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SubjectRE: [PATCH v2] storvsc: Set up correct queue depth values for IDE devices
Date
> Subject: Re: [PATCH v2] storvsc: Set up correct queue depth values for IDE
> devices
>
>
> Long,
>
> > Can you take a look at the following patch?
>
> >> > + max_sub_channels =
> >> > + (num_cpus - 1) / storvsc_vcpus_per_sub_channel;
>
> What happens if num_cpus = 1?

If num_cpus=1, we don't have any sub channels.

The host offers one sub channel for VM with 5 CPUs, after that it offers an additional sub channel every 4 CPUs.

The primary channel is always offered.

>
> --
> Martin K. Petersen Oracle Linux Engineering

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