Re: [Xen-devel] [PATCH v7 1/3] xen/libxc: Allow changing max number of hypervisor cpuid leaves

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2014-03-24 at 19:18 -0400, Boris Ostrovsky wrote:
> Add support for changing max number of hypervisor leaves from configuration
> file.
> 
> This number can be specified using xl's standard 'cpuid' option. Only lowest
> 8 bits of leaf's 0x4000xx00 eax register are processed, all others are 
> ignored.

This sounds like it would need a docs update to go along with it, both
to address this specific constraint and perhaps to give an example of
the syntax (unless it is already obvious?).

Speaking of obvious syntaxes, does the list in libxl_cpuid_parse_config
want updating so people can use maxhvleaf=2 instead of whatever the more
obscure syntax would be?



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