[PATCH sysctl-next] kernel/kexec_core: move kexec_core sysctls into its own file

yingelin
2022-02-23T03:04:06Z

This move the kernel/kexec_core.c respective sysctls to its own file.

Signed-off-by: yingelin <yingelin@huawei.com>
---
kernel/kexec_core.c | 20 ++++++++++++++++++++
kernel/sysctl.c | 13 -------------
2 files changed, 20 insertions(+), 13 deletions(-)

diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 68480f731192..e57339d49439 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -936,6 +936,26 @@ int kimage_load_segment(struct kimage *image,
struct kimage *kexec_image;
struct kimage *kexec_crash_image;
int kexec_load_disabled;
+static struct ctl_table kexec_core_sysctls[] = {
+ {
+ .procname = "kexec_load_disabled",
+ .data = &kexec_load_disabled,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ /* only handle a transition from default "0" to "1" */
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = SYSCTL_ONE,
+ .extra2 = SYSCTL_ONE,
+ },
+ { }
+};
+
+static int __init kexec_core_sysctl_init(void)
+{
+ register_sysctl_init("kernel", kexec_core_sysctls);
+ return 0;
+}
+late_initcall(kexec_core_sysctl_init);

/*
* No panic_cpu check version of crash_kexec(). This function is called
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index ae5e59396b5d..00e97c6d6576 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -61,7 +61,6 @@
#include <linux/capability.h>
#include <linux/binfmts.h>
#include <linux/sched/sysctl.h>
-#include <linux/kexec.h>
#include <linux/bpf.h>
#include <linux/mount.h>
#include <linux/userfaultfd_k.h>
@@ -1839,18 +1838,6 @@ static struct ctl_table kern_table[] = {
.proc_handler = tracepoint_printk_sysctl,
},
#endif
-#ifdef CONFIG_KEXEC_CORE
- {
- .procname = "kexec_load_disabled",
- .data = &kexec_load_disabled,
- .maxlen = sizeof(int),
- .mode = 0644,
- /* only handle a transition from default "0" to "1" */
- .proc_handler = proc_dointvec_minmax,
- .extra1 = SYSCTL_ONE,
- .extra2 = SYSCTL_ONE,
- },
-#endif
#ifdef CONFIG_MODULES
{
.procname = "modprobe",
--
2.26.2