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Re: [PATCH v2] piix: fix regression during unplug in Xen HVM domUs
- To: Bernhard Beschow <shentey@xxxxxxxxx>
- From: Olaf Hering <olaf@xxxxxxxxx>
- Date: Tue, 27 Jun 2023 14:07:40 +0200
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- Cc: qemu-devel@xxxxxxxxxx, Paolo Bonzini <pbonzini@xxxxxxxxxx>, John Snow <jsnow@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Tue, 27 Jun 2023 12:08:24 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Tue, 27 Jun 2023 10:12:50 +0000 Bernhard Beschow <shentey@xxxxxxxxx>:
> The BAR is a 32 bit register whose default value is 0x00000001. I think
> what's supposed to happen here is a pci_set_long() rather than a
> pci_set_byte().
Indeed, the u32 at that address changes from c121 to c101 with the current code.
Olaf
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