Re: [PATCH v5 0/4] UIO_MEM_DMA_COHERENT for cnic/bnx2/bnx2x

[Alexander Lobakin]

From: Chris Leech <cleech@xxxxxxxxxx>
Date: Thu,  1 Feb 2024 15:33:56 -0800

> During bnx2i iSCSI testing we ran into page refcounting issues in the
> uio mmaps exported from cnic to the iscsiuio process, and bisected back
> to the removal of the __GFP_COMP flag from dma_alloc_coherent calls.

IIRC Jakub mentioned some time ago that he doesn't want to see
third-party userspace <-> kernel space communication in the networking
drivers, to me this looks exactly like that :z

Thanks,
Olek