[Xen-devel] [PATCH v4 07/12] xen/arm: implement map_domain_page_global and unmap_domain_page_global

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

The implementation uses vmap and vunmap.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

Changes in v3:
- use vmap/vunmap to implement un/map_domain_page_global.
---
 xen/arch/arm/mm.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
index 3c0b0f0..e11d393 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;
@@ -131,6 +132,16 @@ 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)
 {
-- 
1.7.2.5


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