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authorPaolo Bonzini <pbonzini@redhat.com>2024-07-16 15:50:44 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2024-07-16 15:50:44 +0200
commit1c5a0b55abeb6d99ed0962c6a6fa611821949523 (patch)
treea56535ba0cd23a1a5f3ad175685cba09cdb6459e /Documentation/admin-guide
parentMerge tag 'loongarch-kvm-6.11' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff)
parentMerge branch kvm-arm64/docs into kvmarm/next (diff)
downloadlinux-1c5a0b55abeb6d99ed0962c6a6fa611821949523.tar.xz
linux-1c5a0b55abeb6d99ed0962c6a6fa611821949523.zip
Merge tag 'kvmarm-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 changes for 6.11 - Initial infrastructure for shadow stage-2 MMUs, as part of nested virtualization enablement - Support for userspace changes to the guest CTR_EL0 value, enabling (in part) migration of VMs between heterogenous hardware - Fixes + improvements to pKVM's FF-A proxy, adding support for v1.1 of the protocol - FPSIMD/SVE support for nested, including merged trap configuration and exception routing - New command-line parameter to control the WFx trap behavior under KVM - Introduce kCFI hardening in the EL2 hypervisor - Fixes + cleanups for handling presence/absence of FEAT_TCRX - Miscellaneous fixes + documentation updates
Diffstat (limited to 'Documentation/admin-guide')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt18
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 941b3105248d..8cbbf9a72041 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2720,6 +2720,24 @@
[KVM,ARM,EARLY] Allow use of GICv4 for direct
injection of LPIs.
+ kvm-arm.wfe_trap_policy=
+ [KVM,ARM] Control when to set WFE instruction trap for
+ KVM VMs. Traps are allowed but not guaranteed by the
+ CPU architecture.
+
+ trap: set WFE instruction trap
+
+ notrap: clear WFE instruction trap
+
+ kvm-arm.wfi_trap_policy=
+ [KVM,ARM] Control when to set WFI instruction trap for
+ KVM VMs. Traps are allowed but not guaranteed by the
+ CPU architecture.
+
+ trap: set WFI instruction trap
+
+ notrap: clear WFI instruction trap
+
kvm_cma_resv_ratio=n [PPC,EARLY]
Reserves given percentage from system memory area for
contiguous memory allocation for KVM hash pagetable