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| author | H. Peter Anvin <hpa@linux.intel.com> | 2012-11-20 22:21:02 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-12-05 18:38:34 -0800 |
| commit | 4d064b9c790a24c65e878fe0faba3490e8a7b342 (patch) | |
| tree | b0f7aab25efbff80ed1ccd55ddf22e216af0a3f2 | |
| parent | 3d514b82fc30a1425eba9e7b8f24620a4ec8a633 (diff) | |
| download | lwn-4d064b9c790a24c65e878fe0faba3490e8a7b342.tar.gz lwn-4d064b9c790a24c65e878fe0faba3490e8a7b342.zip | |
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.c | 2 |
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) { |