# HG changeset patch
# User yamahata@xxxxxxxxxxxxx
# Date 1182838486 -32400
# Node ID 922033cd4e1bad0d733ab7962382fcbd0c577f7f
# Parent  3dc0db4766c28a067e9964a2eedc6f314758c4bc
Issue get_ivr hypercall directly instead of function call xen_get_ivr
in interrupt handler. It eliminates function call overhead.
PATCHNAME: entry_interrupt_xen_get_ivr_direct_hypercall

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r 3dc0db4766c2 -r 922033cd4e1b arch/ia64/xen/xenivt.S
--- a/arch/ia64/xen/xenivt.S	Wed Jun 20 15:03:23 2007 +0900
+++ b/arch/ia64/xen/xenivt.S	Tue Jun 26 15:14:46 2007 +0900
@@ -1211,7 +1211,7 @@ ENTRY(interrupt)
 	alloc r14=ar.pfs,0,0,2,0 // must be first in an insn group
 #ifdef CONFIG_XEN
 	;;
-	br.call.sptk.many rp=xen_get_ivr
+	XEN_HYPER_GET_IVR
 	;;
 	mov out0=r8		// pass cr.ivr as first arg
 #else