[Xen-devel] [RFC for-4.8 v2 1/7] xen/arm: Add MATTR_MEM_NC for normal non-cacheable memory

["Edgar E. Iglesias" <edgar.iglesias@xxxxxxxxx>]

From: "Edgar E. Iglesias" <edgar.iglesias@xxxxxxxxxx>

Add the MATTR_MEM_NC macro describing normal non-cacheable memory.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xxxxxxxxxx>
---
 xen/arch/arm/p2m.c         | 1 +
 xen/include/asm-arm/page.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index 838d004..0f1e1b1 100644
--- a/xen/arch/arm/p2m.c
+++ b/xen/arch/arm/p2m.c
@@ -343,6 +343,7 @@ static lpae_t mfn_to_p2m_entry(unsigned long mfn, unsigned 
int mattr,
         e.p2m.sh = LPAE_SH_INNER;
         break;
 
+    case MATTR_MEM_NC:
     case MATTR_DEV:
         e.p2m.sh = LPAE_SH_OUTER;
         break;
diff --git a/xen/include/asm-arm/page.h b/xen/include/asm-arm/page.h
index a94e978..45d2e2c 100644
--- a/xen/include/asm-arm/page.h
+++ b/xen/include/asm-arm/page.h
@@ -73,6 +73,7 @@
  *
  */
 #define MATTR_DEV     0x1
+#define MATTR_MEM_NC  0x5
 #define MATTR_MEM     0xf
 
 /* Flags for get_page_from_gva, gvirt_to_maddr etc */
-- 
2.5.0


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