RHBZ669751: old ia64 kernels lack task_pt_regs()

... so define it in terms of ia64_task_regs()

diff --git a/runtime/compatdefs.h b/runtime/compatdefs.h
index e6341b4fe8273f2cab7adce9da688794714c11de..4d5de3236a9cd84d370fff2e53edc832d9152570 100644 (file)
--- a/runtime/compatdefs.h
+++ b/runtime/compatdefs.h
@@ -50,6 +50,10 @@ static inline int _stp_is_compat_task(void)
 #if defined(__x86_64__)
 #define task_pt_regs(tsk)      ((struct pt_regs *)(tsk)->thread.rsp0 - 1)
 #endif
+#if defined(__ia64__)
+/* pre-commit 6450578f32 */
+#define task_pt_regs(tsk)      ia64_task_regs(tsk)
+#endif
 #endif
 
 /* Whether all user registers are valid. If not the pt_regs needs,