On Thu, 05 May 2022 17:18:44 +0800, Zhen Lei wrote: > When "crashkernel=X,high" is used, there may be two crash regions: > high=crashk_res and low=crashk_low_res. But now the syscall > kexec_file_load() only add crashk_res into "linux,usable-memory-range", > this may cause the second kernel to have no available dma memory. > > Fix it like kexec tool do for option -c, add both 'high' and 'low' regions > into the dtb. > > Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx> > --- > drivers/of/kexec.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > Acked-by: Rob Herring <robh@xxxxxxxxxx>
