Thread (2 messages) 2 messages, 2 authors, 2021-01-28

Re: [PATCH] KVM: Documentation: Fix documentation for nested.

flat view

From: Paolo Bonzini <pbonzini@redhat.com>
Date: 2021-01-28 08:19:05
Also in: kvm, lkml

On 28/01/21 16:47, Yu Zhang wrote:
quoted hunk ↗ jump to hunk
Nested VMX was enabled by default in commit <1e58e5e59148> ("KVM:
VMX: enable nested virtualization by default"), which was merged
in Linux 4.20. This patch is to fix the documentation accordingly.

Signed-off-by: Yu Zhang <redacted>
---
  Documentation/virt/kvm/nested-vmx.rst            | 6 ++++--
  Documentation/virt/kvm/running-nested-guests.rst | 2 +-
  2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/Documentation/virt/kvm/nested-vmx.rst b/Documentation/virt/kvm/nested-vmx.rst
index 6ab4e35..ac2095d 100644
--- a/Documentation/virt/kvm/nested-vmx.rst
+++ b/Documentation/virt/kvm/nested-vmx.rst
@@ -37,8 +37,10 @@ call L2.
  Running nested VMX
  ------------------
  
-The nested VMX feature is disabled by default. It can be enabled by giving
-the "nested=1" option to the kvm-intel module.
+The nested VMX feature is enabled by default since Linux kernel v4.20. For
+older Linux kernel, it can be enabled by giving the "nested=1" option to the
+kvm-intel module.
+
  
  No modifications are required to user space (qemu). However, qemu's default
  emulated CPU type (qemu64) does not list the "VMX" CPU feature, so it must be
diff --git a/Documentation/virt/kvm/running-nested-guests.rst b/Documentation/virt/kvm/running-nested-guests.rst
index d0a1fc7..bd70c69 100644
--- a/Documentation/virt/kvm/running-nested-guests.rst
+++ b/Documentation/virt/kvm/running-nested-guests.rst
@@ -74,7 +74,7 @@ few:
  Enabling "nested" (x86)
  -----------------------
  
-From Linux kernel v4.19 onwards, the ``nested`` KVM parameter is enabled
+From Linux kernel v4.20 onwards, the ``nested`` KVM parameter is enabled
  by default for Intel and AMD.  (Though your Linux distribution might
  override this default.)
  
Queued, thanks.

Paolo
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help