Messages in this thread | | | Date | Mon, 5 Feb 2024 17:57:58 +0100 | Subject | Re: [PATCH v5 0/4] UIO_MEM_DMA_COHERENT for cnic/bnx2/bnx2x | From | Alexander Lobakin <> |
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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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