diff mbox

[Xen-devel,for-4.8,v2,05/23] xen/arm: p2m: Add a back pointer to domain in p2m_domain

Message ID 1473938919-31976-6-git-send-email-julien.grall@arm.com
State New
Headers show

Commit Message

Julien Grall Sept. 15, 2016, 11:28 a.m. UTC
The back pointer will be usefult later to get the domain when we only
have the p2m in hand.

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

---
    Changes in v2:
        - Patch added
---
 xen/arch/arm/p2m.c        | 1 +
 xen/include/asm-arm/p2m.h | 3 +++
 2 files changed, 4 insertions(+)
diff mbox

Patch

diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index 950a607..5cf136f 100644
--- a/xen/arch/arm/p2m.c
+++ b/xen/arch/arm/p2m.c
@@ -1391,6 +1391,7 @@  int p2m_init(struct domain *d)
     if ( rc != 0 )
         return rc;
 
+    p2m->domain = d;
     p2m->max_mapped_gfn = _gfn(0);
     p2m->lowest_mapped_gfn = _gfn(ULONG_MAX);
 
diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h
index b9269e4..b27a3a1 100644
--- a/xen/include/asm-arm/p2m.h
+++ b/xen/include/asm-arm/p2m.h
@@ -81,6 +81,9 @@  struct p2m_domain {
      * enough available bits to store this information.
      */
     struct radix_tree_root mem_access_settings;
+
+    /* back pointer to domain */
+    struct domain *domain;
 };
 
 /*