The patch titled
Subject: x86/crash: correct unused function build error
has been added to the -mm mm-nonmm-unstable branch. Its filename is
x86-crash-add-x86-crash-hotplug-support-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-crash-add-x86-crash-hotplug-support-fix.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Eric DeVolder <eric.devolder@xxxxxxxxxx>
Subject: x86/crash: correct unused function build error
Date: Mon, 21 Aug 2023 14:26:44 -0400
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.
Link: https://lkml.kernel.org/r/20230821182644.2143-1-eric.devolder@xxxxxxxxxx
Signed-off-by: Eric DeVolder <eric.devolder@xxxxxxxxxx>
Suggested-by: Baoquan He <bhe@xxxxxxxxxx>
Tested-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/kernel/crash.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/kernel/crash.c~x86-crash-add-x86-crash-hotplug-support-fix
+++ a/arch/x86/kernel/crash.c
@@ -158,7 +158,7 @@ void native_machine_crash_shutdown(struc
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;
_
Patches currently in -mm which might be from eric.devolder@xxxxxxxxxx are
crash-move-a-few-code-bits-to-setup-support-of-crash-hotplug.patch
crash-add-generic-infrastructure-for-crash-hotplug-support.patch
kexec-exclude-elfcorehdr-from-the-segment-digest.patch
crash-memory-and-cpu-hotplug-sysfs-attributes.patch
x86-crash-add-x86-crash-hotplug-support.patch
x86-crash-add-x86-crash-hotplug-support-fix.patch
crash-hotplug-support-for-kexec_load.patch
crash-change-crash_prepare_elf64_headers-to-for_each_possible_cpu.patch
x86-crash-optimize-cpu-changes.patch
