_SEGCTL2
+3:
 	/* Ensure no software interrupts are pending */
 	mttc0	zero, CP0_CAUSE
 	mttc0	zero, CP0_STATUS
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@ -833,10 +833,8 @@ static inline unsigned int decode_config5(struct cpuinfo_mips *c)
 		c->options |= MIPS_CPU_MAAR;
 	if (config5 & MIPS_CONF5_LLB)
 		c->options |= MIPS_CPU_RW_LLB;
-#ifdef CONFIG_XPA
 	if (config5 & MIPS_CONF5_MVH)
-		c->options |= MIPS_CPU_XPA;
-#endif
+		c->options |= MIPS_CPU_MVH;
 	if (cpu_has_mips_r6 && (config5 & MIPS_CONF5_VP))
 		c->options |= MIPS_CPU_VP;

--- a/arch/mips/kernel/elf.c
+++ b/arch/mips/kernel/elf.c
@ -88,7 +88,7 @@ int arch_elf_pt_proc(void *_ehdr, void *_phdr, struct file *elf,
 	elf32 = ehdr->e32.e_ident[EI_CLASS] == ELFCLASS32;
 	flags = elf32 ? ehdr->e32.e_flags : ehdr->e64.e_flags;

-	/* Lets see if this is an O32 ELF */
+	/* Let's see if this is an O32 ELF */
 	if (elf32) {
 		if (flags & EF_MIPS_FP64) {
 			/*
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@ -54,6 +54,9 @@ void __init init_IRQ(void)
 	for (i = 0; i < NR_IRQS; i++)
 		irq_set_noprobe(i);

+	if (cpu_has_veic)
+		clear_c0_status(ST0_IM);
+
 	arch_init_irq();
 }

--- a/arch/mips/kernel/mips-r2-to-r6-emul.c
+++ b/arch/mips/kernel/mips-r2-to-r6-emul.c
@ -2202,7 +2202,7 @@ fpu_emul:
 	}

 	/*
-	 * Lets not return to userland just yet. It's constly and
+	 * Let's not return to userland just yet. It's costly and
 	 * it's likely we have more R2 instructions to emulate
 	 */
 	if (!err && (pass++ < MIPS_R2_EMUL_TOTAL_PASS)) {
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@ -345,7 +345,7 @@ static int get_frame_info(struct mips_frame_info *info)
 		return 0;
 	if (info->pc_offset < 0) /* leaf */
 		return 1;
-	/* prologue seems boggus... */
+	/* prologue seems bogus... */
 err:
 	return -1;
 }
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@ -770,15 +770,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
 	sigset_t *oldset = sigmask_to_save();
 	int ret;
 	struct mips_abi *abi = current->thread.abi;
-#ifdef CONFIG_CPU_MICROMIPS
-	void *vdso;
-	unsigned long tmp = (unsigned long)current->mm->context.vdso;
-
-	set_isa16_mode(tmp);
-	vdso = (void *)tmp;
-#else
 	void *vdso = current->mm->context.vdso;
-#endif

 	if (regs->regs[0]) {
 		switch(regs->regs[2]) {
--- a/arch/mips/kernel/smp-cps.c
+++ b/arch/mips/kernel/smp-cps.c
@ -359,8 +359,12 @@ static void cps_init_secondary(void)
 		BUG_ON(ident != mips_cm_vp_id(smp_processor_id()));
 	}

-	change_c0_status(ST0_IM, STATUSF_IP2 | STATUSF_IP3 | STATUSF_IP4 |
-				 STATUSF_IP5 | STATUSF_IP6 | STATUSF_IP7);
+	if (cpu_has_veic)
+		clear_c0_status(ST0_IM);
+	else
+		change_c0_status(ST0_IM, STATUSF_IP2 | STATUSF_IP3 |
+					 STATUSF_IP4 | STATUSF_IP5 |
+					 STATUSF_IP6 | STATUSF_IP7);
 }

 static void cps_smp_finish(void)
--- a/arch/mips/lasat/picvue_proc.c
+++ b/arch/mips/lasat/picvue_proc.c
@ -43,7 +43,7 @@ static int pvc_line_proc_show(struct seq_file *m, void *v)
 {
 	int lineno = *(int *)m->private;

-	if (lineno < 0 || lineno > PVC_NLINES) {
+	if (lineno < 0 || lineno >= PVC_NLINES) {
 		printk(KERN_WARNING "proc_read_line: invalid lineno %d\n", lineno);
 		return 0;
 	}
@ -67,7 +67,7 @@ static ssize_t pvc_line_proc_write(struct file *file, const char __user *buf,
 	char kbuf[PVC_LINELEN];
 	size_t len;

-	BUG_ON(lineno < 0 || lineno > PVC_NLINES);
+	BUG_ON(lineno < 0 || lineno >= PVC_NLINES);

 	len = min(count, sizeof(kbuf) - 1);
 	if (copy_from_user(kbuf, buf, len))
--- a/arch/mips/lib/ashldi3.c
+++ b/arch/mips/lib/ashldi3.c
@ -2,7 +2,7 @@

 #include "libgcc.h"

-long long __ashldi3(long long u, word_type b)
+long long notrace __ashldi3(long long u, word_type b)
 {
 	DWunion uu, w;
 	word_type bm;
--- a/arch/mips/lib/ashrdi3.c
+++ b/arch/mips/lib/ashrdi3.c
@ -2,7 +2,7 @@

 #include "libgcc.h"

-long long __ashrdi3(long long u, word_type b)
+long long notrace __ashrdi3(long long u, word_type b)
 {
 	DWunion uu, w;
 	word_type bm;
--- a/arch/mips/lib/bswapdi.c
+++ b/arch/mips/lib/bswapdi.c
@ -1,6 +1,6 @@
 #include <linux/module.h>

-unsigned long long __bswapdi2(unsigned long long u)
+unsigned long long notrace __bswapdi2(unsigned long long u)
 {
 	return (((u) & 0xff00000000000000ull) >> 56) |
 	       (((u) & 0x00ff000000000000ull) >> 40) |
--- a/arch/mips/lib/bswapsi.c
+++ b/arch/mips/lib/bswapsi.c
@ -1,6 +1,6 @@
 #include <linux/module.h>

-unsigned int __bswapsi2(unsigned int u)
+unsigned int notrace __bswapsi2(unsigned int u)
 {
 	return (((u) & 0xff000000) >> 24) |
 	       (((u) & 0x00ff0000) >>  8) |
--- a/arch/mips/lib/cmpdi2.c
+++ b/arch/mips/lib/cmpdi2.c
@ -2,7 +2,7 @@

 #include "libgcc.h"

-word_type __cmpdi2(long long a, long long b)
+word_type notrace __cmpdi2(long long a, long long b)
 {
 	const DWunion au = {
 		.ll = a
--- a/arch/mips/lib/lshrdi3.c
+++ b/arch/mips/lib/lshrdi3.c
@ -2,7 +2,7 @@

 #include "libgcc.h"

-long long __lshrdi3(long long u, word_type b)
+long long notrace __lshrdi3(long long u, word_type b)
 {
 	DWunion uu, w;
 	word_type bm;
--- a/arch/mips/lib/memcpy.S
+++ b/arch/mips/lib/memcpy.S
@ -256,7 +256,7 @@

 	/*
 	 * Macro to build the __copy_user common code
-	 * Arguements:
+	 * Arguments:
 	 * mode : LEGACY_MODE or EVA_MODE
 	 * from : Source operand. USEROP or KERNELOP
 	 * to   : Destination operand. USEROP or KERNELOP
--- a/arch/mips/lib/ucmpdi2.c
+++ b/arch/mips/lib/ucmpdi2.c
@ -2,7 +2,7 @@

 #include "libgcc.h"

-word_type __ucmpdi2(unsigned long long a, unsigned long long b)
+word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b)
 {
 	const DWunion au = {.ll = a};
 	const DWunion bu = {.ll = b};
--- a/arch/mips/loongson64/loongson-3/hpet.c
+++ b/arch/mips/loongson64/loongson-3/hpet.c
@ -212,7 +212,7 @@ static void hpet_setup(void)
 	/* set hpet base address */
 	smbus_write(SMBUS_PCI_REGB4, HPET_ADDR);

-	/* enable decodeing of access to HPET MMIO*/
+	/* enable decoding of access to HPET MMIO*/
 	smbus_enable(SMBUS_PCI_REG40, (1 << 28));

 	/* HPET irq enable */
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@ -8,7 +8,7 @@
 #include "ieee754.h"

 /*
- * Emulate the arbritrary instruction ir at xcp->cp0_epc.  Required when
+ * Emulate the arbitrary instruction ir at xcp->cp0_epc.  Required when
 * we have to emulate the instruction in a COP1 branch delay slot.  Do
 * not change cp0_epc due to the instruction
 *
@ -88,7 +88,7 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
 	fr = (struct emuframe __user *)
 		((regs->regs[29] - sizeof(struct emuframe)) & ~0x7);

-	/* Verify that the stack pointer is not competely insane */
+	/* Verify that the stack pointer is not completely insane */
 	if (unlikely(!access_ok(VERIFY_WRITE, fr, sizeof(struct emuframe))))
 		return SIGBUS;

--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@ -2361,8 +2361,9 @@ static void print_htw_config(void)
 		(config & MIPS_PWFIELD_PTEI_MASK) >> MIPS_PWFIELD_PTEI_SHIFT);

 	config = read_c0_pwsize();
-	pr_debug("PWSize  (0x%0*lx): GDW: 0x%02lx  UDW: 0x%02lx  MDW: 0x%02lx  PTW: 0x%02lx  PTEW: 0x%02lx\n",
+	pr_debug("PWSize  (0x%0*lx): PS: 0x%lx  GDW: 0x%02lx  UDW: 0x%02lx  MDW: 0x%02lx  PTW: 0x%02lx  PTEW: 0x%02lx\n",
 		field, config,
+		(config & MIPS_PWSIZE_PS_MASK) >> MIPS_PWSIZE_PS_SHIFT,
 		(config & MIPS_PWSIZE_GDW_MASK) >> MIPS_PWSIZE_GDW_SHIFT,
 		(config & MIPS_PWSIZE_UDW_MASK) >> MIPS_PWSIZE_UDW_SHIFT,
 		(config & MIPS_PWSIZE_MDW_MASK) >> MIPS_PWSIZE_MDW_SHIFT,
@ -2370,9 +2371,12 @@ static void print_htw_config(void)
 		(config & MIPS_PWSIZE_PTEW_MASK) >> MIPS_PWSIZE_PTEW_SHIFT);

 	pwctl = read_c0_pwctl();
-	pr_debug("PWCtl   (0x%x): PWEn: 0x%x  DPH: 0x%x  HugePg: 0x%x  Psn: 0x%x\n",
+	pr_debug("PWCtl   (0x%x): PWEn: 0x%x  XK: 0x%x  XS: 0x%x  XU: 0x%x  DPH: 0x%x  HugePg: 0x%x  Psn: 0x%x\n",
 		pwctl,
 		(pwctl & MIPS_PWCTL_PWEN_MASK) >> MIPS_PWCTL_PWEN_SHIFT,
+		(pwctl & MIPS_PWCTL_XK_MASK) >> MIPS_PWCTL_XK_SHIFT,
+		(pwctl & MIPS_PWCTL_XS_MASK) >> MIPS_PWCTL_XS_SHIFT,
+		(pwctl & MIPS_PWCTL_XU_MASK) >> MIPS_PWCTL_XU_SHIFT,
 		(pwctl & MIPS_PWCTL_DPH_MASK) >> MIPS_PWCTL_DPH_SHIFT,
 		(pwctl & MIPS_PWCTL_HUGEPG_MASK) >> MIPS_PWCTL_HUGEPG_SHIFT,
 		(pwctl & MIPS_PWCTL_PSN_MASK) >> MIPS_PWCTL_PSN_SHIFT);
@ -2427,15 +2431,25 @@ static void config_htw_params(void)
 	if (CONFIG_PGTABLE_LEVELS >= 3)
 		pwsize |= ilog2(PTRS_PER_PMD) << MIPS_PWSIZE_MDW_SHIFT;

-	pwsize |= ilog2(sizeof(pte_t)/4) << MIPS_PWSIZE_PTEW_SHIFT;
+	/* Set pointer size to size of directory pointers */
+	if (config_enabled(CONFIG_64BIT))
+		pwsize |= MIPS_PWSIZE_PS_MASK;
+	/* PTEs may be multiple pointers long (e.g. with XPA) */
+	pwsize |= ((PTE_T_LOG2 - PGD_T_LOG2) << MIPS_PWSIZE_PTEW_SHIFT)
+			& MIPS_PWSIZE_PTEW_MASK;

 	write_c0_pwsize(pwsize);

 	/* Make sure everything is set before we enable the HTW */
 	back_to_back_c0_hazard();

-	/* Enable HTW and disable the rest of the pwctl fields */
+	/*
+	 * Enable HTW (and only for XUSeg on 64-bit), and disable the rest of
+	 * the pwctl fields.
+	 */
 	config = 1 << MIPS_PWCTL_PWEN_SHIFT;
+	if (config_enabled(CONFIG_64BIT))
+		config |= MIPS_PWCTL_XU_MASK;
 	write_c0_pwctl(config);
 	pr_info("Hardware Page Table Walker enabled\n");

--- a/arch/mips/oprofile/op_impl.h
+++ b/arch/mips/oprofile/op_impl.h
@ -24,7 +24,7 @@ struct op_counter_config {
 	unsigned long unit_mask;
 };

-/* Per-architecture configury and hooks.  */
+/* Per-architecture configure and hooks.  */
 struct op_mips_model {
 	void (*reg_setup) (struct op_counter_config *);
 	void (*cpu_setup) (void *dummy);
--- a/arch/mips/pci/ops-bridge.c
+++ b/arch/mips/pci/ops-bridge.c
@ -33,9 +33,9 @@ static u32 emulate_ioc3_cfg(int where, int size)
 * The Bridge ASIC supports both type 0 and type 1 access.  Type 1 is
 * not really documented, so right now I can't write code which uses it.
 * Therefore we use type 0 accesses for now even though they won't work
- * correcly for PCI-to-PCI bridges.
+ * correctly for PCI-to-PCI bridges.
 *
- * The function is complicated by the ultimate brokeness of the IOC3 chip
+ * The function is complicated by the ultimate brokenness of the IOC3 chip
 * which is used in SGI systems.  The IOC3 can only handle 32-bit PCI
 * accesses and does only decode parts of it's address space.
 */
--- a/arch/mips/pistachio/init.c
+++ b/arch/mips/pistachio/init.c
@ -83,12 +83,16 @@ static void __init plat_setup_iocoherency(void)
 	}
 }

-void __init plat_mem_setup(void)
+void __init *plat_get_fdt(void)
 {
 	if (fw_arg0 != -2)
 		panic("Device-tree not present");
+	return (void *)fw_arg1;
+}

-	__dt_setup_arch((void *)fw_arg1);
+void __init plat_mem_setup(void)
+{
+	__dt_setup_arch(plat_get_fdt());

 	plat_setup_iocoherency();
 }
--- a/arch/mips/ralink/mt7620.c
+++ b/arch/mips/ralink/mt7620.c
@ -188,6 +188,41 @@ static struct rt2880_pmx_func gpio_grp_mt7628[] = {
 	FUNC("gpio", 0, 11, 1),
 };

+static struct rt2880_pmx_func p4led_kn_grp_mt7628[] = {
+	FUNC("jtag", 3, 30, 1),
+	FUNC("util", 2, 30, 1),
+	FUNC("gpio", 1, 30, 1),
+	FUNC("p4led_kn", 0, 30, 1),
+};
+
+static struct rt2880_pmx_func p3led_kn_grp_mt7628[] = {
+	FUNC("jtag", 3, 31, 1),
+	FUNC("util", 2, 31, 1),
+	FUNC("gpio", 1, 31, 1),
+	FUNC("p3led_kn", 0, 31, 1),
+};
+
+static struct rt2880_pmx_func p2led_kn_grp_mt7628[] = {
+	FUNC("jtag", 3, 32, 1),
+	FUNC("util", 2, 32, 1),
+	FUNC("gpio", 1, 32, 1),
+	FUNC("p2led_kn", 0, 32, 1),
+};
+
+static struct rt2880_pmx_func p1led_kn_grp_mt7628[] = {
+	FUNC("jtag", 3, 33, 1),
+	FUNC("util", 2, 33, 1),
+	FUNC("gpio", 1, 33, 1),
+	FUNC("p1led_kn", 0, 33, 1),
+};
+
+static struct rt2880_pmx_func p0led_kn_grp_mt7628[] = {
+	FUNC("jtag", 3, 34, 1),
+	FUNC("rsvd", 2, 34, 1),
+	FUNC("gpio", 1, 34, 1),
+	FUNC("p0led_kn", 0, 34, 1),
+};
+
 static struct rt2880_pmx_func wled_kn_grp_mt7628[] = {
 	FUNC("rsvd", 3, 35, 1),
 	FUNC("rsvd", 2, 35, 1),
@ -195,16 +230,61 @@ static struct rt2880_pmx_func wled_kn_grp_mt7628[] = {
 	FUNC("wled_kn", 0, 35, 1),
 };

+static struct rt2880_pmx_func p4led_an_grp_mt7628[] = {
+	FUNC("jtag", 3, 39, 1),
+	FUNC("util", 2, 39, 1),
+	FUNC("gpio", 1, 39, 1),
+	FUNC("p4led_an", 0, 39, 1),
+};
+
+static struct rt2880_pmx_func p3led_an_grp_mt7628[] = {
+	FUNC("jtag", 3, 40, 1),
+	FUNC("util", 2, 40, 1),
+	FUNC("gpio", 1, 40, 1),
+	FUNC("p3led_an", 0, 40, 1),
+};
+
+static struct rt2880_pmx_func p2led_an_grp_mt7628[] = {
+	FUNC("jtag", 3, 41, 1),
+	FUNC("util", 2, 41, 1),
+	FUNC("gpio", 1, 41, 1),
+	FUNC("p2led_an", 0, 41, 1),
+};
+
+static struct rt2880_pmx_func p1led_an_grp_mt7628[] = {
+	FUNC("jtag", 3, 42, 1),
+	FUNC("util", 2, 42, 1),
+	FUNC("gpio", 1, 42, 1),
+	FUNC("p1led_an", 0, 42, 1),
+};
+
+static struct rt2880_pmx_func p0led_an_grp_mt7628[] = {
+	FUNC("jtag", 3, 43, 1),
+	FUNC("rsvd", 2, 43, 1),
+	FUNC("gpio", 1, 43, 1),
+	FUNC("p0led_an", 0, 43, 1),
+};
+
 static struct rt2880_pmx_func wled_an_grp_mt7628[] = {
-	FUNC("rsvd", 3, 35, 1),
-	FUNC("rsvd", 2, 35, 1),
-	FUNC("gpio", 1, 35, 1),
-	FUNC("wled_an", 0, 35, 1),
+	FUNC("rsvd", 3, 44, 1),
+	FUNC("rsvd", 2, 44, 1),
+	FUNC("gpio", 1, 44, 1),
+	FUNC("wled_an", 0, 44, 1),
 };

 #define MT7628_GPIO_MODE_MASK		0x3

+#define MT7628_GPIO_MODE_P4LED_KN	58
+#define MT7628_GPIO_MODE_P3LED_KN	56
+#define MT7628_GPIO_MODE_P2LED_KN	54
+#define MT7628_GPIO_MODE_P1LED_KN	52
+#define MT7628_GPIO_MODE_P0LED_KN	50
 #define MT7628_GPIO_MODE_WLED_KN	48
+#define MT7628_GPIO_MODE_P4LED_AN	42
+#define MT7628_GPIO_MODE_P3LED_AN	40
+#define MT7628_GPIO_MODE_P2LED_AN	38
+#define MT7628_GPIO_MODE_P1LED_AN	36
+#define MT7628_GPIO_MODE_P0LED_AN	34
 #define MT7628_GPIO_MODE_WLED_AN	32
 #define MT7628_GPIO_MODE_PWM1		30
 #define MT7628_GPIO_MODE_PWM0		28
@ -223,9 +303,9 @@ static struct rt2880_pmx_func wled_an_grp_mt7628[] = {
 #define MT7628_GPIO_MODE_GPIO		0

 static struct rt2880_pmx_group mt7628an_pinmux_data[] = {
-	GRP_G("pmw1", pwm1_grp_mt7628, MT7628_GPIO_MODE_MASK,
+	GRP_G("pwm1", pwm1_grp_mt7628, MT7628_GPIO_MODE_MASK,
 				1, MT7628_GPIO_MODE_PWM1),
-	GRP_G("pmw0", pwm0_grp_mt7628, MT7628_GPIO_MODE_MASK,
+	GRP_G("pwm0", pwm0_grp_mt7628, MT7628_GPIO_MODE_MASK,
 				1, MT7628_GPIO_MODE_PWM0),
 	GRP_G("uart2", uart2_grp_mt7628, MT7628_GPIO_MODE_MASK,
 				1, MT7628_GPIO_MODE_UART2),
@ -251,8 +331,28 @@ static struct rt2880_pmx_group mt7628an_pinmux_data[] = {
 				1, MT7628_GPIO_MODE_GPIO),
 	GRP_G("wled_an", wled_an_grp_mt7628, MT7628_GPIO_MODE_MASK,
 				1, MT7628_GPIO_MODE_WLED_AN),
+	GRP_G("p0led_an", p0led_an_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P0LED_AN),
+	GRP_G("p1led_an", p1led_an_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P1LED_AN),
+	GRP_G("p2led_an", p2led_an_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P2LED_AN),
+	GRP_G("p3led_an", p3led_an_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P3LED_AN),
+	GRP_G("p4led_an", p4led_an_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P4LED_AN),
 	GRP_G("wled_kn", wled_kn_grp_mt7628, MT7628_GPIO_MODE_MASK,
 				1, MT7628_GPIO_MODE_WLED_KN),
+	GRP_G("p0led_kn", p0led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P0LED_KN),
+	GRP_G("p1led_kn", p1led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P1LED_KN),
+	GRP_G("p2led_kn", p2led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P2LED_KN),
+	GRP_G("p3led_kn", p3led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P3LED_KN),
+	GRP_G("p4led_kn", p4led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P4LED_KN),
 	{ 0 }
 };

--- a/arch/mips/sgi-ip27/ip27-hubio.c
+++ b/arch/mips/sgi-ip27/ip27-hubio.c
@ -105,7 +105,7 @@ static void hub_setup_prb(nasid_t nasid, int prbnum, int credits)
 	prb.iprb_ff = force_fire_and_forget ? 1 : 0;

 	/*
-	 * Set the appropriate number of PIO cresits for the widget.
+	 * Set the appropriate number of PIO credits for the widget.
 	 */
 	prb.iprb_xtalkctr = credits;

--- a/arch/mips/sgi-ip27/ip27-nmi.c
+++ b/arch/mips/sgi-ip27/ip27-nmi.c
@ -23,7 +23,7 @@ typedef unsigned long machreg_t;
 static arch_spinlock_t nmi_lock = __ARCH_SPIN_LOCK_UNLOCKED;

 /*
- * Lets see what else we need to do here. Set up sp, gp?
+ * Let's see what else we need to do here. Set up sp, gp?
 */
 void nmi_dump(void)
 {
--- a/arch/mips/sgi-ip27/ip27-xtalk.c
+++ b/arch/mips/sgi-ip27/ip27-xtalk.c
@ -67,7 +67,7 @@ static int xbow_probe(nasid_t nasid)
 		return -ENODEV;

 	/*
-	 * Okay, here's a xbow. Lets arbitrate and find
+	 * Okay, here's a xbow. Let's arbitrate and find
 	 * out if we should initialize it. Set enabled
 	 * hub connected at highest or lowest widget as
 	 * master.
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@ -263,7 +263,7 @@ spurious_8259A_irq:
 		static int spurious_irq_mask;
 		/*
 		 * At this point we can be sure the IRQ is spurious,
-		 * lets ACK and report it. [once per IRQ]
+		 * let's ACK and report it. [once per IRQ]
 		 */
 		if (!(spurious_irq_mask & irqmask)) {
 			printk(KERN_DEBUG
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@ -5,10 +5,12 @@ obj-vdso-y := elf.o gettimeofday.o sigreturn.o
 ccflags-vdso := \
 	$(filter -I%,$(KBUILD_CFLAGS)) \
 	$(filter -E%,$(KBUILD_CFLAGS)) \
+	$(filter -mmicromips,$(KBUILD_CFLAGS)) \
 	$(filter -march=%,$(KBUILD_CFLAGS))
 cflags-vdso := $(ccflags-vdso) \
 	$(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \
-	-O2 -g -fPIC -fno-common -fno-builtin -G 0 -DDISABLE_BRANCH_PROFILING \
+	-O2 -g -fPIC -fno-strict-aliasing -fno-common -fno-builtin -G 0 \
+	-DDISABLE_BRANCH_PROFILING \
 	$(call cc-option, -fno-stack-protector)
 aflags-vdso := $(ccflags-vdso) \
 	$(filter -I%,$(KBUILD_CFLAGS)) \
--- a/arch/mips/vr41xx/common/cmu.c
+++ b/arch/mips/vr41xx/common/cmu.c
@ -3,7 +3,7 @@
 *
 *  Copyright (C) 2001-2002  MontaVista Software Inc.
 *    Author: Yoichi Yuasa <source@mvista.com>
- *  Copuright (C) 2003-2005  Yoichi Yuasa <yuasa@linux-mips.org>
+ *  Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@linux-mips.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
--- a/arch/um/include/shared/registers.h
+++ b/arch/um/include/shared/registers.h
@ -9,6 +9,8 @@
 #include <sysdep/ptrace.h>
 #include <sysdep/archsetjmp.h>

+extern int save_i387_registers(int pid, unsigned long *fp_regs);
+extern int restore_i387_registers(int pid, unsigned long *fp_regs);
 extern int save_fp_registers(int pid, unsigned long *fp_regs);
 extern int restore_fp_registers(int pid, unsigned long *fp_regs);
 extern int save_fpx_registers(int pid, unsigned long *fp_regs);
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@ -398,6 +398,6 @@ int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu)
 {
 	int cpu = current_thread_info()->cpu;

-	return save_fp_registers(userspace_pid[cpu], (unsigned long *) fpu);
+	return save_i387_registers(userspace_pid[cpu], (unsigned long *) fpu);
 }

--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@ -29,23 +29,29 @@ void (*sig_info[NSIG])(int, struct siginfo *, struct uml_pt_regs *) = {

 static void sig_handler_common(int sig, struct siginfo *si, mcontext_t *mc)
 {
-	struct uml_pt_regs r;
+	struct uml_pt_regs *r;
 	int save_errno = errno;

-	r.is_user = 0;
+	r = malloc(sizeof(struct uml_pt_regs));
+	if (!r)
+		panic("out of memory");
+
+	r->is_user = 0;
 	if (sig == SIGSEGV) {
 		/* For segfaults, we want the data from the sigcontext. */
-		get_regs_from_mc(&r, mc);
-		GET_FAULTINFO_FROM_MC(r.faultinfo, mc);
+		get_regs_from_mc(r, mc);
+		GET_FAULTINFO_FROM_MC(r->faultinfo, mc);
 	}

 	/* enable signals if sig isn't IRQ signal */
 	if ((sig != SIGIO) && (sig != SIGWINCH) && (sig != SIGALRM))
 		unblock_signals();

-	(*sig_info[sig])(sig, si, &r);
+	(*sig_info[sig])(sig, si, r);

 	errno = save_errno;
+
+	free(r);
 }

 /*
@ -83,11 +89,17 @@ void sig_handler(int sig, struct siginfo *si, mcontext_t *mc)

 static void timer_real_alarm_handler(mcontext_t *mc)
 {
-	struct uml_pt_regs regs;
+	struct uml_pt_regs *regs;
+
+	regs = malloc(sizeof(struct uml_pt_regs));
+	if (!regs)
+		panic("out of memory");

 	if (mc != NULL)
-		get_regs_from_mc(&regs, mc);
-	timer_handler(SIGALRM, NULL, &regs);
+		get_regs_from_mc(regs, mc);
+	timer_handler(SIGALRM, NULL, regs);
+
+	free(regs);
 }

 void timer_alarm_handler(int sig, struct siginfo *unused_si, mcontext_t *mc)
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@ -116,12 +116,12 @@ static struct linux_binfmt aout_format = {
 	.min_coredump	= PAGE_SIZE
 };

-static unsigned long set_brk(unsigned long start, unsigned long end)
+static int set_brk(unsigned long start, unsigned long end)
 {
 	start = PAGE_ALIGN(start);
 	end = PAGE_ALIGN(end);
 	if (end <= start)
-		return start;
+		return 0;
 	return vm_brk(start, end - start);
 }

@ -321,7 +321,7 @@ static int load_aout_binary(struct linux_binprm *bprm)

 		error = vm_brk(text_addr & PAGE_MASK, map_size);

-		if (error != (text_addr & PAGE_MASK))
+		if (error)
 			return error;

 		error = read_code(bprm->file, text_addr, 32,
@ -350,7 +350,7 @@ static int load_aout_binary(struct linux_binprm *bprm)

 		if (!bprm->file->f_op->mmap || (fd_offset & ~PAGE_MASK) != 0) {
 			error = vm_brk(N_TXTADDR(ex), ex.a_text+ex.a_data);
-			if (IS_ERR_VALUE(error))
+			if (error)
 				return error;

 			read_code(bprm->file, N_TXTADDR(ex), fd_offset,
@ -378,7 +378,7 @@ static int load_aout_binary(struct linux_binprm *bprm)

 beyond_if:
 	error = set_brk(current->mm->start_brk, current->mm->brk);
-	if (IS_ERR_VALUE(error))
+	if (error)
 		return error;

 	set_binfmt(&aout_format);
@ -441,7 +441,7 @@ static int load_aout_library(struct file *file)
 		}
 #endif
 		retval = vm_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss);
-		if (IS_ERR_VALUE(retval))
+		if (retval)
 			goto out;

 		read_code(file, start_addr, N_TXTOFF(ex),
@ -461,9 +461,8 @@ static int load_aout_library(struct file *file)
 	len = PAGE_ALIGN(ex.a_text + ex.a_data);
 	bss = ex.a_text + ex.a_data + ex.a_bss;
 	if (bss > len) {
-		error = vm_brk(start_addr + len, bss - len);
-		retval = error;
-		if (error != start_addr + len)
+		retval = vm_brk(start_addr + len, bss - len);
+		if (retval)
 			goto out;
 	}
 	retval = 0;
--- a/arch/x86/include/asm/intel_telemetry.h
+++ b/arch/x86/include/asm/intel_telemetry.h
@ -99,7 +99,7 @@ struct telemetry_core_ops {
 	int (*reset_events)(void);
 };

-int telemetry_set_pltdata(struct telemetry_core_ops *ops,
+int telemetry_set_pltdata(const struct telemetry_core_ops *ops,
 			  struct telemetry_plt_config *pltconfig);

 int telemetry_clear_pltdata(void);
--- a/arch/x86/include/asm/pmc_core.h
+++ b/arch/x86/include/asm/pmc_core.h
@ -0,0 +1,27 @@
+/*
+ * Intel Core SoC Power Management Controller Header File
+ *
+ * Copyright (c) 2016, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * Authors: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
+ *          Vishwanath Somayaji <vishwanath.somayaji@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ */
+
+#ifndef _ASM_PMC_CORE_H
+#define _ASM_PMC_CORE_H
+
+/* API to read SLP_S0_RESIDENCY counter */
+int intel_pmc_slp_s0_counter_read(u32 *data);
+
+#endif /* _ASM_PMC_CORE_H */
--- a/arch/x86/um/os-Linux/registers.c
+++ b/arch/x86/um/os-Linux/registers.c
@ -11,21 +11,56 @@
 #endif
 #include <longjmp.h>
 #include <sysdep/ptrace_user.h>
+#include <sys/uio.h>
+#include <asm/sigcontext.h>
+#include <linux/elf.h>

-int save_fp_registers(int pid, unsigned long *fp_regs)
+int have_xstate_support;
+
+int save_i387_registers(int pid, unsigned long *fp_regs)
 {
 	if (ptrace(PTRACE_GETFPREGS, pid, 0, fp_regs) < 0)
 		return -errno;
 	return 0;
 }

-int restore_fp_registers(int pid, unsigned long *fp_regs)
+int save_fp_registers(int pid, unsigned long *fp_regs)
+{
+	struct iovec iov;
+
+	if (have_xstate_support) {
+		iov.iov_base = fp_regs;
+		iov.iov_len = sizeof(struct _xstate);
+		if (ptrace(PTRACE_GETREGSET, pid, NT_X86_XSTATE, &iov) < 0)
+			return -errno;
+		return 0;
+	} else {
+		return save_i387_registers(pid, fp_regs);
+	}
+}
+
+int restore_i387_registers(int pid, unsigned long *fp_regs)
 {
 	if (ptrace(PTRACE_SETFPREGS, pid, 0, fp_regs) < 0)
 		return -errno;
 	return 0;
 }

+int restore_fp_registers(int pid, unsigned long *fp_regs)
+{
+	struct iovec iov;
+
+	if (have_xstate_support) {
+		iov.iov_base = fp_regs;
+		iov.iov_len = sizeof(struct _xstate);
+		if (ptrace(PTRACE_SETREGSET, pid, NT_X86_XSTATE, &iov) < 0)
+			return -errno;
+		return 0;
+	} else {
+		return restore_i387_registers(pid, fp_regs);
+	}
+}
+
 #ifdef __i386__
 int have_fpx_regs = 1;
 int save_fpx_registers(int pid, unsigned long *fp_regs)
@ -85,6 +120,16 @@ int put_fp_registers(int pid, unsigned long *regs)
 	return restore_fp_registers(pid, regs);
 }

+void arch_init_registers(int pid)
+{
+	struct _xstate fp_regs;
+	struct iovec iov;
+
+	iov.iov_base = &fp_regs;
+	iov.iov_len = sizeof(struct _xstate);
+	if (ptrace(PTRACE_GETREGSET, pid, NT_X86_XSTATE, &iov) == 0)
+		have_xstate_support = 1;
+}
 #endif

 unsigned long get_thread_reg(int reg, jmp_buf *buf)
--- a/arch/x86/um/ptrace_32.c
+++ b/arch/x86/um/ptrace_32.c
@ -194,7 +194,8 @@ static int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *c
 	int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
 	struct user_i387_struct fpregs;

-	err = save_fp_registers(userspace_pid[cpu], (unsigned long *) &fpregs);
+	err = save_i387_registers(userspace_pid[cpu],
+				  (unsigned long *) &fpregs);
 	if (err)
 		return err;

@ -214,7 +215,7 @@ static int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *c
 	if (n > 0)
 		return -EFAULT;

-	return restore_fp_registers(userspace_pid[cpu],
+	return restore_i387_registers(userspace_pid[cpu],
 				    (unsigned long *) &fpregs);
 }

--- a/Show More
+++ b/Show More