Hi Simon, On 2019/5/31 17:28, Simon Horman wrote: > On Wed, Apr 03, 2019 at 10:55:04AM +0800, Chen Zhou wrote: >> When crashkernel is reserved above 4G in memory, kernel should >> reserve some amount of low memory for swiotlb and some DMA buffers. >> So there may be two crash kernel regions, one is below 4G, the other >> is above 4G. >> >> Currently, there is only one crash kernel region on arm64, and pass >> "linux,usable-memory-range = <BASE SIZE>" property to crash dump >> kernel. Now, we pass >> "linux,usable-memory-range = <BASE1 SIZE1 BASE2 SIZE2>" to crash >> dump kernel to support two crash kernel regions and load crash >> kernel high. >> >> Signed-off-by: Chen Zhou <chenzhou10@xxxxxxxxxx> > > Sorry for letting this slip through the cracks. > Please let me know if this is still relevant. > This is still relevant and the kernel patches are still under discussion. Thanks, Chen Zhou _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec