Messages in this thread | | | From | Long Li <> | Subject | RE: [PATCH v2] storvsc: Set up correct queue depth values for IDE devices | Date | Thu, 19 Apr 2018 04:59:12 +0000 |
| |
> 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
| |