pkgsrc/sysutils/xenkernel41/patches/patch-CVE-2014-3124
2015-12-29 04:04:26 +00:00

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$NetBSD: patch-CVE-2014-3124,v 1.2 2015/12/29 04:04:32 dholland Exp $
--- xen/include/asm-x86/p2m.h.orig 2013-09-10 06:42:18.000000000 +0000
+++ xen/include/asm-x86/p2m.h 2014-04-30 13:11:30.000000000 +0000
@@ -134,6 +134,13 @@ typedef enum {
| p2m_to_mask(p2m_ram_paging_in) \
| p2m_to_mask(p2m_ram_shared))
+/* Types that represent a physmap hole. */
+#define P2M_HOLE_TYPES (p2m_to_mask(p2m_mmio_dm) \
+ | p2m_to_mask(p2m_invalid) \
+ | p2m_to_mask(p2m_ram_paging_in_start) \
+ | p2m_to_mask(p2m_ram_paging_in) \
+ | p2m_to_mask(p2m_ram_paged))
+
/* Grant mapping types, which map to a real machine frame in another
* VM */
#define P2M_GRANT_TYPES (p2m_to_mask(p2m_grant_map_rw) \
@@ -170,6 +177,7 @@ typedef enum {
/* Useful predicates */
#define p2m_is_ram(_t) (p2m_to_mask(_t) & P2M_RAM_TYPES)
+#define p2m_is_hole(_t) (p2m_to_mask(_t) & P2M_HOLE_TYPES)
#define p2m_is_mmio(_t) (p2m_to_mask(_t) & P2M_MMIO_TYPES)
#define p2m_is_readonly(_t) (p2m_to_mask(_t) & P2M_RO_TYPES)
#define p2m_is_magic(_t) (p2m_to_mask(_t) & P2M_MAGIC_TYPES)