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authorPaolo Bonzini <pbonzini@redhat.com>2020-03-31 16:44:53 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2020-03-31 16:44:53 +0200
commitcf39d37539068d53e015d8b4f1dcf42c65306b0d (patch)
treec8dcbbc3a5c92beee82e83e2a2b597f328a919a6 /Documentation/virt
parentMerge tag 'kvm-s390-next-5.7-3' of git://git.kernel.org/pub/scm/linux/kernel/... (diff)
parentMerge tag 'kvm-arm-removal' into kvmarm-master/next (diff)
downloadlinux-cf39d37539068d53e015d8b4f1dcf42c65306b0d.tar.xz
linux-cf39d37539068d53e015d8b4f1dcf42c65306b0d.zip
Merge tag 'kvmarm-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm updates for Linux 5.7 - GICv4.1 support - 32bit host removal
Diffstat (limited to 'Documentation/virt')
-rw-r--r--Documentation/virt/kvm/arm/hyp-abi.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/virt/kvm/arm/hyp-abi.rst b/Documentation/virt/kvm/arm/hyp-abi.rst
index d1fc27d848e9..d9eba93aa364 100644
--- a/Documentation/virt/kvm/arm/hyp-abi.rst
+++ b/Documentation/virt/kvm/arm/hyp-abi.rst
@@ -11,6 +11,11 @@ hypervisor when running as a guest (under Xen, KVM or any other
hypervisor), or any hypervisor-specific interaction when the kernel is
used as a host.
+Note: KVM/arm has been removed from the kernel. The API described
+here is still valid though, as it allows the kernel to kexec when
+booted at HYP. It can also be used by a hypervisor other than KVM
+if necessary.
+
On arm and arm64 (without VHE), the kernel doesn't run in hypervisor
mode, but still needs to interact with it, allowing a built-in
hypervisor to be either installed or torn down.