RE: [PATCH v2] PCI: hv: Detect and fix Hyper-V PCI domain number collision

2019-08-12 Thread Haiyang Zhang
o...@aepfle.de; vkuznets ; linux- > ker...@vger.kernel.org > Subject: Re: [PATCH v2] PCI: hv: Detect and fix Hyper-V PCI domain number > collision > > On Tue, Aug 06, 2019 at 11:52:11PM +, Haiyang Zhang wrote: > > Currently in Azure cloud, for passthrough devices including GP

Re: [PATCH v2] PCI: hv: Detect and fix Hyper-V PCI domain number collision

2019-08-12 Thread Lorenzo Pieralisi
On Tue, Aug 06, 2019 at 11:52:11PM +, Haiyang Zhang wrote: > Currently in Azure cloud, for passthrough devices including GPU, the > host sets the device instance ID's bytes 8 - 15 to a value derived from > the host HWID, which is the same on all devices in a VM. So, the device > instance ID's b

RE: [PATCH v2] PCI: hv: Detect and fix Hyper-V PCI domain number collision

2019-08-12 Thread Haiyang Zhang
> -Original Message- > From: LKML haiyangz On Behalf Of Haiyang > Zhang > Sent: Tuesday, August 6, 2019 7:52 PM > To: sas...@kernel.org; bhelg...@google.com; lorenzo.pieral...@arm.com; > linux-hyp...@vger.kernel.org; linux-...@vger.kernel.org > Cc: Haiyang Zhang ; KY Srinivasan > ; Step