Re: [PATCH v2 6/7] iommu: Introduce IOMMU_RESV_DIRECT_RELAXABLE reserved memory regions

2019-05-16 Thread Auger Eric
Hi On 5/16/19 10:47 AM, Eric Auger wrote: > Introduce a new type for reserved region. This corresponds > to directly mapped regions which are known to be relaxable > in some specific conditions, such as device assignment use > case. Well known examples are those used by USB controllers >

[PATCH v2 6/7] iommu: Introduce IOMMU_RESV_DIRECT_RELAXABLE reserved memory regions

2019-05-16 Thread Eric Auger
Introduce a new type for reserved region. This corresponds to directly mapped regions which are known to be relaxable in some specific conditions, such as device assignment use case. Well known examples are those used by USB controllers providing PS/2 keyboard emulation for pre-boot BIOS and early