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Re: port-arm/49145: readonly mbuf is not writebacked by _bus_dmamap_sync_segment() nor sosend_loan()
> If this is a readonly mbuf, then =
> is invalid for it. If it's readonly, it shouldn't be written to!!!=
Sorry I have used bus_dmamap_sync with BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE.
It works fine with BUS_DMASYNC_PREWRITE.
There was no problem. Please close this PR.
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