[Xen-changelog] [xen master] x86/pv/domain: clean up setup_compat_l4

[patchbot@xxxxxxx]

commit b3507d1b5b366cf11d4b3d29db78a3bfbadb1cda
Author:     Wei Liu <wei.liu2@xxxxxxxxxx>
AuthorDate: Wed Apr 26 16:24:13 2017 +0100
Commit:     Wei Liu <wei.liu2@xxxxxxxxxx>
CommitDate: Wed Jun 7 12:15:56 2017 +0100

    x86/pv/domain: clean up setup_compat_l4
    
    Move updating type_info after clearing the page. Add spaces.
    
    Suggested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/x86/pv/domain.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/xen/arch/x86/pv/domain.c b/xen/arch/x86/pv/domain.c
index 2fa075b..4bd6581 100644
--- a/xen/arch/x86/pv/domain.c
+++ b/xen/arch/x86/pv/domain.c
@@ -27,14 +27,14 @@ static int setup_compat_l4(struct vcpu *v)
     if ( pg == NULL )
         return -ENOMEM;
 
-    /* This page needs to look like a pagetable so that it can be shadowed */
-    pg->u.inuse.type_info = PGT_l4_page_table|PGT_validated|1;
-
     l4tab = __map_domain_page(pg);
     clear_page(l4tab);
     init_guest_l4_table(l4tab, v->domain, 1);
     unmap_domain_page(l4tab);
 
+    /* This page needs to look like a pagetable so that it can be shadowed */
+    pg->u.inuse.type_info = PGT_l4_page_table | PGT_validated | 1;
+
     v->arch.guest_table = pagetable_from_page(pg);
     v->arch.guest_table_user = v->arch.guest_table;
 
--
generated by git-patchbot for /home/xen/git/xen.git#master

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