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Re: [PATCH 2/2] hw/i386/xen/xen-hvm: Inline xen_piix_pci_write_config_client() and remove it

To: Bernhard Beschow <shentey@xxxxxxxxx>, qemu-devel@xxxxxxxxxx
From: "Durrant, Paul" <xadimgnik@xxxxxxxxx>
Date: Mon, 27 Jun 2022 09:52:53 +0100
Cc: Richard Henderson <richard.henderson@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, qemu-trivial@xxxxxxxxxx, Eduardo Habkost <eduardo@xxxxxxxxxxx>, Marcel Apfelbaum <marcel.apfelbaum@xxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, Anthony Perard <anthony.perard@xxxxxxxxxx>, Paul Durrant <paul@xxxxxxx>
Delivery-date: Mon, 27 Jun 2022 08:52:57 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 26/06/2022 10:46, Bernhard Beschow wrote:

xen_piix_pci_write_config_client() is implemented in the xen sub tree and
uses PIIX constants internally, thus creating a direct dependency on
PIIX. Now that xen_set_pci_link_route() is stubbable, the logic of
xen_piix_pci_write_config_client() can be moved to PIIX which resolves
the dependency.

Signed-off-by: Bernhard Beschow <shentey@xxxxxxxxx>


Reviewed-by: Paul Durrant <paul@xxxxxxx>

References:
- [PATCH 0/2] Decouple Xen-HVM from PIIX
  - From: Bernhard Beschow
- [PATCH 2/2] hw/i386/xen/xen-hvm: Inline xen_piix_pci_write_config_client() and remove it
  - From: Bernhard Beschow

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