On Fri 30-05-25 10:39:39, David Hildenbrand wrote: > On 30.05.25 10:28, Michal Hocko wrote: [...] > > All that being said I would go with an additional parameter to the > > kdump cma setup - e.g. cma_sane_dma that would skip waiting and use 10s > > otherwise. That would make the optimized behavior opt in, we do not need > > to support all sorts of timeouts and also learn if this is not > > sufficient. > > > > Makes sense? > > Just so I understand correctly, you mean extending the "crashkernel=" option > with a boolean parameter? If set, e.g., wait 1s, otherwise magic number 10?
crashkernel=1G,cma,cma_sane_dma # no wait on transition crashkernel=1G,cma # wait on transition with e.g. 10s timeout -- Michal Hocko SUSE Labs