chael Turner
> <michael.tur...@microsoft.com>; Yao, Jiewen <jiewen@intel.com>
> Subject: RE: [edk2] [PATCH v2] MdeModulePkg/PciBus: Disable BME of all devices
> when entering RT
>
> Jiewen,
> Any comments?
>
> Thanks/Ray
>
> > -Original Message-
.com>; Michael Turner
> <michael.tur...@microsoft.com>; Yao, Jiewen <jiewen@intel.com>
> Subject: [edk2] [PATCH v2] MdeModulePkg/PciBus: Disable BME of all
> devices when entering RT
>
> The patch ensures all DMA transactions are blocked after ExitBootService.
> If a
The patch ensures all DMA transactions are blocked after
ExitBootService.
If a platform enables IOMMU before and needs disable IOMMU after
ExitBootService, the IOMMU should be disabled after PCI bus driver
disables BME.
Contributed-under: TianoCore Contribution Agreement 1.1
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