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    SubjectRe: [PATCH v5 0/4] UIO_MEM_DMA_COHERENT for cnic/bnx2/bnx2x
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    From: Chris Leech <cleech@redhat.com>
    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

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