From: Ian Campbell <ian.campbell@citrix.com>
Date: Fri, 15 Feb 2013 13:32:10 +0000 (+0000)
Subject: xen: arm32: Use system wide TLB flushes, not just inner-shareable
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~7281
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=22c670a96d7bb3eb79595b2bb567c5358793cc68;p=xen.git

xen: arm32: Use system wide TLB flushes, not just inner-shareable

We currently setup page table walks etc as outer-shareable. Given we don't
really make the distinction between inner- and outer-shareable yet err on
theside of safety.

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/flushtlb.h b/xen/include/asm-arm/flushtlb.h
index 210abfa386..5067e5daea 100644
--- a/xen/include/asm-arm/flushtlb.h
+++ b/xen/include/asm-arm/flushtlb.h
@@ -19,7 +19,7 @@ static inline void flush_tlb_local(void)
 {
     dsb();
 
-    WRITE_CP32((uint32_t) 0, TLBIALLIS);
+    WRITE_CP32((uint32_t) 0, TLBIALL);
 
     dsb();
     isb();
@@ -30,7 +30,7 @@ static inline void flush_tlb_all_local(void)
 {
     dsb();
 
-    WRITE_CP32((uint32_t) 0, TLBIALLNSNHIS);
+    WRITE_CP32((uint32_t) 0, TLBIALLNSNH);
 
     dsb();
     isb();