On Thu, Jun 13, 2019 at 06:04:11PM +0800, Ming Lei wrote: > On Thu, Jun 13, 2019 at 11:52:14AM +0200, Greg Kroah-Hartman wrote: > > On Thu, Jun 13, 2019 at 03:13:28PM +0800, Ming Lei wrote: > > > The current way isn't safe for chained sgl, so use sg helper to > > > operate sgl. > > > > I can not make any sense out of this changelog. > > > > What "isn't safe"? What is a "sgl"? > > sgl is 'scatterlist' in kernel, and several linear sgl can be chained > together, so accessing the sgl in linear way may see a chained sg, which > is like a link pointer, then may cause trouble for driver. What kind of "trouble"? Is this a bug fix that needs to be backported to stable kernels? How can this be triggered? > > Can this be applied "out of order"? > > Yes, there isn't any dependency among the 15 patches. Then perhaps you shouldn't send a numbered patch series with different patches sent to different maintainers, it just causes confusion :) thanks, greg k-h