From: Ian Campbell <ian.campbell@citrix.com>
Date: Tue, 26 Jun 2012 15:23:56 +0000 (+0100)
Subject: arm: dump a page table walk when va_to_par fails.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~8289
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=244ca5b4da3f9dcc091305b38975923b44e71f27;p=xen.git

arm: dump a page table walk when va_to_par fails.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Tim Deegan <tim@xen.org>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
---

diff --git a/xen/include/asm-arm/page.h b/xen/include/asm-arm/page.h
index 183ba5fdad..4c3fd0d42c 100644
--- a/xen/include/asm-arm/page.h
+++ b/xen/include/asm-arm/page.h
@@ -294,7 +294,11 @@ static inline uint64_t va_to_par(uint32_t va)
 {
     uint64_t par = __va_to_par(va);
     /* It is not OK to call this with an invalid VA */
-    if ( par & PAR_F ) panic_PAR(par, "Hypervisor");
+    if ( par & PAR_F )
+    {
+        dump_hyp_walk(va);
+        panic_PAR(par, "Hypervisor");
+    }
     return par;
 }