[openib-general] [PATCH] IB/ipoib: DMA alignment on ppc64

Or Gerlitz ogerlitz at voltaire.com
Mon Nov 13 05:07:19 PST 2006


Michael S. Tsirkin wrote:
> Unaligned DMA is slow ppc64 systems - that's why this architecture
> overrides NET_IP_ALIGN.  IPoIB should take this into account and align
> DMA on this platform.

Is this relevant only to IPoIB/SKB's or also to any other IB ULP (eg 
SDP, iSER, SRP) which allocates its rx/tx buffers directly by calling 
kmalloc ?

Or.





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