linux-kernel - [PATCH linux-next v3 14/14] loongarch, crash: wrap crash dumping code into crash related ifdefs

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Date: Wed, 24 Jan 2024 13:12:54 +0800
From: Baoquan He <bhe@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: kexec@...ts.infradead.org,
	x86@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linuxppc-dev@...ts.ozlabs.org,
	linux-s390@...r.kernel.org,
	linux-sh@...r.kernel.org,
	linux-mips@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	loongarch@...ts.linux.dev,
	akpm@...ux-foundation.org,
	ebiederm@...ssion.com,
	hbathini@...ux.ibm.com,
	piliu@...hat.com,
	viro@...iv.linux.org.uk,
	Baoquan He <bhe@...hat.com>
Subject: [PATCH linux-next v3 14/14] loongarch, crash: wrap crash dumping code into crash related ifdefs

Now crash codes under kernel/ folder has been split out from kexec
code, crash dumping can be separated from kexec reboot in config
items on loongarch with some adjustments.

Here use IS_ENABLED(CONFIG_CRASH_RESERVE) check to decide if compiling
in the crashkernel reservation code.

Signed-off-by: Baoquan He <bhe@...hat.com>
---
v2->v3:
- Update code change regarding below commit: 
  commit 78de91b45860 ("LoongArch: Use generic interface to support crashkernel=X,[high,low]")

 arch/loongarch/kernel/setup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c
index edf2bba80130..57d37dd9f964 100644
--- a/arch/loongarch/kernel/setup.c
+++ b/arch/loongarch/kernel/setup.c
@@ -260,7 +260,7 @@ static void __init arch_reserve_crashkernel(void)
 	char *cmdline = boot_command_line;
 	bool high = false;
 
-	if (!IS_ENABLED(CONFIG_KEXEC_CORE))
+	if (!IS_ENABLED(CONFIG_CRASH_RESERVE))
 		return;
 
 	ret = parse_crashkernel(cmdline, memblock_phys_mem_size(),
-- 
2.41.0