[IA64]: add unwind info to xen_event_callback
Unwind info for xen_event_callback is missing.
This patch adds it.
Signed-off-by: Isaku Yamahata <yamah...@valinux.co.jp>
diff --git a/arch/ia64/xen/xenivt.S b/arch/ia64/xen/xenivt.S
--- a/arch/ia64/xen/xenivt.S
+++ b/arch/ia64/xen/xenivt.S
@@ -2109,6 +2109,8 @@ END(dispatch_to_ia32_handler)
#ifdef CONFIG_XEN
.section .text,"ax"
GLOBAL_ENTRY(xen_event_callback)
+ .prologue
+ .body
mov r31=pr // prepare to save predicates
;;
SAVE_MIN_WITH_COVER // uses r31; defines r2 and r3
@@ -2122,6 +2124,7 @@ GLOBAL_ENTRY(xen_event_callback)
srlz.i // ensure everybody knows psr.ic is back on
;;
SAVE_REST
+ PT_REGS_UNWIND_INFO(0)
;;
1:
alloc r14=ar.pfs,0,0,1,0 // must be first in an insn group
--
yamahata
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