[libvirt] [PATCH 1/5] conf: add support for specifying CPU "dies" parameter
Daniel Henrique Barboza
danielhb413 at gmail.com
Tue Jan 7 17:48:32 UTC 2020
FWIW, this patch is conflicting with current master to apply due to changes
of labels made recently. The fix is rather simple:
On 12/19/19 9:42 AM, Daniel P. Berrangé wrote:
> Recently CPU hardware vendors have started to support a new level of
> inside the CPU package topology known as a "die". Thus the hierarchy
> is now:
>
> sockets > dies > cores > threads
>
> This adds support for "dies" in the XML parser, with the value
> defaulting to 1 if not specified for backwards compatibility.
>
> For example a system with 64 logical CPUs might report
>
> <topology sockets="4" dies="2" cores="4" threads="2"/>
>
> Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
> ---
> docs/formatcaps.html.in | 2 +-
[...]
> @@ -1059,6 +1067,12 @@ virCPUDefIsEqual(virCPUDefPtr src,
> goto cleanup;
> }
>
> + if (src->dies != dst->dies) {
> + MISMATCH(_("Target CPU dies %d does not match source %d"),
> + dst->dies, src->dies);
> + goto cleanup;
> + }
> +
> if (src->cores != dst->cores) {
> MISMATCH(_("Target CPU cores %d does not match source %d"),
> dst->cores, src->cores);
In this chunk there is no 'cleanup' anymore, thus you'll just 'return false'
in the new code you're adding.
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