[edk2-devel] [PATCH 1/1] OvmfPkg: Remove unused print service driver (PrintDxe)

Laszlo Ersek lersek at redhat.com
Tue Jul 6 16:02:20 UTC 2021


On 07/06/21 11:53, Philippe Mathieu-Daudé wrote:
> From: Philippe Mathieu-Daude <philmd at redhat.com>
> 
> The Print service driver is not used by OVMF, remove it.
> 
> Cc: Laszlo Ersek <lersek at redhat.com>
> Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
> Cc: Jordan Justen <jordan.l.justen at intel.com>
> Cc: Brijesh Singh <brijesh.singh at amd.com>
> Cc: Erdem Aktas <erdemaktas at google.com>
> Cc: James Bottomley <jejb at linux.ibm.com>
> Cc: Jiewen Yao <jiewen.yao at intel.com>
> Cc: Min Xu <min.m.xu at intel.com>
> Cc: Tom Lendacky <thomas.lendacky at amd.com>
> Suggested-by: Laszlo Ersek <lersek at redhat.com>
> Signed-off-by: Philippe Mathieu-Daude <philmd at redhat.com>
> ---
>  OvmfPkg/AmdSev/AmdSevX64.dsc | 1 -
>  OvmfPkg/OvmfPkgIa32.dsc      | 1 -
>  OvmfPkg/OvmfPkgIa32X64.dsc   | 1 -
>  OvmfPkg/OvmfPkgX64.dsc       | 1 -
>  OvmfPkg/AmdSev/AmdSevX64.fdf | 1 -
>  OvmfPkg/OvmfPkgIa32.fdf      | 1 -
>  OvmfPkg/OvmfPkgIa32X64.fdf   | 1 -
>  OvmfPkg/OvmfPkgX64.fdf       | 1 -
>  8 files changed, 8 deletions(-)

I think the same applies to all of the DSC/FDF files (basically,
"platforms") under OvmfPkg -- including Bhyve and Xen.

PrintDxe produces gEfiPrint2ProtocolGuid and gEfiPrint2SProtocolGuid,
and those are consumed by the following PrintLib instance:

MdeModulePkg/Library/DxePrintLibPrint2Protocol/DxePrintLibPrint2Protocol.inf

However, none of the OVMF DSC files contain such a PrintLib class
resolution, so none of the OVMF platforms need PrintDxe.

Thanks,
Laszlo

> 
> diff --git a/OvmfPkg/AmdSev/AmdSevX64.dsc b/OvmfPkg/AmdSev/AmdSevX64.dsc
> index 1d487befae08..d1974b4a6873 100644
> --- a/OvmfPkg/AmdSev/AmdSevX64.dsc
> +++ b/OvmfPkg/AmdSev/AmdSevX64.dsc
> @@ -722,7 +722,6 @@ [Components]
>        DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
>        PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
>    }
> -  MdeModulePkg/Universal/PrintDxe/PrintDxe.inf
>    MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIoDxe.inf
>    MdeModulePkg/Universal/Disk/PartitionDxe/PartitionDxe.inf
>    MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
> diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
> index f53efeae7986..dff4b97b37c0 100644
> --- a/OvmfPkg/OvmfPkgIa32.dsc
> +++ b/OvmfPkg/OvmfPkgIa32.dsc
> @@ -816,7 +816,6 @@ [Components]
>        DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
>        PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
>    }
> -  MdeModulePkg/Universal/PrintDxe/PrintDxe.inf
>    MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIoDxe.inf
>    MdeModulePkg/Universal/Disk/PartitionDxe/PartitionDxe.inf
>    MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
> diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
> index b3662e17f256..f3df655c990e 100644
> --- a/OvmfPkg/OvmfPkgIa32X64.dsc
> +++ b/OvmfPkg/OvmfPkgIa32X64.dsc
> @@ -830,7 +830,6 @@ [Components.X64]
>        DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
>        PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
>    }
> -  MdeModulePkg/Universal/PrintDxe/PrintDxe.inf
>    MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIoDxe.inf
>    MdeModulePkg/Universal/Disk/PartitionDxe/PartitionDxe.inf
>    MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
> diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
> index 0a237a905866..dc9a2720f9b2 100644
> --- a/OvmfPkg/OvmfPkgX64.dsc
> +++ b/OvmfPkg/OvmfPkgX64.dsc
> @@ -828,7 +828,6 @@ [Components]
>        DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
>        PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
>    }
> -  MdeModulePkg/Universal/PrintDxe/PrintDxe.inf
>    MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIoDxe.inf
>    MdeModulePkg/Universal/Disk/PartitionDxe/PartitionDxe.inf
>    MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
> diff --git a/OvmfPkg/AmdSev/AmdSevX64.fdf b/OvmfPkg/AmdSev/AmdSevX64.fdf
> index 9977b0f00a18..42f120d016e1 100644
> --- a/OvmfPkg/AmdSev/AmdSevX64.fdf
> +++ b/OvmfPkg/AmdSev/AmdSevX64.fdf
> @@ -234,7 +234,6 @@ [FV.DXEFV]
>  INF  MdeModulePkg/Application/UiApp/UiApp.inf
>  INF  OvmfPkg/QemuKernelLoaderFsDxe/QemuKernelLoaderFsDxe.inf
>  INF  MdeModulePkg/Universal/DevicePathDxe/DevicePathDxe.inf
> -INF  MdeModulePkg/Universal/PrintDxe/PrintDxe.inf
>  INF  MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIoDxe.inf
>  INF  MdeModulePkg/Universal/Disk/PartitionDxe/PartitionDxe.inf
>  INF  MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
> diff --git a/OvmfPkg/OvmfPkgIa32.fdf b/OvmfPkg/OvmfPkgIa32.fdf
> index 04b41445ca34..031eb4225c53 100644
> --- a/OvmfPkg/OvmfPkgIa32.fdf
> +++ b/OvmfPkg/OvmfPkgIa32.fdf
> @@ -254,7 +254,6 @@ [FV.DXEFV]
>  INF  MdeModulePkg/Application/UiApp/UiApp.inf
>  INF  OvmfPkg/QemuKernelLoaderFsDxe/QemuKernelLoaderFsDxe.inf
>  INF  MdeModulePkg/Universal/DevicePathDxe/DevicePathDxe.inf
> -INF  MdeModulePkg/Universal/PrintDxe/PrintDxe.inf
>  INF  MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIoDxe.inf
>  INF  MdeModulePkg/Universal/Disk/PartitionDxe/PartitionDxe.inf
>  INF  MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
> diff --git a/OvmfPkg/OvmfPkgIa32X64.fdf b/OvmfPkg/OvmfPkgIa32X64.fdf
> index 02fd8f0c413e..7194f08e6024 100644
> --- a/OvmfPkg/OvmfPkgIa32X64.fdf
> +++ b/OvmfPkg/OvmfPkgIa32X64.fdf
> @@ -255,7 +255,6 @@ [FV.DXEFV]
>  INF  MdeModulePkg/Application/UiApp/UiApp.inf
>  INF  OvmfPkg/QemuKernelLoaderFsDxe/QemuKernelLoaderFsDxe.inf
>  INF  MdeModulePkg/Universal/DevicePathDxe/DevicePathDxe.inf
> -INF  MdeModulePkg/Universal/PrintDxe/PrintDxe.inf
>  INF  MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIoDxe.inf
>  INF  MdeModulePkg/Universal/Disk/PartitionDxe/PartitionDxe.inf
>  INF  MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
> diff --git a/OvmfPkg/OvmfPkgX64.fdf b/OvmfPkg/OvmfPkgX64.fdf
> index 5fa8c0895808..b304e3149d4f 100644
> --- a/OvmfPkg/OvmfPkgX64.fdf
> +++ b/OvmfPkg/OvmfPkgX64.fdf
> @@ -267,7 +267,6 @@ [FV.DXEFV]
>  INF  MdeModulePkg/Application/UiApp/UiApp.inf
>  INF  OvmfPkg/QemuKernelLoaderFsDxe/QemuKernelLoaderFsDxe.inf
>  INF  MdeModulePkg/Universal/DevicePathDxe/DevicePathDxe.inf
> -INF  MdeModulePkg/Universal/PrintDxe/PrintDxe.inf
>  INF  MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIoDxe.inf
>  INF  MdeModulePkg/Universal/Disk/PartitionDxe/PartitionDxe.inf
>  INF  MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
> 



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