[PATCH v2 0/5] kexec: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef

From: Jisheng Zhang
Date: Mon Dec 06 2021 - 11:12:57 EST


Replace the conditional compilation using "#ifdef CONFIG_KEXEC_CORE"
by a check for "IS_ENABLED(CONFIG_KEXEC_CORE)", to simplify the code
and increase compile coverage.

I only modify x86, arm, arm64 and riscv, other architectures such as
sh, powerpc and s390 are better to be kept kexec code as-is so they
are not touched.

Since v1:
- collect Reviewed-by tag
- fix misleading commit msg.

Jisheng Zhang (5):
kexec: make crashk_res, crashk_low_res and crash_notes symbols always
visible
riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
x86/setup: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
arm64: mm: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
arm: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef

arch/arm/kernel/setup.c | 7 +++----
arch/arm64/mm/init.c | 9 +++------
arch/riscv/mm/init.c | 6 ++----
arch/x86/kernel/setup.c | 10 +++-------
include/linux/kexec.h | 12 ++++++------
5 files changed, 17 insertions(+), 27 deletions(-)

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2.34.1