[libvirt] [PATCH v2 14/30] cpu_x86: Allow multiple signatures for a CPU model

[Ján Tomko]

On Tue, Mar 05, 2019 at 10:40:30AM +0100, Jiri Denemark wrote:
>CPU signatures in the cpu_map serve as a hint for CPUID to CPU model
>matching algorithm. If the CPU signatures matches any CPU model in the
>cpu_map, this model will be the preferred one.
>
>This works out well and solved several mismatches, but in real world
>CPUs which should match a single CPU model may be produced with several
>different signatures. For example, low voltage Broadwell CPUs for
>laptops and Broadwell CPUs for servers differ in CPU model numbers while
>we should detect them all as Broadwell CPU model.
>
>This patch adds support for storing several signatures for a single CPU
>model to make this hint useful for more CPUs. Later commits will provide
>additional signatures for existing CPU models, which will correct some
>results in our CPU test suite.
>
>Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
>---
>
>Notes:
>    Version 2:
>    - split into several smaller patches
>
> src/cpu/cpu_x86.c | 31 +++++++++++++++++++++----------
> 1 file changed, 21 insertions(+), 10 deletions(-)
>

Reviewed-by: Ján Tomko <jtomko at redhat.com>

Jano
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