On 06/12/16 at 12:10am, Thiago Jung Bauermann wrote: > Hello, > > This patch series implements the kexec_file_load system call on PowerPC. > > It starts by removing an x86 assumption from kexec_file: kexec_add_buffer uses > iomem to find reserved memory ranges, but PowerPC uses the memblock subsystem. > Hooks are added so that each arch can specify how memory ranges can be found. > > Also, the memory-walking logic in kexec_add_buffer is useful in this > implementation to find a free area for the purgatory's stack, so that same > patch moves that logic to kexec_locate_mem_hole. > > The kexec_file_load system call needs to apply relocations to the purgatory > but adding code for that would duplicate functionality with the module loading > mechanism, which also needs to apply relocations to the kernel modules. > Therefore, this patch series factors out the module relocation code so that it > can be shared. > > One thing that is still missing is crashkernel support, which I intend to > submit shortly. But seems there's no error handling in patches about KEXEC_ON_CRASH? It would be good to either sending out the whole set or handle the error cases correctly. [snip] Thanks Dave
