[tip:x86/urgent] x86-32: Export kernel_stack_pointer() for modules

["tip-bot for H. Peter Anvin" <hpa@linux.intel.com>]

Commit-ID:  cb57a2b4cff7edf2a4e32c0163200e9434807e0a
Gitweb:     http://git.kernel.org/tip/cb57a2b4cff7edf2a4e32c0163200e9434807e0a
Author:     H. Peter Anvin <hpa@linux.intel.com>
AuthorDate: Tue, 20 Nov 2012 22:21:02 -0800
Committer:  H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Tue, 20 Nov 2012 22:23:23 -0800

x86-32: Export kernel_stack_pointer() for modules

Modules, in particular oprofile (and possibly other similar tools)
need kernel_stack_pointer(), so export it using EXPORT_SYMBOL_GPL().

Cc: Yang Wei <wei.yang@windriver.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Jun Zhang <jun.zhang@intel.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20120912135059.GZ8285@erda.amd.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 arch/x86/kernel/ptrace.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 2484e33..5e0596b 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -22,6 +22,7 @@
 #include <linux/perf_event.h>
 #include <linux/hw_breakpoint.h>
 #include <linux/rcupdate.h>
+#include <linux/module.h>
 
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
@@ -193,6 +194,7 @@ unsigned long kernel_stack_pointer(struct pt_regs *regs)
 
 	return (unsigned long)regs;
 }
+EXPORT_SYMBOL_GPL(kernel_stack_pointer);
 
 static unsigned long *pt_regs_access(struct pt_regs *regs, unsigned long regno)
 {