From: David Hildenbrand Date: Thu, 24 Aug 2017 18:51:35 +0000 (+0200) Subject: KVM: x86: document special identity map address value X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=726b99c4f73c2e386c4ec5aa90d5124489573bd2;p=openwrt%2Fstaging%2Fblogic.git 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: Radim Krčmář Signed-off-by: David Hildenbrand Signed-off-by: Radim Krčmář --- diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index e63a35fafef0..22bc5a052a5d 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -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).