From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Tue, 7 May 2013 14:12:44 +0000 (+0100)
Subject: xen/arm: implement map_domain_page_global and unmap_domain_page_global
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~6897
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success/%22http:/www.example.com/cgi/success?a=commitdiff_plain;h=a32dbcef6d917e6019e2a5a1467276a555d7ec34;p=xen.git

xen/arm: implement map_domain_page_global and unmap_domain_page_global

The implementation uses vmap and vunmap.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
---

diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
index 6bb3005a40..2836cbbc58 100644
--- a/xen/arch/arm/mm.c
+++ b/xen/arch/arm/mm.c
@@ -36,6 +36,7 @@
 #include <asm/flushtlb.h>
 #include <public/memory.h>
 #include <xen/sched.h>
+#include <xen/vmap.h>
 #include <xsm/xsm.h>
 
 struct domain *dom_xen, *dom_io, *dom_cow;
@@ -177,6 +178,16 @@ void clear_fixmap(unsigned map)
     flush_xen_data_tlb_range_va(FIXMAP_ADDR(map), PAGE_SIZE);
 }
 
+void *map_domain_page_global(unsigned long mfn)
+{
+    return vmap(&mfn, 1);
+}
+
+void unmap_domain_page_global(const void *va)
+{
+    vunmap(va);
+}
+
 /* Map a page of domheap memory */
 void *map_domain_page(unsigned long mfn)
 {