[Xen-changelog] [xen master] xen/arm: p2m: Add a back pointer to domain in p2m_domain

[patchbot@xxxxxxx]

commit 5e504b74371410e81e88f433eb8f4cfc36119b28
Author:     Julien Grall <julien.grall@xxxxxxx>
AuthorDate: Thu Sep 15 12:28:21 2016 +0100
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Tue Sep 27 18:13:46 2016 -0700

    xen/arm: p2m: Add a back pointer to domain in p2m_domain
    
    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@xxxxxxx>
    Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Tested-by: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>
---
 xen/arch/arm/p2m.c        | 1 +
 xen/include/asm-arm/p2m.h | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index fe0ed9f..2bddcd7 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 d0dae2e..4445045 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;
 };
 
 /*
--
generated by git-patchbot for /home/xen/git/xen.git#master

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