RE: [PATCH v3 1/1] ixgbe: sync the first fragment unconditionally

rnel.org; intel-wired-...@lists.osuosl.org; > jian.w@oracle.com; alexander.h.du...@linux.intel.com; > da...@davemloft.net > Subject: [Intel-wired-lan] [PATCH v3 1/1] ixgbe: sync the first fragment > unconditionally > > In Xen environment, if Xen-swiotlb is enabled, ixgbe driver could

[PATCH v3 1/1] ixgbe: sync the first fragment unconditionally

In Xen environment, if Xen-swiotlb is enabled, ixgbe driver could possibly allocate a page, DMA memory buffer, for the first fragment which is not suitable for Xen-swiotlb to do DMA operations. Xen-swiotlb have to internally allocate another page for doing DMA operations. This mechanism requires sy