linux-kernel - [ 05/54] x86-32: Export kernel_stack

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Message-Id: <20121130185208.434646451@linuxfoundation.org>
Date:	Fri, 30 Nov 2012 10:55:36 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Yang Wei <wei.yang@...driver.com>,
	Robert Richter <robert.richter@....com>,
	Jun Zhang <jun.zhang@...el.com>,
	"H. Peter Anvin" <hpa@...ux.intel.com>
Subject: [ 05/54] x86-32: Export kernel_stack_pointer() for modules

3.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "H. Peter Anvin" <hpa@...ux.intel.com>

commit cb57a2b4cff7edf2a4e32c0163200e9434807e0a upstream.

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

Link: http://lkml.kernel.org/r/20120912135059.GZ8285@erda.amd.com
Cc: Yang Wei <wei.yang@...driver.com>
Cc: Robert Richter <robert.richter@....com>
Cc: Jun Zhang <jun.zhang@...el.com>
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/x86/kernel/ptrace.c |    2 ++
 1 file changed, 2 insertions(+)

--- 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>
@@ -192,6 +193,7 @@ unsigned long kernel_stack_pointer(struc
 
 	return (unsigned long)regs;
 }
+EXPORT_SYMBOL_GPL(kernel_stack_pointer);
 
 static unsigned long *pt_regs_access(struct pt_regs *regs, unsigned long regno)
 {


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