From 296a041c45c84e173a2c14f51e14bbd19f452275 Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" <hpa@linux.intel.com> Date: Tue, 20 Nov 2012 22:21:02 -0800 Subject: [PATCH] x86-32: Export kernel_stack_pointer() for modules MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit cb57a2b4cff7edf2a4e32c0163200e9434807e0a upstream. 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> Link: http://lkml.kernel.org/r/20120912135059.GZ8285@erda.amd.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: Robert Richter <rric@kernel.org> Cc: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com> Cc: Philip Müller <philm@manjaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- 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 8ede56797bf25..911e16d8dfa47 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -21,6 +21,7 @@ #include <linux/signal.h> #include <linux/perf_event.h> #include <linux/hw_breakpoint.h> +#include <linux/module.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -191,6 +192,7 @@ 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) {