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authorH. Peter Anvin <hpa@linux.intel.com>2012-11-20 22:21:02 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-12-05 18:38:34 -0800
commit4d064b9c790a24c65e878fe0faba3490e8a7b342 (patch)
treeb0f7aab25efbff80ed1ccd55ddf22e216af0a3f2
parent3d514b82fc30a1425eba9e7b8f24620a4ec8a633 (diff)
x86-32: Export kernel_stack_pointer() for modules
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>
-rw-r--r--arch/x86/kernel/ptrace.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index d3e115297fe2..c4410fb4938f 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>
@@ -192,6 +193,7 @@ 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)
{