Merge branch 'linus' into smp/urgent

Ensure that all usage sites of get/put_online_cpus() except for the
struggler in drivers/thermal are gone. So the last user and the deprecated
inlines can be removed.

.mailmap

@@ -229,6 +229,7 @@ Matthew Wilcox <[email protected]> <[email protected]>
 Matthew Wilcox <[email protected]> <[email protected]>
 Matthew Wilcox <[email protected]> <[email protected]>
 Matthew Wilcox <[email protected]> <[email protected]>
+Matthias Fuchs <[email protected]> <[email protected]>
 Matthieu CASTET <[email protected]>
 Matt Ranostay <[email protected]> <[email protected]>
 Matt Ranostay <[email protected]> Matthew Ranostay <[email protected]>
@@ -341,6 +342,7 @@ Sumit Semwal <[email protected]>
 Takashi YOSHII <[email protected]>
 Tejun Heo <[email protected]>
 Thomas Graf <[email protected]>
+Thomas Körper <[email protected]> <[email protected]>
 Thomas Pedersen <[email protected]>
 Tiezhu Yang <[email protected]> <[email protected]>
 Todor Tomov <[email protected]> <[email protected]>

Documentation/ABI/stable/sysfs-driver-dma-idxd

@@ -128,6 +128,8 @@ Date:		Aug 28, 2020
 KernelVersion:	5.10.0
 Contact:	[email protected]
 Description:	The last executed device administrative command's status/error.
+		Also last configuration error overloaded.
+		Writing to it will clear the status.
 
 What:		/sys/bus/dsa/devices/wq<m>.<n>/block_on_fault
 Date:		Oct 27, 2020
@@ -211,6 +213,13 @@ Contact:	[email protected]
 Description:	Indicate whether ATS disable is turned on for the workqueue.
 		0 indicates ATS is on, and 1 indicates ATS is off for the workqueue.
 
+What:		/sys/bus/dsa/devices/wq<m>.<n>/occupancy
+Date		May 25, 2021
+KernelVersion:	5.14.0
+Contact:	[email protected]
+Description:	Show the current number of entries in this WQ if WQ Occupancy
+		Support bit WQ capabilities is 1.
+
 What:           /sys/bus/dsa/devices/engine<m>.<n>/group_id
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0

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

@@ -8,9 +8,19 @@ Description:
 		c_chmask	capture channel mask
 		c_srate		capture sampling rate
 		c_ssize		capture sample size (bytes)
+		c_mute_present	capture mute control enable
+		c_volume_present	capture volume control enable
+		c_volume_min	capture volume control min value (in 1/256 dB)
+		c_volume_max	capture volume control max value (in 1/256 dB)
+		c_volume_res	capture volume control resolution (in 1/256 dB)
 		p_chmask	playback channel mask
 		p_srate		playback sampling rate
 		p_ssize		playback sample size (bytes)
+		p_mute_present	playback mute control enable
+		p_volume_present	playback volume control enable
+		p_volume_min	playback volume control min value (in 1/256 dB)
+		p_volume_max	playback volume control max value (in 1/256 dB)
+		p_volume_res	playback volume control resolution (in 1/256 dB)
 		req_number	the number of pre-allocated request
 				for both capture and playback
 		==========	===================================

Documentation/ABI/testing/configfs-usb-gadget-uac2

@@ -9,8 +9,18 @@ Description:
 		c_srate    capture sampling rate
 		c_ssize    capture sample size (bytes)
 		c_sync     capture synchronization type (async/adaptive)
+		c_mute_present	capture mute control enable
+		c_volume_present	capture volume control enable
+		c_volume_min	capture volume control min value (in 1/256 dB)
+		c_volume_max	capture volume control max value (in 1/256 dB)
+		c_volume_res	capture volume control resolution (in 1/256 dB)
 		fb_max     maximum extra bandwidth in async mode
 		p_chmask   playback channel mask
 		p_srate    playback sampling rate
 		p_ssize    playback sample size (bytes)
+		p_mute_present	playback mute control enable
+		p_volume_present	playback volume control enable
+		p_volume_min	playback volume control min value (in 1/256 dB)
+		p_volume_max	playback volume control max value (in 1/256 dB)
+		p_volume_res	playback volume control resolution (in 1/256 dB)
 		=========  ============================

Documentation/ABI/testing/debugfs-driver-habanalabs

@@ -215,6 +215,17 @@ Description:    Sets the skip reset on timeout option for the device. Value of
                 "0" means device will be reset in case some CS has timed out,
                 otherwise it will not be reset.
 
+What:           /sys/kernel/debug/habanalabs/hl<n>/state_dump
+Date:           Oct 2021
+KernelVersion:  5.15
+Contact:        [email protected]
+Description:    Gets the state dump occurring on a CS timeout or failure.
+                State dump is used for debug and is created each time in case of
+                a problem in a CS execution, before reset.
+                Reading from the node returns the newest state dump available.
+                Writing an integer X discards X state dumps, so that the
+                next read would return X+1-st newest state dump.
+
 What:           /sys/kernel/debug/habanalabs/hl<n>/stop_on_err
 Date:           Mar 2020
 KernelVersion:  5.6
@@ -230,6 +241,14 @@ Description:    Displays a list with information about the currently user
                 pointers (user virtual addresses) that are pinned and mapped
                 to DMA addresses
 
+What:           /sys/kernel/debug/habanalabs/hl<n>/userptr_lookup
+Date:           Aug 2021
+KernelVersion:  5.15
+Contact:        [email protected]
+Description:    Allows to search for specific user pointers (user virtual
+                addresses) that are pinned and mapped to DMA addresses, and see
+                their resolution to the specific dma address.
+
 What:           /sys/kernel/debug/habanalabs/hl<n>/vm
 Date:           Jan 2019
 KernelVersion:  5.1

Documentation/ABI/testing/dell-smbios-wmi

@@ -1,7 +1,7 @@
 What:		/dev/wmi/dell-smbios
 Date:		November 2017
 KernelVersion:	4.15
-Contact:	"Mario Limonciello" <mario.limonciello@dell.com>
+Contact:	Dell.Client.Kernel@dell.com
 Description:
 		Perform SMBIOS calls on supported Dell machines.
 		through the Dell ACPI-WMI interface.

Documentation/ABI/testing/ima_policy

@@ -27,12 +27,13 @@ Description:
 			lsm:	[[subj_user=] [subj_role=] [subj_type=]
 				 [obj_user=] [obj_role=] [obj_type=]]
 			option:	[[appraise_type=]] [template=] [permit_directio]
-				[appraise_flag=] [keyrings=]
+				[appraise_flag=] [appraise_algos=] [keyrings=]
 		  base:
 			func:= [BPRM_CHECK][MMAP_CHECK][CREDS_CHECK][FILE_CHECK][MODULE_CHECK]
-			        [FIRMWARE_CHECK]
+				[FIRMWARE_CHECK]
 				[KEXEC_KERNEL_CHECK] [KEXEC_INITRAMFS_CHECK]
 				[KEXEC_CMDLINE] [KEY_CHECK] [CRITICAL_DATA]
+				[SETXATTR_CHECK]
 			mask:= [[^]MAY_READ] [[^]MAY_WRITE] [[^]MAY_APPEND]
 			       [[^]MAY_EXEC]
 			fsmagic:= hex value
@@ -55,6 +56,10 @@ Description:
 			label:= [selinux]|[kernel_info]|[data_label]
 			data_label:= a unique string used for grouping and limiting critical data.
 			For example, "selinux" to measure critical data for SELinux.
+			appraise_algos:= comma-separated list of hash algorithms
+			For example, "sha256,sha512" to only accept to appraise
+			files where the security.ima xattr was hashed with one
+			of these two algorithms.
 
 		  default policy:
 			# PROC_SUPER_MAGIC
@@ -134,3 +139,9 @@ Description:
 		keys added to .builtin_trusted_keys or .ima keyring:
 
 			measure func=KEY_CHECK keyrings=.builtin_trusted_keys|.ima
+
+		Example of the special SETXATTR_CHECK appraise rule, that
+		restricts the hash algorithms allowed when writing to the
+		security.ima xattr of a file:
+
+			appraise func=SETXATTR_CHECK appraise_algos=sha256,sha384,sha512

Documentation/ABI/testing/sysfs-block

@@ -28,6 +28,18 @@ Description:
 		For more details refer Documentation/admin-guide/iostats.rst
 
 
+What:		/sys/block/<disk>/diskseq
+Date:		February 2021
+Contact:	Matteo Croce <[email protected]>
+Description:
+		The /sys/block/<disk>/diskseq files reports the disk
+		sequence number, which is a monotonically increasing
+		number assigned to every drive.
+		Some devices, like the loop device, refresh such number
+		every time the backing file is changed.
+		The value type is 64 bit unsigned.
+
+
 What:		/sys/block/<disk>/<part>/stat
 Date:		February 2008
 Contact:	Jerome Marchand <[email protected]>

Documentation/ABI/testing/sysfs-block-device

@@ -55,6 +55,43 @@ Date:		Oct, 2016
 KernelVersion:	v4.10
 Contact:	[email protected]
 Description:
-		(RW) Write to the file to turn on or off the SATA ncq (native
-		command queueing) support. By default this feature is turned
-		off.
+		(RW) Write to the file to turn on or off the SATA NCQ (native
+		command queueing) priority support. By default this feature is
+		turned off. If the device does not support the SATA NCQ
+		priority feature, writing "1" to this file results in an error
+		(see ncq_prio_supported).
+
+
+What:		/sys/block/*/device/sas_ncq_prio_enable
+Date:		Oct, 2016
+KernelVersion:	v4.10
+Contact:	[email protected]
+Description:
+		(RW) This is the equivalent of the ncq_prio_enable attribute
+		file for SATA devices connected to a SAS host-bus-adapter
+		(HBA) implementing support for the SATA NCQ priority feature.
+		This file does not exist if the HBA driver does not implement
+		support for the SATA NCQ priority feature, regardless of the
+		device support for this feature (see sas_ncq_prio_supported).
+
+
+What:		/sys/block/*/device/ncq_prio_supported
+Date:		Aug, 2021
+KernelVersion:	v5.15
+Contact:	[email protected]
+Description:
+		(RO) Indicates if the device supports the SATA NCQ (native
+		command queueing) priority feature.
+
+
+What:		/sys/block/*/device/sas_ncq_prio_supported
+Date:		Aug, 2021
+KernelVersion:	v5.15
+Contact:	[email protected]
+Description:
+		(RO) This is the equivalent of the ncq_prio_supported attribute
+		file for SATA devices connected to a SAS host-bus-adapter
+		(HBA) implementing support for the SATA NCQ priority feature.
+		This file does not exist if the HBA driver does not implement
+		support for the SATA NCQ priority feature, regardless of the
+		device support for this feature.

Documentation/ABI/testing/sysfs-bus-iio-chemical-sgp40

@@ -0,0 +1,31 @@
+What:		/sys/bus/iio/devices/iio:deviceX/out_temp_raw
+Date:		August 2021
+KernelVersion:	5.15
+Contact:	Andreas Klinger <[email protected]>
+Description:
+		Set the temperature. This value is sent to the sensor for
+		temperature compensation.
+		Default value: 25000 (25 °C)
+
+What:		/sys/bus/iio/devices/iio:deviceX/out_humidityrelative_raw
+Date:		August 2021
+KernelVersion:	5.15
+Contact:	Andreas Klinger <[email protected]>
+Description:
+		Set the relative humidity. This value is sent to the sensor for
+		humidity compensation.
+		Default value: 50000 (50 % relative humidity)
+
+What:		/sys/bus/iio/devices/iio:deviceX/in_resistance_calibbias
+Date:		August 2021
+KernelVersion:	5.15
+Contact:	Andreas Klinger <[email protected]>
+Description:
+		Set the bias value for the resistance which is used for
+		calculation of in_concentration_input as follows:
+
+		x = (in_resistance_raw - in_resistance_calibbias) * 0.65
+
+		in_concentration_input = 500 / (1 + e^x)
+
+		Default value: 30000

Documentation/ABI/testing/sysfs-bus-pci

@@ -121,6 +121,23 @@ Description:
 		child buses, and re-discover devices removed earlier
 		from this part of the device tree.
 
+What:		/sys/bus/pci/devices/.../reset_method
+Date:		August 2021
+Contact:	Amey Narkhede <[email protected]>
+Description:
+		Some devices allow an individual function to be reset
+		without affecting other functions in the same slot.
+
+		For devices that have this support, a file named
+		reset_method is present in sysfs.  Reading this file
+		gives names of the supported and enabled reset methods and
+		their ordering.  Writing a space-separated list of names of
+		reset methods sets the reset methods and ordering to be
+		used when resetting the device.  Writing an empty string
+		disables the ability to reset the device.  Writing
+		"default" enables all supported reset methods in the
+		default ordering.
+
 What:		/sys/bus/pci/devices/.../reset
 Date:		July 2009
 Contact:	Michael S. Tsirkin <[email protected]>

Documentation/ABI/testing/sysfs-bus-thunderbolt

@@ -232,7 +232,7 @@ Description:	When new NVM image is written to the non-active NVM
 What:		/sys/bus/thunderbolt/devices/.../nvm_authenticate_on_disconnect
 Date:		Oct 2020
 KernelVersion:	v5.9
-Contact:	Mario Limonciello <mario.limonciello@dell.com>
+Contact:	Mario Limonciello <mario.limonciello@outlook.com>
 Description:	For supported devices, automatically authenticate the new Thunderbolt
 		image when the device is disconnected from the host system.
 

Documentation/ABI/testing/sysfs-class-firmware-attributes

@@ -2,8 +2,8 @@ What:		/sys/class/firmware-attributes/*/attributes/*/
 Date:		February 2021
 KernelVersion:	5.11
 Contact:	Divya Bharathi <[email protected]>,
-		Mario Limonciello <[email protected]>,
 		Prasanth KSR <[email protected]>
+		[email protected]
 Description:
 		A sysfs interface for systems management software to enable
 		configuration capability on supported systems.  This directory
@@ -130,8 +130,8 @@ What:		/sys/class/firmware-attributes/*/authentication/
 Date:		February 2021
 KernelVersion:	5.11
 Contact:	Divya Bharathi <[email protected]>,
-		Mario Limonciello <[email protected]>,
 		Prasanth KSR <[email protected]>
+		[email protected]
 Description:
 		Devices support various authentication mechanisms which can be exposed
 		as a separate configuration object.
@@ -220,8 +220,8 @@ What:		/sys/class/firmware-attributes/*/attributes/pending_reboot
 Date:		February 2021
 KernelVersion:	5.11
 Contact:	Divya Bharathi <[email protected]>,
-		Mario Limonciello <[email protected]>,
 		Prasanth KSR <[email protected]>
+		[email protected]
 Description:
 		A read-only attribute reads 1 if a reboot is necessary to apply
 		pending BIOS attribute changes. Also, an uevent_KOBJ_CHANGE is
@@ -249,8 +249,8 @@ What:		/sys/class/firmware-attributes/*/attributes/reset_bios
 Date:		February 2021
 KernelVersion:	5.11
 Contact:	Divya Bharathi <[email protected]>,
-		Mario Limonciello <[email protected]>,
 		Prasanth KSR <[email protected]>
+		[email protected]
 Description:
 		This attribute can be used to reset the BIOS Configuration.
 		Specifically, it tells which type of reset BIOS configuration is being
@@ -272,3 +272,14 @@ Description:
 
 		Note that any changes to this attribute requires a reboot
 		for changes to take effect.
+
+What:		/sys/class/firmware-attributes/*/attributes/debug_cmd
+Date:		July 2021
+KernelVersion:	5.14
+Contact:	Mark Pearson <[email protected]>
+Description:
+		This write only attribute can be used to send debug commands to the BIOS.
+		This should only be used when recommended by the BIOS vendor. Vendors may
+		use it to enable extra debug attributes or BIOS features for testing purposes.
+
+		Note that any changes to this attribute requires a reboot for changes to take effect.

Documentation/ABI/testing/sysfs-devices-system-cpu

@@ -494,6 +494,15 @@ Description:	AArch64 CPU registers
 		'identification' directory exposes the CPU ID registers for
 		identifying model and revision of the CPU.
 
+What:		/sys/devices/system/cpu/aarch32_el0
+Date:		May 2021
+Contact:	Linux ARM Kernel Mailing list <[email protected]>
+Description:	Identifies the subset of CPUs in the system that can execute
+		AArch32 (32-bit ARM) applications. If present, the same format as
+		/sys/devices/system/cpu/{offline,online,possible,present} is used.
+		If absent, then all or none of the CPUs can execute AArch32
+		applications and execve() will behave accordingly.
+
 What:		/sys/devices/system/cpu/cpu#/cpu_capacity
 Date:		December 2016
 Contact:	Linux kernel mailing list <[email protected]>
@@ -640,3 +649,20 @@ Description:	SPURR ticks for cpuX when it was idle.
 
 		This sysfs interface exposes the number of SPURR ticks
 		for cpuX when it was idle.
+
+What: 		/sys/devices/system/cpu/cpuX/mte_tcf_preferred
+Date:		July 2021
+Contact:	Linux ARM Kernel Mailing list <[email protected]>
+Description:	Preferred MTE tag checking mode
+
+		When a user program specifies more than one MTE tag checking
+		mode, this sysfs node is used to specify which mode should
+		be preferred when scheduling a task on that CPU. Possible
+		values:
+
+		================  ==============================================
+		"sync"	  	  Prefer synchronous mode
+		"async"	  	  Prefer asynchronous mode
+		================  ==============================================
+
+		See also: Documentation/arm64/memory-tagging-extension.rst

Documentation/ABI/testing/sysfs-driver-ge-achc

@@ -0,0 +1,15 @@
+What:		/sys/bus/spi/<dev>/update_firmware
+Date:		Jul 2021
+Contact:	[email protected]
+Description:	Write 1 to this file to update the ACHC microcontroller
+		firmware via the EzPort interface. For this the kernel
+		will load "achc.bin" via the firmware API (so usually
+		from /lib/firmware). The write will block until the FW
+		has either been flashed successfully or an error occured.
+
+What:		/sys/bus/spi/<dev>/reset
+Date:		Jul 2021
+Contact:	[email protected]
+Description:	This file represents the microcontroller's reset line.
+                1 means the reset line is asserted, 0 means it's not
+		asserted. The file is read and writable.