[libvirt] [PATCH] Use closest CPU model when decoding from CPUID

Matthias Bolte matthias.bolte at googlemail.com
Mon Jan 18 01:47:55 UTC 2010

2010/1/15 Jiri Denemark <jdenemar at redhat.com>:
> Current implementation of x86Decode() used for CPUID -> model+features
> translation does not always select the closest CPU model. When walking
> through all models from cpu_map.xml the function considers a new
> candidate as a better choice than a previously selected candidate only
> if the new one is a superset of the old one. In case the new candidate
> is closer to host CPU but lacks some feature comparing to the old
> candidate, the function does not choose well.
> This patch changes the algorithm so that the closest model is always
> selected. That is, the model which requires the lowest number of
> additional features to describe host CPU.
> Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
> ---


Thanks, pushed.


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