Re: [RFCv2 1/2] virtio_console: Add support for DMA memory allocation

2012-09-10 Thread Rusty Russell
sjur.brandel...@stericsson.com writes: > From: Sjur Brændeland > > Add feature VIRTIO_CONSOLE_F_DMA_MEM. If the architecture has > DMA support and this feature bit is set, the virtio data buffers > will be allocated from DMA memory. If the device requests > the feature VIRTIO_CONSOLE_F_DMA_MEM, b

[RFCv2 1/2] virtio_console: Add support for DMA memory allocation

2012-09-06 Thread sjur . brandeland
From: Sjur Brændeland Add feature VIRTIO_CONSOLE_F_DMA_MEM. If the architecture has DMA support and this feature bit is set, the virtio data buffers will be allocated from DMA memory. If the device requests the feature VIRTIO_CONSOLE_F_DMA_MEM, but the architecture don't support DMA the driver's