Merge branch 'linus'

Author: akpm00

CREDITS

@@ -1439,6 +1439,10 @@ N: Justin Guyett
 E: [email protected]
 D: via-rhine net driver hacking
 
+N: Nitin Gupta
+E: [email protected]
+D: zsmalloc memory allocator and zram block device driver
+
 N: Danny ter Haar
 E: [email protected]
 D: /proc/cpuinfo, reboot on panic , kernel pre-patch tester ;)

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

@@ -22,6 +22,7 @@ Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The largest number of work descriptors in a batch.
+                It's not visible when the device does not support batch.
 
 What:           /sys/bus/dsa/devices/dsa<m>/max_work_queues_size
 Date:           Oct 25, 2019
@@ -49,6 +50,8 @@ Description:    The total number of read buffers supported by this device.
 		The read buffers represent resources within the DSA
 		implementation, and these resources are allocated by engines to
 		support operations. See DSA spec v1.2 9.2.4 Total Read Buffers.
+		It's not visible when the device does not support Read Buffer
+		allocation control.
 
 What:           /sys/bus/dsa/devices/dsa<m>/max_transfer_size
 Date:           Oct 25, 2019
@@ -122,6 +125,8 @@ Contact:        [email protected]
 Description:    The maximum number of read buffers that may be in use at
 		one time by operations that access low bandwidth memory in the
 		device. See DSA spec v1.2 9.2.8 GENCFG on Global Read Buffer Limit.
+		It's not visible when the device does not support Read Buffer
+		allocation control.
 
 What:		/sys/bus/dsa/devices/dsa<m>/cmd_status
 Date:		Aug 28, 2020
@@ -205,6 +210,7 @@ KernelVersion:	5.10.0
 Contact:	[email protected]
 Description:	The max batch size for this workqueue. Cannot exceed device
 		max batch size. Configurable parameter.
+		It's not visible when the device does not support batch.
 
 What:		/sys/bus/dsa/devices/wq<m>.<n>/ats_disable
 Date:		Nov 13, 2020
@@ -250,6 +256,8 @@ KernelVersion:	5.17.0
 Contact:	[email protected]
 Description:	Enable the use of global read buffer limit for the group. See DSA
 		spec v1.2 9.2.18 GRPCFG Use Global Read Buffer Limit.
+		It's not visible when the device does not support Read Buffer
+		allocation control.
 
 What:		/sys/bus/dsa/devices/group<m>.<n>/read_buffers_allowed
 Date:		Dec 10, 2021
@@ -258,6 +266,8 @@ Contact:	[email protected]
 Description:	Indicates max number of read buffers that may be in use at one time
 		by all engines in the group. See DSA spec v1.2 9.2.18 GRPCFG Read
 		Buffers Allowed.
+		It's not visible when the device does not support Read Buffer
+		allocation control.
 
 What:		/sys/bus/dsa/devices/group<m>.<n>/read_buffers_reserved
 Date:		Dec 10, 2021
@@ -266,6 +276,8 @@ Contact:	[email protected]
 Description:	Indicates the number of Read Buffers reserved for the use of
 		engines in the group. See DSA spec v1.2 9.2.18 GRPCFG Read Buffers
 		Reserved.
+		It's not visible when the device does not support Read Buffer
+		allocation control.
 
 What:		/sys/bus/dsa/devices/group<m>.<n>/desc_progress_limit
 Date:		Sept 14, 2022

Documentation/admin-guide/kernel-parameters.txt

@@ -1050,6 +1050,11 @@
 			them frequently to increase the rate of SLB faults
 			on kernel addresses.
 
+	stress_hpt	[PPC]
+			Limits the number of kernel HPT entries in the hash
+			page table to increase the rate of hash page table
+			faults on kernel addresses.
+
 	disable=	[IPV6]
 			See Documentation/networking/ipv6.rst.
 
@@ -2308,7 +2313,13 @@
 			Provide an override to the IOAPIC-ID<->DEVICE-ID
 			mapping provided in the IVRS ACPI table.
 			By default, PCI segment is 0, and can be omitted.
-			For example:
+
+			For example, to map IOAPIC-ID decimal 10 to
+			PCI segment 0x1 and PCI device 00:14.0,
+			write the parameter as:
+				ivrs_ioapic=10@0001:00:14.0
+
+			Deprecated formats:
 			* To map IOAPIC-ID decimal 10 to PCI device 00:14.0
 			  write the parameter as:
 				ivrs_ioapic[10]=00:14.0
@@ -2320,7 +2331,13 @@
 			Provide an override to the HPET-ID<->DEVICE-ID
 			mapping provided in the IVRS ACPI table.
 			By default, PCI segment is 0, and can be omitted.
-			For example:
+
+			For example, to map HPET-ID decimal 10 to
+			PCI segment 0x1 and PCI device 00:14.0,
+			write the parameter as:
+				ivrs_hpet=10@0001:00:14.0
+
+			Deprecated formats:
 			* To map HPET-ID decimal 0 to PCI device 00:14.0
 			  write the parameter as:
 				ivrs_hpet[0]=00:14.0
@@ -2331,15 +2348,20 @@
 	ivrs_acpihid	[HW,X86-64]
 			Provide an override to the ACPI-HID:UID<->DEVICE-ID
 			mapping provided in the IVRS ACPI table.
+			By default, PCI segment is 0, and can be omitted.
 
 			For example, to map UART-HID:UID AMD0020:0 to
 			PCI segment 0x1 and PCI device ID 00:14.5,
 			write the parameter as:
-				ivrs_acpihid[0001:00:14.5]=AMD0020:0
+				ivrs_acpihid=AMD0020:0@0001:00:14.5
 
-			By default, PCI segment is 0, and can be omitted.
-			For example, PCI device 00:14.5 write the parameter as:
+			Deprecated formats:
+			* To map UART-HID:UID AMD0020:0 to PCI segment is 0,
+			  PCI device ID 00:14.5, write the parameter as:
 				ivrs_acpihid[00:14.5]=AMD0020:0
+			* To map UART-HID:UID AMD0020:0 to PCI segment 0x1 and
+			  PCI device ID 00:14.5, write the parameter as:
+				ivrs_acpihid[0001:00:14.5]=AMD0020:0
 
 	js=		[HW,JOY] Analog joystick
 			See Documentation/input/joydev/joystick.rst.

Documentation/admin-guide/sysctl/kernel.rst

@@ -436,8 +436,8 @@ ignore-unaligned-usertrap
 
 On architectures where unaligned accesses cause traps, and where this
 feature is supported (``CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN``;
-currently, ``arc`` and ``ia64``), controls whether all unaligned traps
-are logged.
+currently, ``arc``, ``ia64`` and ``loongarch``), controls whether all
+unaligned traps are logged.
 
 = =============================================================
 0 Log all unaligned accesses.
@@ -1492,8 +1492,8 @@ unaligned-trap
 
 On architectures where unaligned accesses cause traps, and where this
 feature is supported (``CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW``; currently,
-``arc`` and ``parisc``), controls whether unaligned traps are caught
-and emulated (instead of failing).
+``arc``, ``parisc`` and ``loongarch``), controls whether unaligned traps
+are caught and emulated (instead of failing).
 
 = ========================================================
 0 Do not emulate unaligned accesses.

Documentation/devicetree/bindings/arm/bcm/bcm2835.yaml

@@ -4,7 +4,7 @@
 $id: http://devicetree.org/schemas/arm/bcm/bcm2835.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Broadcom BCM2711/BCM2835 Platforms Device Tree Bindings
+title: Broadcom BCM2711/BCM2835 Platforms
 
 maintainers:
   - Eric Anholt <[email protected]>

Documentation/devicetree/bindings/arm/bcm/brcm,bcm11351.yaml

@@ -4,7 +4,7 @@
 $id: http://devicetree.org/schemas/arm/bcm/brcm,bcm11351.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Broadcom BCM11351 device tree bindings
+title: Broadcom BCM11351
 
 maintainers:
   - Florian Fainelli <[email protected]>

Documentation/devicetree/bindings/arm/bcm/brcm,bcm21664.yaml

@@ -4,7 +4,7 @@
 $id: http://devicetree.org/schemas/arm/bcm/brcm,bcm21664.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Broadcom BCM21664 device tree bindings
+title: Broadcom BCM21664
 
 maintainers:
   - Florian Fainelli <[email protected]>

Documentation/devicetree/bindings/arm/bcm/brcm,bcm23550.yaml

@@ -4,7 +4,7 @@
 $id: http://devicetree.org/schemas/arm/bcm/brcm,bcm23550.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Broadcom BCM23550 device tree bindings
+title: Broadcom BCM23550
 
 maintainers:
   - Florian Fainelli <[email protected]>

Documentation/devicetree/bindings/arm/bcm/brcm,bcm4708.yaml

@@ -4,7 +4,7 @@
 $id: http://devicetree.org/schemas/arm/bcm/brcm,bcm4708.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Broadcom BCM4708 device tree bindings
+title: Broadcom BCM4708
 
 description:
   Broadcom BCM4708/47081/4709/47094/53012 Wi-Fi/network SoCs based

Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml

@@ -4,7 +4,7 @@
 $id: http://devicetree.org/schemas/arm/bcm/brcm,bcmbca.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Broadcom Broadband SoC device tree bindings
+title: Broadcom Broadband SoC
 
 description:
   Broadcom Broadband SoCs include family of high performance DSL/PON/Wireless