1 files changed, 27 insertions, 0 deletions

diff --git a/arch/ia64/kernel/jprobes.S b/arch/ia64/kernel/jprobes.S
index 2323377e3695..5cd6226f44f2 100644
--- a/arch/ia64/kernel/jprobes.S
+++ b/arch/ia64/kernel/jprobes.S
@@ -60,3 +60,30 @@ END(jprobe_break)
 GLOBAL_ENTRY(jprobe_inst_return)
         br.call.sptk.many b0=jprobe_break
 END(jprobe_inst_return)
+
+GLOBAL_ENTRY(invalidate_stacked_regs)
+        movl r16=invalidate_restore_cfm
+        ;;
+        mov b6=r16
+        ;;
+        br.ret.sptk.many b6
+        ;;
+invalidate_restore_cfm:
+        mov r16=ar.rsc
+        ;;
+        mov ar.rsc=r0
+        ;;
+        loadrs
+        ;;
+        mov ar.rsc=r16
+        ;;
+        br.cond.sptk.many rp
+END(invalidate_stacked_regs)
+
+GLOBAL_ENTRY(flush_register_stack)
+        // flush dirty regs to backing store (must be first in insn group)
+        flushrs
+        ;;
+        br.ret.sptk.many rp
+END(flush_register_stack)
+