Re: [PATCH v2] storvsc: Set up correct queue depth values for IDE devices

Long, > 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. Applied to 4.17/scsi-fixes. Thanks! -- Martin K. Petersen Oracle Linux

RE: [PATCH v2] storvsc: Set up correct queue depth values for IDE devices

> 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

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? -- Martin K. Petersen Oracle Linux Engineering ___ devel mailing list

RE: [PATCH v2] storvsc: Set up correct queue depth values for IDE devices

Hi Martin Can you take a look at the following patch? Long > > -Original Message- > > From: linux-kernel-ow...@vger.kernel.org > > On Behalf Of Long Li > > Sent: Thursday, March 22, 2018 2:47 PM > > To: KY Srinivasan ; Haiyang

RE: [PATCH v2] storvsc: Set up correct queue depth values for IDE devices

> -Original Message- > From: linux-kernel-ow...@vger.kernel.org > On Behalf > Of Long Li > Sent: Thursday, March 22, 2018 2:47 PM > To: KY Srinivasan ; Haiyang Zhang > ; Stephen > Hemminger