[RFC patch 1/2] x86: Add a arch directory for x86 under debugfs

[venkatesh.pallipadi@intel.com]

[-- Attachment #1: x86_debugfs_dir.patch --]
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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>

---
 arch/x86/kernel/kdebugfs.c |    8 ++++++++
 include/linux/debugfs.h    |    2 ++
 2 files changed, 10 insertions(+)

Index: linux-2.6/arch/x86/kernel/kdebugfs.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/kdebugfs.c	2008-05-02 09:45:23.000000000 -0700
+++ linux-2.6/arch/x86/kernel/kdebugfs.c	2008-07-18 15:20:39.000000000 -0700
@@ -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(voi
 {
 	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
Index: linux-2.6/include/linux/debugfs.h
===================================================================
--- linux-2.6.orig/include/linux/debugfs.h	2008-05-01 15:31:18.000000000 -0700
+++ linux-2.6/include/linux/debugfs.h	2008-07-18 15:20:01.000000000 -0700
@@ -26,6 +26,8 @@ struct debugfs_blob_wrapper {
 	unsigned long size;
 };
 
+extern struct dentry *arch_debugfs_dir;
+
 #if defined(CONFIG_DEBUG_FS)
 
 /* declared over in file.c */

--