[edk2-devel] [PATCH 20/43] OvmfPkg/XenAcpiPlatformDxe: remove delayed ACPI table installation

[Philippe Mathieu-Daudé]

On 5/26/21 10:14 PM, Laszlo Ersek wrote:
> Because "PcdPciDisableBusEnumeration" is always TRUE in the OvmfXen
> platform, we can remove the delayed ACPI table installation from
> XenAcpiPlatformDxe. A number of dependencies become useless this way;
> remove them too.
> 
> (Note that, conversely, in the QemuFwCfgAcpiPlatformDxe driver, we
> *cannot* assume that "PcdPciDisableBusEnumeration" is always FALSE,
> regardless of Xen: in the ArmVirtQemu platform, the PCD may carry either
> FALSE or TRUE, dependent on whether or not the QEMU "virt" machine
> configuration includes a PCIe host controller, respectively.)
> 
> Cc: Anthony Perard <anthony.perard at citrix.com>
> Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
> Cc: Jordan Justen <jordan.l.justen at intel.com>
> Cc: Julien Grall <julien at xen.org>
> Cc: Philippe Mathieu-Daudé <philmd at redhat.com>
> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2122
> Signed-off-by: Laszlo Ersek <lersek at redhat.com>
> ---
>  OvmfPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.inf |  8 ---
>  OvmfPkg/XenAcpiPlatformDxe/EntryPoint.c           | 56 +-------------------
>  2 files changed, 2 insertions(+), 62 deletions(-)

Reviewed-by: Philippe Mathieu-Daude <philmd at redhat.com>



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