Commit 47e8eec8 authored by Paolo Bonzini's avatar Paolo Bonzini
Browse files

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]
parents 825be3b5 5c0ad551

.mailmap

+4 −0
Original line number Diff line number Diff line
@@ -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

+26 −22
Original line number Diff line number Diff line
@@ -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.
@@ -257,21 +255,26 @@ 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::



					Removing the installed certificate:

						echo <signature> > authentication/Admin/signature

						echo '' > authentication/Admin/certificate

							echo "signature" > authentication/Admin/signature

							echo "signed certificate" > authentication/Admin/certificate



					Changing a BIOS setting:

						echo <signature> > authentication/Admin/signature

						echo <save signature> > authentication/Admin/save_signature

						Removing the installed certificate::



							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
@@ -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

+10 −8
Original line number Diff line number Diff line
@@ -13,8 +13,9 @@ 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.
@@ -24,6 +25,7 @@ Description: 
				exceeds what may be written.

		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

+3 −2
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@@ -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

+2 −0
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@@ -290,6 +290,8 @@ infrastructure: 
     +------------------------------+---------+---------+

     | RPRES                        | [7-4]   |    y    |

     +------------------------------+---------+---------+

     | WFXT                         | [3-0]   |    y    |

     +------------------------------+---------+---------+





Appendix I: Example