Re: [PATCH v2] piix: fix regression during unplug in Xen HVM domUs

[Olaf Hering]

Tue, 27 Jun 2023 10:12:50 +0000 Bernhard Beschow <shentey@gmail.com>:

> Bits 4..15 represent the BAR address, and pci_set_byte() only clears bits 
> 4..7, leaving bits 8..15 unchanged. Perhaps this causes the BAR to be moved 
> into the UHCI region? Does changing the call to pci_set_long() fix the 
> problem?

Thanks, it seems this fixes the issue. Let me verify this with a clean build.


Olaf

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