From: Keir Fraser <keir@xen.org>
Date: Tue, 31 May 2011 12:57:45 +0000 (+0100)
Subject: x86: Fix spurious_page_fault() for 1GB superpages.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~10259
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https://%22%22/%22http:/www.example.com/cgi/%22https:/%22%22?a=commitdiff_plain;h=4ba6d11c49245ad9350d80f247b049377701554a;p=xen.git

x86: Fix spurious_page_fault() for 1GB superpages.

From: Xin Li <xin.li@intel.com>
Signed-off-by: Keir Fraser <keir@xen.org>
---

diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c
index 655e74c03c..0852ab2bd6 100644
--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -1195,6 +1195,8 @@ static int __spurious_page_fault(
     if ( ((l3e_get_flags(l3e) & required_flags) != required_flags) ||
          (l3e_get_flags(l3e) & disallowed_flags) )
         return 0;
+    if ( l3e_get_flags(l3e) & _PAGE_PSE )
+        return 1;
 #endif
 #endif