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authorDavid Hildenbrand <david@redhat.com>2017-08-24 20:51:36 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2017-10-12 14:01:53 +0200
commit1af1ac910bb3394ac1c0062f5781983dde40a8c0 (patch)
treef2b3df0d7205223bb2dbc748dfc3a34fdb5e099a /Documentation/virtual
parentKVM: x86: document special identity map address value (diff)
downloadlinux-1af1ac910bb3394ac1c0062f5781983dde40a8c0.tar.xz
linux-1af1ac910bb3394ac1c0062f5781983dde40a8c0.zip
KVM: x86: allow setting identity map addr with no vcpus only
Changing it afterwards doesn't make too much sense and will only result in inconsistencies. Reviewed-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Diffstat (limited to 'Documentation/virtual')
-rw-r--r--Documentation/virtual/kvm/api.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index 22bc5a052a5d..dd2dd96927b8 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -1131,6 +1131,7 @@ This ioctl is required on Intel-based hosts. This is needed on Intel hardware
because of a quirk in the virtualization implementation (see the internals
documentation when it pops into existence).
+Fails if any VCPU has already been created.
4.41 KVM_SET_BOOT_CPU_ID