From: Sergej Proskurin <proskurin@sec.in.tum.de>
Date: Wed, 16 Aug 2017 13:17:36 +0000 (+0200)
Subject: arm/mem_access: Introduce GV2M_EXEC permission
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~1649
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=f013bc61ec23f7697f33bbb5a5ed674745ecc223;p=xen.git

arm/mem_access: Introduce GV2M_EXEC permission

We extend the current implementation by an additional permission,
GV2M_EXEC, which will be used to describe execute permissions of PTE's
as part of our guest translation table walk implementation.

Signed-off-by: Sergej Proskurin <proskurin@sec.in.tum.de>
Acked-by: Julien Grall <julien.grall@arm.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
---

diff --git a/xen/include/asm-arm/page.h b/xen/include/asm-arm/page.h
index cef2f28914..b8d641bfaf 100644
--- a/xen/include/asm-arm/page.h
+++ b/xen/include/asm-arm/page.h
@@ -90,6 +90,7 @@
 /* Flags for get_page_from_gva, gvirt_to_maddr etc */
 #define GV2M_READ  (0u<<0)
 #define GV2M_WRITE (1u<<0)
+#define GV2M_EXEC  (1u<<1)
 
 #ifndef __ASSEMBLY__