From: Alex Williamson <alex.williamson@hp.com>
Date: Wed, 28 Nov 2007 19:34:33 +0000 (-0700)
Subject: [IA64] Only use streamlined entry/exit for xen hypercall.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14690
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success/%22http:/www.example.com/cgi/success?a=commitdiff_plain;h=7b3e1bdc2a67b4622f097c2435d617663c6c42a4;p=xen.git

[IA64] Only use streamlined entry/exit for xen hypercall.

This patch allows to use ia64 specific hypercalls in vti mode.

Signed-off-by: Tristan Gingold <tgingold@free.fr>
---

diff --git a/xen/arch/ia64/vmx/vmx_ivt.S b/xen/arch/ia64/vmx/vmx_ivt.S
index b5a40eaf30..b2ed77043d 100644
--- a/xen/arch/ia64/vmx/vmx_ivt.S
+++ b/xen/arch/ia64/vmx/vmx_ivt.S
@@ -472,7 +472,7 @@ ENTRY(vmx_break_fault)
     ;;
     ld4 r22=[r22]
     extr.u r24=r29,IA64_PSR_CPL0_BIT,2
-    cmp.eq p0,p6=r0,r0
+    cmp.ltu p6,p0=NR_hypercalls,r2
     ;;
     cmp.ne.or p6,p0=r22,r17
     cmp.ne.or p6,p0=r0,r24