merckhung · jglathe · May 24, 2023 · Jun 5, 2023 · May 21, 2023 · Jun 2, 2023
diff --git a/.clang-format b/.clang-format
@@ -520,7 +520,7 @@ ForEachMacros:
   - 'of_property_for_each_string'
   - 'of_property_for_each_u32'
   - 'pci_bus_for_each_resource'
-  - 'pci_doe_for_each_off'
+  - 'pci_dev_for_each_resource'
   - 'pcl_for_each_chunk'
   - 'pcl_for_each_segment'
   - 'pcm_for_each_format'

diff --git a/.gitignore b/.gitignore
@@ -103,6 +103,7 @@ modules.order
 !.get_maintainer.ignore
 !.gitattributes
 !.gitignore
+!.kunitconfig
 !.mailmap
 !.rustfmt.toml
 

diff --git a/.mailmap b/.mailmap
@@ -213,7 +213,10 @@ Jeff Garzik <jgarzik@pretzel.yyz.us>
 Jeff Layton <jlayton@kernel.org> <jlayton@poochiereds.net>
 Jeff Layton <jlayton@kernel.org> <jlayton@primarydata.com>
 Jeff Layton <jlayton@kernel.org> <jlayton@redhat.com>
-Jens Axboe <axboe@suse.de>
+Jens Axboe <axboe@kernel.dk> <axboe@suse.de>
+Jens Axboe <axboe@kernel.dk> <jens.axboe@oracle.com>
+Jens Axboe <axboe@kernel.dk> <axboe@fb.com>
+Jens Axboe <axboe@kernel.dk> <axboe@meta.com>
 Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
 Jernej Skrabec <jernej.skrabec@gmail.com> <jernej.skrabec@siol.net>
 Jessica Zhang <quic_jesszhan@quicinc.com> <jesszhan@codeaurora.org>
@@ -328,6 +331,7 @@ Maxime Ripard <mripard@kernel.org> <maxime.ripard@bootlin.com>
 Maxime Ripard <mripard@kernel.org> <maxime.ripard@free-electrons.com>
 Mayuresh Janorkar <mayur@ti.com>
 Michael Buesch <m@bues.ch>
+Michal Simek <michal.simek@amd.com> <michal.simek@xilinx.com>
 Michel Dänzer <michel@tungstengraphics.com>
 Michel Lespinasse <michel@lespinasse.org>
 Michel Lespinasse <michel@lespinasse.org> <walken@google.com>
@@ -360,6 +364,12 @@ Nicolas Pitre <nico@fluxnic.net> <nico@linaro.org>
 Nicolas Saenz Julienne <nsaenz@kernel.org> <nsaenzjulienne@suse.de>
 Nicolas Saenz Julienne <nsaenz@kernel.org> <nsaenzjulienne@suse.com>
 Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
+Nikolay Aleksandrov <razor@blackwall.org> <naleksan@redhat.com>
+Nikolay Aleksandrov <razor@blackwall.org> <nikolay@redhat.com>
+Nikolay Aleksandrov <razor@blackwall.org> <nikolay@cumulusnetworks.com>
+Nikolay Aleksandrov <razor@blackwall.org> <nikolay@nvidia.com>
+Nikolay Aleksandrov <razor@blackwall.org> <nikolay@isovalent.com>
+Oleksandr Natalenko <oleksandr@natalenko.name> <oleksandr@redhat.com>
 Oleksij Rempel <linux@rempel-privat.de> <bug-track@fisher-privat.net>
 Oleksij Rempel <linux@rempel-privat.de> <external.Oleksij.Rempel@de.bosch.com>
 Oleksij Rempel <linux@rempel-privat.de> <fixed-term.Oleksij.Rempel@de.bosch.com>
@@ -375,6 +385,8 @@ Paul E. McKenney <paulmck@kernel.org> <paul.mckenney@linaro.org>
 Paul E. McKenney <paulmck@kernel.org> <paulmck@linux.ibm.com>
 Paul E. McKenney <paulmck@kernel.org> <paulmck@linux.vnet.ibm.com>
 Paul E. McKenney <paulmck@kernel.org> <paulmck@us.ibm.com>
+Paul Mackerras <paulus@ozlabs.org> <paulus@samba.org>
+Paul Mackerras <paulus@ozlabs.org> <paulus@au1.ibm.com>
 Peter A Jonsson <pj@ludd.ltu.se>
 Peter Oruba <peter.oruba@amd.com>
 Peter Oruba <peter@oruba.de>

diff --git a/CREDITS b/CREDITS
@@ -229,6 +229,10 @@ S: University of Notre Dame
 S: Notre Dame, Indiana
 S: USA
 
+N: Kai Bankett
+E: chaosman@ontika.net
+D: QNX6 filesystem
+
 N: Greg Banks
 E: gnb@alphalink.com.au
 D: IDT77105 ATM network driver
@@ -886,6 +890,10 @@ W: http://jdelvare.nerim.net/
 D: Several hardware monitoring drivers
 S: France
 
+N: Frank "Jedi/Sector One" Denis
+E: j@pureftpd.org
+D: QNX4 filesystem
+
 N: Peter Denison
 E: peterd@pnd-pc.demon.co.uk
 W: http://www.pnd-pc.demon.co.uk/promise/
@@ -1259,6 +1267,10 @@ S: USA
 N: Adam Fritzler
 E: mid@zigamorph.net
 
+N: Richard "Scuba" A. Frowijn
+E: scuba@wxs.nl
+D: QNX4 filesystem
+
 N: Fernando Fuganti
 E: fuganti@conectiva.com.br
 E: fuganti@netbank.com.br
@@ -1694,6 +1706,10 @@ S: Panoramastrasse 18
 S: D-69126 Heidelberg
 S: Germany
 
+N: Neil Horman
+M: nhorman@tuxdriver.com
+D: SCTP protocol maintainer.
+
 N: Simon Horman
 M: horms@verge.net.au
 D: Renesas ARM/ARM64 SoC maintainer
@@ -2218,6 +2234,10 @@ D: Digiboard PC/Xe and PC/Xi, Digiboard EPCA
 D: NUMA support, Slab allocators, Page migration
 D: Scalability, Time subsystem
 
+N: Anders Larsen
+E: al@alarsen.net
+D: QNX4 filesystem
+
 N: Paul Laufer
 E: paul@laufernet.com
 D: Soundblaster driver fixes, ISAPnP quirk
@@ -2494,8 +2514,8 @@ D: XF86_8514
 D: cfdisk (curses based disk partitioning program)
 
 N: Mat Martineau
-E: mat@martineau.name
-D: MPTCP subsystem co-maintainer 2020-2023
+E: martineau@kernel.org
+D: MPTCP subsystem co-maintainer
 D: Keyctl restricted keyring and Diffie-Hellman UAPI
 D: Bluetooth L2CAP ERTM mode and AMP
 S: USA
@@ -3459,6 +3479,11 @@ D: several improvements to system programs
 S: Oldenburg
 S: Germany
 
+N: Mathieu Poirier
+E: mathieu.poirier@linaro.org
+D: CoreSight kernel subsystem, Maintainer 2014-2022
+D: Perf tool support for CoreSight
+
 N: Robert Schwebel
 E: robert@schwebel.de
 W: https://www.schwebel.de

diff --git a/...n/ABI/obsolete/sysfs-selinux-checkreqprot → ...on/ABI/removed/sysfs-selinux-checkreqprot b/...n/ABI/obsolete/sysfs-selinux-checkreqprot → ...on/ABI/removed/sysfs-selinux-checkreqprot
@@ -4,6 +4,9 @@ KernelVersion:	2.6.12-rc2 (predates git)
 Contact:	selinux@vger.kernel.org
 Description:
 
+	REMOVAL UPDATE: The SELinux checkreqprot functionality was removed in
+	March 2023, the original deprecation notice is shown below.
+
 	The selinuxfs "checkreqprot" node allows SELinux to be configured
 	to check the protection requested by userspace for mmap/mprotect
 	calls instead of the actual protection applied by the kernel.

diff --git a/...tation/ABI/obsolete/sysfs-selinux-disable → ...ntation/ABI/removed/sysfs-selinux-disable b/...tation/ABI/obsolete/sysfs-selinux-disable → ...ntation/ABI/removed/sysfs-selinux-disable
@@ -4,6 +4,9 @@ KernelVersion:	2.6.12-rc2 (predates git)
 Contact:	selinux@vger.kernel.org
 Description:
 
+	REMOVAL UPDATE: The SELinux runtime disable functionality was removed
+	in March 2023, the original deprecation notice is shown below.
+
 	The selinuxfs "disable" node allows SELinux to be disabled at runtime
 	prior to a policy being loaded into the kernel.  If disabled via this
 	mechanism, SELinux will remain disabled until the system is rebooted.

diff --git a/Documentation/ABI/stable/sysfs-acpi-pmprofile b/Documentation/ABI/stable/sysfs-acpi-pmprofile
@@ -2,16 +2,17 @@ What:		/sys/firmware/acpi/pm_profile
 Date:		03-Nov-2011
 KernelVersion:	v3.2
 Contact:	linux-acpi@vger.kernel.org
-Description:	The ACPI pm_profile sysfs interface exports the platform
-		power management (and performance) requirement expectations
-		as provided by BIOS. The integer value is directly passed as
-		retrieved from the FADT ACPI table.
+Description:	The ACPI pm_profile sysfs interface exposes the preferred
+		power management (and performance) profile of the platform
+		as provided in the ACPI FADT Preferred_PM_Profile field.
 
-Values:	        For possible values see ACPI specification:
-		5.2.9 Fixed ACPI Description Table (FADT)
-		Field: Preferred_PM_Profile
+		The integer value is directly passed as retrieved from the FADT.
 
-		Currently these values are defined by spec:
+Values:	        For the possible values refer to the Preferred_PM_Profile field
+		definition in Table 5.9 "FADT Format", Section 5.2.9 "Fixed ACPI
+		Description Table (FADT)" of the ACPI specification.
+
+		As of ACPI 6.5, the following values are defined:
 
 		== =================
 		0  Unspecified
@@ -22,5 +23,6 @@ Values:	        For possible values see ACPI specification:
 		5  SOHO Server
 		6  Appliance PC
 		7  Performance Server
-		>7 Reserved
+		8  Tablet
+		>8 Reserved
 		== =================
diff --git a/Documentation/ABI/stable/sysfs-block b/Documentation/ABI/stable/sysfs-block
@@ -336,18 +336,11 @@ What:		/sys/block/<disk>/queue/io_poll_delay
 Date:		November 2016
 Contact:	linux-block@vger.kernel.org
 Description:
-		[RW] If polling is enabled, this controls what kind of polling
-		will be performed. It defaults to -1, which is classic polling.
+		[RW] This was used to control what kind of polling will be
+		performed.  It is now fixed to -1, which is classic polling.
 		In this mode, the CPU will repeatedly ask for completions
-		without giving up any time.  If set to 0, a hybrid polling mode
-		is used, where the kernel will attempt to make an educated guess
-		at when the IO will complete. Based on this guess, the kernel
-		will put the process issuing IO to sleep for an amount of time,
-		before entering a classic poll loop. This mode might be a little
-		slower than pure classic polling, but it will be more efficient.
-		If set to a value larger than 0, the kernel will put the process
-		issuing IO to sleep for this amount of microseconds before
-		entering classic polling.
+		without giving up any time.
+		<deprecated>
 
 
 What:		/sys/block/<disk>/queue/io_timeout

diff --git a/Documentation/ABI/stable/sysfs-driver-dma-idxd b/Documentation/ABI/stable/sysfs-driver-dma-idxd
@@ -136,6 +136,22 @@ 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/dsa<m>/iaa_cap
+Date:		Sept 14, 2022
+KernelVersion: 6.0.0
+Contact:	dmaengine@vger.kernel.org
+Description:	IAA (IAX) capability mask. Exported to user space for application
+		consumption. This attribute should only be visible on IAA devices
+		that are version 2 or later.
+
+What:		/sys/bus/dsa/devices/dsa<m>/event_log_size
+Date:		Sept 14, 2022
+KernelVersion: 6.4.0
+Contact:	dmaengine@vger.kernel.org
+Description:	The event log size to be configured. Default is 64 entries and
+		occupies 4k size if the evl entry is 64 bytes. It's visible
+		only on platforms that support the capability.
+
 What:		/sys/bus/dsa/devices/wq<m>.<n>/block_on_fault
 Date:		Oct 27, 2020
 KernelVersion:	5.11.0
@@ -219,6 +235,16 @@ Contact:	dmaengine@vger.kernel.org
 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>/prs_disable
+Date:		Sept 14, 2022
+KernelVersion: 6.4.0
+Contact:	dmaengine@vger.kernel.org
+Description:	Controls whether PRS disable is turned on for the workqueue.
+		0 indicates PRS is on, and 1 indicates PRS is off for the
+		workqueue. This option overrides block_on_fault attribute
+		if set. It's visible only on platforms that support the
+		capability.
+
 What:		/sys/bus/dsa/devices/wq<m>.<n>/occupancy
 Date		May 25, 2021
 KernelVersion:	5.14.0
@@ -302,3 +328,28 @@ Description:	Allows control of the number of batch descriptors that can be
 		1 (1/2 of max value), 2 (1/4 of the max value), and 3 (1/8 of
 		the max value). It's visible only on platforms that support
 		the capability.
+
+What:		/sys/bus/dsa/devices/wq<m>.<n>/dsa<x>\!wq<m>.<n>/file<y>/cr_faults
+Date:		Sept 14, 2022
+KernelVersion:	6.4.0
+Contact:	dmaengine@vger.kernel.org
+Description:	Show the number of Completion Record (CR) faults this application
+		has caused.
+
+What:		/sys/bus/dsa/devices/wq<m>.<n>/dsa<x>\!wq<m>.<n>/file<y>/cr_fault_failures
+Date:		Sept 14, 2022
+KernelVersion:	6.4.0
+Contact:	dmaengine@vger.kernel.org
+Description:	Show the number of Completion Record (CR) faults failures that this
+		application has caused. The failure counter is incremented when the
+		driver cannot fault in the address for the CR. Typically this is caused
+		by a bad address programmed in the submitted descriptor or a malicious
+		submitter is using bad CR address on purpose.
+
+What:		/sys/bus/dsa/devices/wq<m>.<n>/dsa<x>\!wq<m>.<n>/file<y>/pid
+Date:		Sept 14, 2022
+KernelVersion:	6.4.0
+Contact:	dmaengine@vger.kernel.org
+Description:	Show the process id of the application that opened the file. This is
+		helpful information for a monitor daemon that wants to kill the
+		application that opened the file.
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-uvc b/Documentation/ABI/testing/configfs-usb-gadget-uvc
@@ -76,7 +76,7 @@ Date:		Dec 2014
 KernelVersion:	4.0
 Description:	Default camera terminal descriptors
 
-		All attributes read only:
+		All attributes read only except bmControls, which is read/write:
 
 		========================  ====================================
 		bmControls		  bitmap specifying which controls are
@@ -101,7 +101,7 @@ Date:		Dec 2014
 KernelVersion:	4.0
 Description:	Default processing unit descriptors
 
-		All attributes read only:
+		All attributes read only except bmControls, which is read/write:
 
 		===============	========================================
 		iProcessing	index of string descriptor

diff --git a/Documentation/ABI/testing/debugfs-cxl b/Documentation/ABI/testing/debugfs-cxl
@@ -0,0 +1,35 @@
+What:		/sys/kernel/debug/cxl/memX/inject_poison
+Date:		April, 2023
+KernelVersion:	v6.4
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(WO) When a Device Physical Address (DPA) is written to this
+		attribute, the memdev driver sends an inject poison command to
+		the device for the specified address. The DPA must be 64-byte
+		aligned and the length of the injected poison is 64-bytes. If
+		successful, the device returns poison when the address is
+		accessed through the CXL.mem bus. Injecting poison adds the
+		address to the device's Poison List and the error source is set
+		to Injected. In addition, the device adds a poison creation
+		event to its internal Informational Event log, updates the
+		Event Status register, and if configured, interrupts the host.
+		It is not an error to inject poison into an address that
+		already has poison present and no error is returned. The
+		inject_poison attribute is only visible for devices supporting
+		the capability.
+
+
+What:		/sys/kernel/debug/memX/clear_poison
+Date:		April, 2023
+KernelVersion:	v6.4
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(WO) When a Device Physical Address (DPA) is written to this
+		attribute, the memdev driver sends a clear poison command to
+		the device for the specified address. Clearing poison removes
+		the address from the device's Poison List and writes 0 (zero)
+		for 64 bytes starting at address. It is not an error to clear
+		poison from an address that does not have poison set. If the
+		device cannot clear poison from the address, -ENXIO is returned.
+		The clear_poison attribute is only visible for devices
+		supporting the capability.
diff --git a/Documentation/ABI/testing/sysfs-bus-cdx b/Documentation/ABI/testing/sysfs-bus-cdx
@@ -0,0 +1,56 @@
+What:		/sys/bus/cdx/rescan
+Date:		March 2023
+Contact:	nipun.gupta@amd.com
+Description:
+		Writing y/1/on to this file will cause rescan of the bus
+		and devices on the CDX bus. Any new devices are scanned and
+		added to the list of Linux devices and any devices removed are
+		also deleted from Linux.
+
+		For example::
+
+		  # echo 1 > /sys/bus/cdx/rescan
+
+What:		/sys/bus/cdx/devices/.../vendor
+Date:		March 2023
+Contact:	nipun.gupta@amd.com
+Description:
+		Vendor ID for this CDX device, in hexadecimal. Vendor ID is
+		16 bit identifier which is specific to the device manufacturer.
+		Combination of Vendor ID and Device ID identifies a device.
+
+What:		/sys/bus/cdx/devices/.../device
+Date:		March 2023
+Contact:	nipun.gupta@amd.com
+Description:
+		Device ID for this CDX device, in hexadecimal. Device ID is
+		16 bit identifier to identify a device type within the range
+		of a device manufacturer.
+		Combination of Vendor ID and Device ID identifies a device.
+
+What:		/sys/bus/cdx/devices/.../reset
+Date:		March 2023
+Contact:	nipun.gupta@amd.com
+Description:
+		Writing y/1/on to this file resets the CDX device.
+		On resetting the device, the corresponding driver is notified
+		twice, once before the device is being reset, and again after
+		the reset has been complete.
+
+		For example::
+
+		  # echo 1 > /sys/bus/cdx/.../reset
+
+What:		/sys/bus/cdx/devices/.../remove
+Date:		March 2023
+Contact:	tarak.reddy@amd.com
+Description:
+		Writing y/1/on to this file removes the corresponding
+		device from the CDX bus. If the device is to be reconfigured
+		reconfigured in the Hardware, the device can be removed, so
+		that the device driver does not access the device while it is
+		being reconfigured.
+
+		For example::
+
+		  # echo 1 > /sys/bus/cdx/devices/.../remove