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diff --git a/doc/manual/en_US/dita/topics/sse412passthrough.dita b/doc/manual/en_US/dita/topics/sse412passthrough.dita new file mode 100644 index 00000000000..e3999aadfdb --- /dev/null +++ b/doc/manual/en_US/dita/topics/sse412passthrough.dita @@ -0,0 +1,22 @@ +<?xml version='1.0' encoding='UTF-8'?> +<!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd"> +<topic xml:lang="en-us" id="sse412passthrough"> + <title>Passing Through SSE4.1/SSE4.2 Instructions</title> + + <body> + <p> + To provide SSE 4.1/SSE 4.2 support to guests, the host CPU has to + implement these instruction sets. The instruction sets are exposed + to guests by default, but it is possible to disable the + instructions for certain guests by using the following commands: + </p> + <pre xml:space="preserve">$ VBoxManage setextradata <varname>VM-name</varname> \ +VBoxInternal/CPUM/IsaExts/SSE4.1 0 +$ VBoxManage setextradata <varname>VM-name</varname> \ +VBoxInternal/CPUM/IsaExts/SSE4.2 0</pre> + <p> + These are per-VM settings which are enabled by default. + </p> + </body> + +</topic> |