Re: [PATCH v4 09/12] ppc64/kexec_file: setup backup region for kdump kernel

2020-07-23 Thread Thiago Jung Bauermann
Hari Bathini writes: > Though kdump kernel boots from loaded address, the first 64K bytes > of it is copied down to real 0. So, setup a backup region to copy > the first 64K bytes of crashed kernel, in purgatory, before booting > into kdump kernel. Also, update reserve map with backup region an

[PATCH v4 09/12] ppc64/kexec_file: setup backup region for kdump kernel

2020-07-20 Thread Hari Bathini
Though kdump kernel boots from loaded address, the first 64K bytes of it is copied down to real 0. So, setup a backup region to copy the first 64K bytes of crashed kernel, in purgatory, before booting into kdump kernel. Also, update reserve map with backup region and crashed kernel's memory to avoi