[Xen-devel] [PATCH v5 03/16] xen/arm: mm: Use gaddr_to_gfn rather than _gfn(paddr_to_pfn(...))

[julien.grall@xxxxxxx]

From: Julien Grall <julien.grall@xxxxxxx>

The construction _gfn(paddr_to_pfn(...)) can be simplified by using
gaddr_to_gfn.

Signed-off-by: Julien Grall <julien.grall@xxxxxxx>

---
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>

    Changes in v4:
        - Patch added
---
 xen/arch/arm/mm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
index 3c328e2df5..9b77ab5f33 100644
--- a/xen/arch/arm/mm.c
+++ b/xen/arch/arm/mm.c
@@ -1436,7 +1436,7 @@ int create_grant_host_mapping(unsigned long addr, 
unsigned long frame,
     if ( flags & GNTMAP_readonly )
         t = p2m_grant_map_ro;
 
-    rc = guest_physmap_add_entry(current->domain, _gfn(addr >> PAGE_SHIFT),
+    rc = guest_physmap_add_entry(current->domain, gaddr_to_gfn(addr),
                                  _mfn(frame), 0, t);
 
     if ( rc )
@@ -1448,7 +1448,7 @@ int create_grant_host_mapping(unsigned long addr, 
unsigned long frame,
 int replace_grant_host_mapping(unsigned long addr, unsigned long mfn,
         unsigned long new_addr, unsigned int flags)
 {
-    gfn_t gfn = _gfn(addr >> PAGE_SHIFT);
+    gfn_t gfn = gaddr_to_gfn(addr);
     struct domain *d = current->domain;
     int rc;
 
-- 
2.11.0


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