tools/guest: Fix comment regarding CPUID compatibility
authorAndrew Cooper <andrew.cooper3@citrix.com>
Thu, 3 Feb 2022 18:03:49 +0000 (18:03 +0000)
committerAndrew Cooper <andrew.cooper3@citrix.com>
Fri, 4 Feb 2022 14:44:29 +0000 (14:44 +0000)
commit820cc393434097f3b7976acdccbf1d96071d6d23
tree5f167339fa3afc91809e26a51734148793eda7e5
parent75cc460a1b8cfd8e5d2c4302234ee194defe4872
tools/guest: Fix comment regarding CPUID compatibility

It was Xen 4.14 where CPUID data was added to the migration stream, and 4.13
that we need to worry about with regards to compatibility.  Xen 4.12 isn't
relevant.

Expand and correct the commentary.

Fixes: 111c8c33a8a1 ("x86/cpuid: do not expand max leaves on restore")
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
tools/libs/guest/xg_cpuid_x86.c