Merge tag 'kvmarm-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 updates for 5.19

- Add support for the ARMv8.6 WFxT extension

- Guard pages for the EL2 stacks

- Trap and emulate AArch32 ID registers to hide unsupported features

- Ability to select and save/restore the set of hypercalls exposed
  to the guest

- Support for PSCI-initiated suspend in collaboration with userspace

- GICv3 register-based LPI invalidation support

- Move host PMU event merging into the vcpu data structure

- GICv3 ITS save/restore fixes

- The usual set of small-scale cleanups and fixes

[Due to the conflict, KVM_SYSTEM_EVENT_SEV_TERM is relocated
 from 4 to 6. - Paolo]

Author: bonzini

.mailmap

@@ -391,6 +391,10 @@ Uwe Kleine-König <ukleinek@strlen.de>
 Uwe Kleine-König <ukl@pengutronix.de>
 Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
 Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
+Vasily Averin <vasily.averin@linux.dev> <vvs@virtuozzo.com>
+Vasily Averin <vasily.averin@linux.dev> <vvs@openvz.org>
+Vasily Averin <vasily.averin@linux.dev> <vvs@parallels.com>
+Vasily Averin <vasily.averin@linux.dev> <vvs@sw.ru>
 Vinod Koul <vkoul@kernel.org> <vinod.koul@intel.com>
 Vinod Koul <vkoul@kernel.org> <vinod.koul@linux.intel.com>
 Vinod Koul <vkoul@kernel.org> <vkoul@infradead.org>

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

@@ -116,7 +116,7 @@ Description:
 					    <value>[ForceIf:<attribute>=<value>]
 					    <value>[ForceIfNot:<attribute>=<value>]
 
-					For example:
+					For example::
 
 					    LegacyOrom/dell_value_modifier has value:
 						    Disabled[ForceIf:SecureBoot=Enabled]
@@ -212,7 +212,7 @@ Description:
 		the next boot.
 
 		Lenovo specific class extensions
-		------------------------------
+		--------------------------------
 
 		On Lenovo systems the following additional settings are available:
 
@@ -246,9 +246,7 @@ Description:
 					that is being referenced (e.g hdd0, hdd1 etc)
 					This attribute defaults to device 0.
 
-		certificate:
-		signature:
-		save_signature:
+		certificate, signature, save_signature:
 					These attributes are used for certificate based authentication. This is
 					used in conjunction with a signing server as an alternative to password
 					based authentication.
@@ -257,22 +255,27 @@ Description:
 					The attributes can be displayed to check the stored value.
 
 					Some usage examples:
-					Installing a certificate to enable feature:
-						echo <supervisor password > authentication/Admin/current_password
-						echo <signed certificate> > authentication/Admin/certificate
 
-					Updating the installed certificate:
-						echo <signature> > authentication/Admin/signature
-						echo <signed certificate> > authentication/Admin/certificate
+						Installing a certificate to enable feature::
+
+							echo "supervisor password" > authentication/Admin/current_password
+							echo "signed certificate" > authentication/Admin/certificate
+
+						Updating the installed certificate::
+
+							echo "signature" > authentication/Admin/signature
+							echo "signed certificate" > authentication/Admin/certificate
 
-					Removing the installed certificate:
-						echo <signature> > authentication/Admin/signature
-						echo '' > authentication/Admin/certificate
+						Removing the installed certificate::
 
-					Changing a BIOS setting:
-						echo <signature> > authentication/Admin/signature
-						echo <save signature> > authentication/Admin/save_signature
-						echo Enable > attribute/PasswordBeep/current_value
+							echo "signature" > authentication/Admin/signature
+							echo "" > authentication/Admin/certificate
+
+						Changing a BIOS setting::
+
+							echo "signature" > authentication/Admin/signature
+							echo "save signature" > authentication/Admin/save_signature
+							echo Enable > attribute/PasswordBeep/current_value
 
 					You cannot enable certificate authentication if a supervisor password
 					has not been set.
@@ -288,9 +291,10 @@ Description:
 		certificate_to_password:
 					Write only attribute used to switch from certificate based authentication
 					back to password based.
-					Usage:
-						echo <signature> > authentication/Admin/signature
-						echo <password> > authentication/Admin/certificate_to_password
+					Usage::
+
+						echo "signature" > authentication/Admin/signature
+						echo "password" > authentication/Admin/certificate_to_password
 
 
 What:		/sys/class/firmware-attributes/*/attributes/pending_reboot
@@ -345,7 +349,7 @@ Description:
 
 		    # echo "factory" > /sys/class/firmware-attributes/*/device/attributes/reset_bios
 		    # cat /sys/class/firmware-attributes/*/device/attributes/reset_bios
-		    # builtinsafe lastknowngood [factory] custom
+		    builtinsafe lastknowngood [factory] custom
 
 		Note that any changes to this attribute requires a reboot
 		for changes to take effect.

Documentation/ABI/testing/sysfs-driver-intel_sdsi

@@ -13,17 +13,19 @@ Description:
 		Should the operation fail, one of the following error codes
 		may be returned:
 
+		==========	=====
 		Error Code	Cause
-	        ----------	-----
-	        EIO		General mailbox failure. Log may indicate cause.
-	        EBUSY		Mailbox is owned by another agent.
-	        EPERM		SDSI capability is not enabled in hardware.
-	        EPROTO		Failure in mailbox protocol detected by driver.
+		==========	=====
+		EIO		General mailbox failure. Log may indicate cause.
+		EBUSY		Mailbox is owned by another agent.
+		EPERM		SDSI capability is not enabled in hardware.
+		EPROTO		Failure in mailbox protocol detected by driver.
 				See log for details.
-	        EOVERFLOW	For provision commands, the size of the data
+		EOVERFLOW	For provision commands, the size of the data
 				exceeds what may be written.
-	        ESPIPE		Seeking is not allowed.
-	        ETIMEDOUT	Failure to complete mailbox transaction in time.
+		ESPIPE		Seeking is not allowed.
+		ETIMEDOUT	Failure to complete mailbox transaction in time.
+		==========	=====
 
 What:		/sys/bus/auxiliary/devices/intel_vsec.sdsi.X/guid
 Date:		Feb 2022

Documentation/ABI/testing/sysfs-fs-erofs

@@ -9,8 +9,9 @@ Description:	Shows all enabled kernel features.
 What:		/sys/fs/erofs/<disk>/sync_decompress
 Date:		November 2021
 Contact:	"Huang Jianan" <huangjianan@oppo.com>
-Description:	Control strategy of sync decompression
+Description:	Control strategy of sync decompression:
+
 		- 0 (default, auto): enable for readpage, and enable for
-				     readahead on atomic contexts only,
+		  readahead on atomic contexts only.
 		- 1 (force on): enable for readpage and readahead.
 		- 2 (force off): disable for all situations.

Documentation/arm64/cpu-feature-registers.rst

@@ -290,6 +290,8 @@ infrastructure:
      +------------------------------+---------+---------+
      | RPRES                        | [7-4]   |    y    |
      +------------------------------+---------+---------+
+     | WFXT                         | [3-0]   |    y    |
+     +------------------------------+---------+---------+
 
 
 Appendix I: Example

Documentation/arm64/elf_hwcaps.rst

@@ -264,6 +264,43 @@ HWCAP2_MTE3
     Functionality implied by ID_AA64PFR1_EL1.MTE == 0b0011, as described
     by Documentation/arm64/memory-tagging-extension.rst.
 
+HWCAP2_SME
+
+    Functionality implied by ID_AA64PFR1_EL1.SME == 0b0001, as described
+    by Documentation/arm64/sme.rst.
+
+HWCAP2_SME_I16I64
+
+    Functionality implied by ID_AA64SMFR0_EL1.I16I64 == 0b1111.
+
+HWCAP2_SME_F64F64
+
+    Functionality implied by ID_AA64SMFR0_EL1.F64F64 == 0b1.
+
+HWCAP2_SME_I8I32
+
+    Functionality implied by ID_AA64SMFR0_EL1.I8I32 == 0b1111.
+
+HWCAP2_SME_F16F32
+
+    Functionality implied by ID_AA64SMFR0_EL1.F16F32 == 0b1.
+
+HWCAP2_SME_B16F32
+
+    Functionality implied by ID_AA64SMFR0_EL1.B16F32 == 0b1.
+
+HWCAP2_SME_F32F32
+
+    Functionality implied by ID_AA64SMFR0_EL1.F32F32 == 0b1.
+
+HWCAP2_SME_FA64
+
+    Functionality implied by ID_AA64SMFR0_EL1.FA64 == 0b1.
+
+HWCAP2_WFXT
+
+    Functionality implied by ID_AA64ISAR2_EL1.WFXT == 0b0010.
+
 4. Unused AT_HWCAP bits
 -----------------------
 

Documentation/arm64/index.rst

@@ -21,6 +21,7 @@ ARM64 Architecture
     perf
     pointer-authentication
     silicon-errata
+    sme
     sve
     tagged-address-abi
     tagged-pointers

Documentation/arm64/memory-tagging-extension.rst

@@ -228,10 +228,10 @@ Core dump support
 -----------------
 
 The allocation tags for user memory mapped with ``PROT_MTE`` are dumped
-in the core file as additional ``PT_ARM_MEMTAG_MTE`` segments. The
+in the core file as additional ``PT_AARCH64_MEMTAG_MTE`` segments. The
 program header for such segment is defined as:
 
-:``p_type``: ``PT_ARM_MEMTAG_MTE``
+:``p_type``: ``PT_AARCH64_MEMTAG_MTE``
 :``p_flags``: 0
 :``p_offset``: segment file offset
 :``p_vaddr``: segment virtual address, same as the corresponding