From: Alex Williamson <alex.williamson@hp.com>
Date: Fri, 7 Mar 2008 20:26:40 +0000 (-0700)
Subject: [IA64] Fix io access from the inside of UC physical address
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14260
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=efbe429d2269df7c4a05a4993e0312bf21b592e6;p=xen.git

[IA64] Fix io access from the inside of UC physical address

I/O access from the inside of UC physical address causes a panic on HVM.

Singed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>
---

diff --git a/xen/arch/ia64/vmx/vmmu.c b/xen/arch/ia64/vmx/vmmu.c
index 8097533403..671c503e17 100644
--- a/xen/arch/ia64/vmx/vmmu.c
+++ b/xen/arch/ia64/vmx/vmmu.c
@@ -160,7 +160,7 @@ fetch_code(VCPU *vcpu, u64 gip, IA64_BUNDLE *pbundle)
 
  again:
     if ( !(VCPU(vcpu, vpsr) & IA64_PSR_IT) ) {   // I-side physical mode
-        gpip = gip;
+        gpip = gip & ~(1UL << 63);	// clear UC bit
     }
     else {
         tlb = vtlb_lookup(vcpu, gip, ISIDE_TLB);