[Intel-wired-lan] igb driver can cause cache invalidation of non-owned memory?

Nikita Yushchenko nikita.yoush at cogentembedded.com
Mon Oct 10 12:31:00 UTC 2016

>> All the data has been synced
> Non-synced data is write done by CPU executing upper layers of network stack,

Upper layers shall never get area that is still dma_map()ed and will be
dma_unmap()ed in future.  But with igb, this is exactly what happens.

More information about the Intel-wired-lan mailing list