On Fri, 2015-12-06 at 06:19:17 UTC, Alexey Kardashevskiy wrote: > The existing code puts all devices from a root PE to the same IOMMU group. > However it is a possible situation when subordinate buses belong to > separate PEs, in this case devices from these subordinate buses > should be added to lower level PE rather to the root PE. > > This limits pnv_ioda_setup_bus_dma() invocation to only PEs which own > all subordinate buses. > > Suggested-by: Gavin Shan <gws...@linux.vnet.ibm.com> > Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru>
Alexey/Gavin, can one of you write a better changelog for this. Explaining what exactly is broken without it, how it fixes the problem, and why that is the right fix. cheers -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
