Commit 726b99c4 authored by David Hildenbrand's avatar David Hildenbrand Committed by Paolo Bonzini

KVM: x86: document special identity map address value

Setting it to 0 leads to setting it to the default value, let's document
this.
Reviewed-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
parent d8a6e365
......@@ -1124,6 +1124,9 @@ guest physical address space and must not conflict with any memory slot
or any mmio address. The guest may malfunction if it accesses this memory
region.
Setting the address to 0 will result in resetting the address to its default
(0xfffbc000).
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).
......
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