Re: [PATCH 3/3] cnic,bnx2,bnx2x: use UIO_MEM_DMA_COHERENT

Greg Kroah-Hartman
2023-09-30T07:06:57Z

On Fri, Sep 29, 2023 at 10:00:23AM -0700, Chris Leech wrote:
> Make use of the new UIO_MEM_DMA_COHERENT type to properly handle mmap
> for dma_alloc_coherent buffers.

Why are ethernet drivers messing around with UIO devices? That's not
what UIO is for, unless you are trying to do kernel bypass for these
devices without anyone noticing?

confused,

greg k-h