Messages in this thread | | | Date | Fri, 24 May 2019 18:15:16 -0400 | From | Sasha Levin <> | Subject | Re: [PATCH] PCI: hv: Detect and fix Hyper-V PCI domain number collision |
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On Sun, May 19, 2019 at 10:28:37PM +0000, Haiyang Zhang wrote: >Due to Azure host agent settings, the device instance ID's bytes 8 and 9 >are no longer unique. This causes some of the PCI devices not showing up >in VMs with multiple passthrough devices, such as GPUs. So, as recommended >by Azure host team, we now use the bytes 4 and 5 which usually provide >unique numbers. > >In the rare cases of collision, we will detect and find another number >that is not in use. >Thanks to Michael Kelley <mikelley@microsoft.com> for proposing this idea. > >Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Queued up for hyperv-fixes, thank you.
-- Thanks, Sasha
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