Re: [libvirt] [PATCH v2 10/10] cpu_x86: Use signature in CPU detection code

On Thu, Jun 09, 2016 at 11:56:17 +0200, Jiri Denemark wrote: > Our current detection code uses just the number of CPU features which > need to be added/removed from the CPU model to fully describe the CPUID > data. The smallest number wins. But this may sometimes generate wrong > results as one can see from the fixed test cases. This patch modifies > the algorithm to prefer the CPU model with matching signature even if > this model results in a longer list of additional features. > > Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com&gt; > --- > src/cpu/cpu_map.xml | 16 +++ > src/cpu/cpu_x86.c | 148 +++++++++++++++++++-- > .../cputestdata/x86-cpuid-Core-i7-5600U-guest.xml | 11 +- > tests/cputestdata/x86-cpuid-Core2-E6850-guest.xml | 5 +- > tests/cputestdata/x86-cpuid-Core2-E6850-host.xml | 5 +- > tests/cputestdata/x86-cpuid-Xeon-5110-guest.xml | 5 +- > tests/cputestdata/x86-cpuid-Xeon-5110-host.xml | 5 +- > tests/cputestdata/x86-host+penryn-force-result.xml | 4 +- > 8 files changed, 176 insertions(+), 23 deletions(-) ACK