linux-kernel - [PATCH v28] x86/crash: correct unused function build error

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Message-Id: <20230821182644.2143-1-eric.devolder@oracle.com>
Date:   Mon, 21 Aug 2023 14:26:44 -0400
From:   Eric DeVolder <eric.devolder@...cle.com>
To:     linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org
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Subject: [PATCH v28] x86/crash: correct unused function build error

In certain config scenarios, an unused-function build error occurs
relating to prepare_elf_headers(). Correct the ifdef guarding these
functions to eliminate the build error.

Suggested-by: Baoquan He <bhe@...hat.com>
Signed-off-by: Eric DeVolder <eric.devolder@...cle.com>
Tested-by: Paul E. McKenney <paulmck@...nel.org>
---
 arch/x86/kernel/crash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index 86d2ca80b9b2..587c7743fd21 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -158,7 +158,7 @@ void native_machine_crash_shutdown(struct pt_regs *regs)
 	crash_save_cpu(regs, safe_smp_processor_id());
 }
 
-#if defined(CONFIG_KEXEC_FILE) || defined(CONFIG_CRASH_DUMP)
+#if defined(CONFIG_KEXEC_FILE) || defined(CONFIG_CRASH_HOTPLUG)
 static int get_nr_ram_ranges_callback(struct resource *res, void *arg)
 {
 	unsigned int *nr_ranges = arg;
-- 
2.31.1