x86: Simplify one-level sysctl registration for itmt_kern_table

There is no need to declare an extra tables to just create directory,
this can be easily be done with a prefix path with register_sysctl().

Simplify this registration.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20230310233248.3965389-3-mcgrof%40kernel.org

diff --git a/arch/x86/kernel/itmt.c b/arch/x86/kernel/itmt.c
index 9ff480e..670eb08 100644 (file)
--- a/arch/x86/kernel/itmt.c
+++ b/arch/x86/kernel/itmt.c
@@ -77,15 +77,6 @@ static struct ctl_table itmt_kern_table[] = {
        {}
 };
 
-static struct ctl_table itmt_root_table[] = {
-       {
-               .procname       = "kernel",
-               .mode           = 0555,
-               .child          = itmt_kern_table,
-       },
-       {}
-};
-
 static struct ctl_table_header *itmt_sysctl_header;
 
 /**
@@ -114,7 +105,7 @@ int sched_set_itmt_support(void)
                return 0;
        }
 
-       itmt_sysctl_header = register_sysctl_table(itmt_root_table);
+       itmt_sysctl_header = register_sysctl("kernel", itmt_kern_table);
        if (!itmt_sysctl_header) {
                mutex_unlock(&itmt_update_mutex);
                return -ENOMEM;