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Subject: Re: [virtio] [PATCH] pci: strengthen requirement of the correct subsystem id
On 28.10.19 17:12, Michael S. Tsirkin wrote:
If a hardware implementation of virtio does not have the correct subsystem id, then drivers can't report ir properly, or detect and work around bugs.
s/ir/it. Jan
Change the requirement from MAY to SHOULD. We can't make it a MUST since we did not require this historically. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- content.tex | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/content.tex b/content.tex index 4bcb728..8f1518c 100644 --- a/content.tex +++ b/content.tex @@ -562,7 +562,7 @@ \subsection{PCI Device Discovery}\label{sec:Virtio Transport Options / Virtio Ov For example, the network card device with the Virtio Device ID 1 has the PCI Device ID 0x1041 or the Transitional PCI Device ID 0x1000.-The PCI Subsystem Vendor ID and the PCI Subsystem Device ID MAY reflect+The PCI Subsystem Vendor ID and the PCI Subsystem Device ID SHOULD reflect the PCI Vendor and Device ID of the environment (for informational purposes by the driver).Non-transitional devices SHOULD have a PCI Device ID in the range
-- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux
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