[Xen-changelog] [xen master] xen/arm: map_regions_rw_cache: Map the region with p2m->default_access

[patchbot@xxxxxxx]

commit abea864be5bf96608165c4cc2704da1da4cad3d5
Author:     Julien Grall <julien.grall@xxxxxxx>
AuthorDate: Tue Jul 12 14:59:28 2016 +0100
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Wed Jul 13 18:35:48 2016 +0100

    xen/arm: map_regions_rw_cache: Map the region with p2m->default_access
    
    The parameter 'access' is used by memaccess to restrict temporarily the
    permission. This parameter should not be used for other purpose (such
    as restricting permanently the permission).
    
    Instead, we should use the default access requested by memacess. When it
    is not enabled, the access will be p2m_access_rwx (i.e no restriction
    applied).
    
    The type p2m_mmio_direct will map the region read-write and
    non-executable before any further restriction by memaccess. Note that
    this is already the resulting permission with the curreent combination
    of the type and the access. So there is no functional change.
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
    Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/arm/p2m.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index 1cfb62b..fcc4513 100644
--- a/xen/arch/arm/p2m.c
+++ b/xen/arch/arm/p2m.c
@@ -1231,7 +1231,7 @@ int map_regions_rw_cache(struct domain *d,
                              pfn_to_paddr(start_gfn + nr),
                              pfn_to_paddr(mfn),
                              MATTR_MEM, 0, p2m_mmio_direct,
-                             p2m_access_rw);
+                             d->arch.p2m.default_access);
 }
 
 int unmap_regions_rw_cache(struct domain *d,
@@ -1244,7 +1244,7 @@ int unmap_regions_rw_cache(struct domain *d,
                              pfn_to_paddr(start_gfn + nr),
                              pfn_to_paddr(mfn),
                              MATTR_MEM, 0, p2m_invalid,
-                             p2m_access_rw);
+                             d->arch.p2m.default_access);
 }
 
 int map_mmio_regions(struct domain *d,
--
generated by git-patchbot for /home/xen/git/xen.git#master

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