RE: [PATCH v2] storvsc: Set up correct queue depth values for IDE devices
From: Long Li
Date: Thu Apr 19 2018 - 00:59:31 EST
> Subject: Re: [PATCH v2] storvsc: Set up correct queue depth values for IDE
> > 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