x86: Add a arch directory for x86 under debugfs

Add a directory for x86 arch under debugfs. Can be used to accumulate all
x86 specific debugfs files.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/x86/kernel/kdebugfs.c b/arch/x86/kernel/kdebugfs.c
index c03205991718..f2d43bc75514 100644
--- a/arch/x86/kernel/kdebugfs.c
+++ b/arch/x86/kernel/kdebugfs.c
@@ -12,9 +12,13 @@
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 
 #include <asm/setup.h>
 
+struct dentry *arch_debugfs_dir;
+EXPORT_SYMBOL(arch_debugfs_dir);
+
 #ifdef CONFIG_DEBUG_BOOT_PARAMS
 struct setup_data_node {
         u64 paddr;
@@ -209,6 +213,10 @@ static int __init arch_kdebugfs_init(void)
 {
         int error = 0;
 
+        arch_debugfs_dir = debugfs_create_dir("x86", NULL);
+        if (!arch_debugfs_dir)
+                return -ENOMEM;
+
 #ifdef CONFIG_DEBUG_BOOT_PARAMS
         error = boot_params_kdebugfs_init();
 #endif