| Date | Mon, 03 Dec 2012 14:32:56 +0000 | From | Ben Hutchings <> | Subject | [ 70/89] x86-32: Export kernel_stack_pointer() for modules |
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3.2-stable review patch. If anyone has any objections, please let me know.
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From: "H. Peter Anvin" <hpa@linux.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().
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> [bwh: Backported to 3.2: adjust context] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- 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> @@ -191,6 +192,7 @@ 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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