序言 iommu系列二主要介绍了dma remapping的工作原理，这一篇我们来详细介绍一下iommu interrupt remapping 底层硬件工作原理和驱动层相关初始化流程 底层硬件工作原理 谈到中断大家可能不太会直接联想到iommu这个硬件，而事实上在虚拟化未出现之前中断的处理确实不需要iommu的参与。interrupt remapping of iommu ...

而vfio_msihandler就是通过之前注册的irqfd 将相应的中断delivery到vm里面。 总结和思考 interrupt remapping的功能最初是为了解决虚拟化中断delivery的问题而提出的，但是从我们的整篇文章的分析来看完全可以不需要这个remapping的功能。 为什么这样说呢？

If you don’t have $85 to spend on a new controller but still want the experience of using remappable back buttons on the Switch 2, there is another option. Nintendo’s Joy-Con 2 Charging Grip costs ...

Visual receptive fields are known to change positions around the time of a saccade, but the nature of this remapping is unclear. Here Neupane and colleagues show that neurons in area V4 of the ...

Startup leverages infrastructure-as-code principles to enable cloning, migration, and remapping of infrastructure across ...