[PATCH v6 00/11] ppc64: enable kdump support for kexec_file_load syscall

[Michael Ellerman]

On Wed, 29 Jul 2020 17:08:44 +0530, Hari Bathini wrote:
> Sorry! There was a gateway issue on my system while posting v5, due to
> which some patches did not make it through. Resending...
> 
> This patch series enables kdump support for kexec_file_load system
> call (kexec -s -p) on PPC64. The changes are inspired from kexec-tools
> code but heavily modified for kernel consumption.
> 
> [...]

Applied to powerpc/next.

[01/11] kexec_file: Allow archs to handle special regions while locating memory hole
        https://git.kernel.org/powerpc/c/f891f19736bdf404845f97d8038054be37160ea8
[02/11] powerpc/kexec_file: Mark PPC64 specific code
        https://git.kernel.org/powerpc/c/19031275a5881233b4fc31b7dee68bf0b0758bbc
[03/11] powerpc/kexec_file: Add helper functions for getting memory ranges
        https://git.kernel.org/powerpc/c/180adfc532a83c1d74146449f7385f767d4b8059
[04/11] powerpc/kexec_file: Avoid stomping memory used by special regions
        https://git.kernel.org/powerpc/c/b8e55a3e5c208862eacded5aad822184f89f85d9
[05/11] powerpc/drmem: Make LMB walk a bit more flexible
        https://git.kernel.org/powerpc/c/adfefc609e55edc5dce18a68d1526af6d70aaf86
[06/11] powerpc/kexec_file: Restrict memory usage of kdump kernel
        https://git.kernel.org/powerpc/c/7c64e21a1c5a5bcd651d895b8faa68e9cdcc433d
[07/11] powerpc/kexec_file: Setup backup region for kdump kernel
        https://git.kernel.org/powerpc/c/1a1cf93c200581c72a3cd521e1e0a1a3b5d0077d
[08/11] powerpc/kexec_file: Prepare elfcore header for crashing kernel
        https://git.kernel.org/powerpc/c/cb350c1f1f867db16725f1bb06be033ece19e998
[09/11] powerpc/kexec_file: Add appropriate regions for memory reserve map
        https://git.kernel.org/powerpc/c/6ecd0163d36049b5f2435a8658f1320c9f3f2924
[10/11] powerpc/kexec_file: Fix kexec load failure with lack of memory hole
        https://git.kernel.org/powerpc/c/b5667d13be8d0928a02b46e0c6f7ab891d32f697
[11/11] powerpc/kexec_file: Enable early kernel OPAL calls
        https://git.kernel.org/powerpc/c/2e6bd221d96fcfd9bd1eed5cd9c008e7959daed7

cheers