This is not the correct format for sending on behalf of someone else. First there needs to be a from at the beginning separated by a blank line identifying the Author: From: Thomas Hellstrom <thellstrom@xxxxxxxxxx> On Wed, 2020-08-12 at 13:54 -0700, Jim Gill wrote: > Use coherent memory instead of dma mapping sg lists each > time they are used. This becomes important with SEV/swiotlb where > dma mapping otherwise implies bouncing of the data. It also gets rid > of a point of potential failure. > > Tested using a "bonnie++" run on an 8GB pvscsi disk on a > swiotlb=force > booted kernel. > > Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx> > [jgill@xxxxxxxxxx: forwarding patch on behalf of thellstrom] Then we don't need this because the From: at the beginning both preserves the author information and makes it obvious > Acked-by: jgill@xxxxxxxxxx And finally this needs to be a Signed-off-by: to comply with the DCO section (c). James