Re: [PATCH 1/2] powerpc/fadump: reserve memory at halfway mark

2017-03-10 Thread Michael Ellerman
Hari Bathini writes: > Currently, the area to preserve boot memory is reserved at the top of > RAM. This leaves fadump vulnerable to DLPAR memory remove operations. > As memory for fadump needs to be reserved early in the boot process, > fadump can't be registered after a DLPAR memory remove oper

[PATCH 1/2] powerpc/fadump: reserve memory at halfway mark

2017-03-09 Thread Hari Bathini
Currently, the area to preserve boot memory is reserved at the top of RAM. This leaves fadump vulnerable to DLPAR memory remove operations. As memory for fadump needs to be reserved early in the boot process, fadump can't be registered after a DLPAR memory remove operation. While this problem can't