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[v8,05/13] arm/mem_access: Introduce GV2M_EXEC permission

Message ID 20170809082038.3236-6-proskurin@sec.in.tum.de (mailing list archive)
State New, archived
Headers show

Commit Message

Sergej Proskurin Aug. 9, 2017, 8:20 a.m. UTC 
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>
---
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Julien Grall <julien.grall@arm.com>
---
 xen/include/asm-arm/page.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

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__