linux-kernel - [PATCH linux-next 0/3] powerpc/kexec: split CONFIG_CRASH_DUMP out from CONFIG_KEXEC

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Date: Tue, 13 Feb 2024 17:01:46 +0530
From: Hari Bathini <hbathini@...ux.ibm.com>
To: linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Kexec-ml <kexec@...ts.infradead.org>
Cc: lkml <linux-kernel@...r.kernel.org>, Michael Ellerman <mpe@...erman.id.au>,
        Mahesh J Salgaonkar <mahesh@...ux.ibm.com>,
        Sourabh Jain <sourabhjain@...ux.ibm.com>,
        Dave Young <dyoung@...hat.com>, Baoquan He <bhe@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nicholas Piggin <npiggin@...il.com>,
        "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Subject: [PATCH linux-next 0/3] powerpc/kexec: split CONFIG_CRASH_DUMP out from CONFIG_KEXEC_CORE

This patch series is a follow-up to [1] based on discussions at [2]
about additional work needed to get it working on powerpc.

The first patch in the series makes struct crash_mem available with or
without CONFIG_CRASH_DUMP enabled. The next patch moves kdump specific
code for kexec_file_load syscall under CONFIG_CRASH_DUMP and the last
patch splits other kdump specific code under CONFIG_CRASH_DUMP and
removes dependency with CONFIG_CRASH_DUMP for CONFIG_KEXEC_CORE.

[1] https://lore.kernel.org/all/20240124051254.67105-1-bhe@redhat.com/
[2] https://lore.kernel.org/all/9101bb07-70f1-476c-bec9-ec67e9899744@linux.ibm.com/


Hari Bathini (3):
  kexec/kdump: make struct crash_mem available without CONFIG_CRASH_DUMP
  powerpc/kexec: split CONFIG_KEXEC_FILE and CONFIG_CRASH_DUMP
  powerpc/kdump: Split KEXEC_CORE and CRASH_DUMP dependency

 arch/powerpc/Kconfig               |   9 +-
 arch/powerpc/include/asm/kexec.h   |  98 +++++------
 arch/powerpc/kernel/prom.c         |   2 +-
 arch/powerpc/kernel/setup-common.c |   2 +-
 arch/powerpc/kernel/smp.c          |   4 +-
 arch/powerpc/kexec/Makefile        |   3 +-
 arch/powerpc/kexec/core.c          |   4 +
 arch/powerpc/kexec/elf_64.c        |   4 +-
 arch/powerpc/kexec/file_load_64.c  | 269 +++++++++++++++--------------
 include/linux/crash_core.h         |  12 +-
 10 files changed, 208 insertions(+), 199 deletions(-)

-- 
2.43.0