[Xen-devel] [PATCH 02 of 12] xenpaging: do not bounce p2mt to xenpaging

[Olaf Hering <olaf@xxxxxxxxx>]

# HG changeset patch
# User Olaf Hering <olaf@xxxxxxxxx>
# Date 1307437210 -7200
# Node ID d22489c1b10a7fd17fca635d0a29dc774cf97bf3
# Parent  6b8446bf4e5fbfa93169ec2509364c0fde74beca
xenpaging: do not bounce p2mt to xenpaging

do not bounce p2mt to xenpaging because p2m_mem_paging_populate() and
p2m_mem_paging_resume() dont make use of p2mt

Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>

diff -r 6b8446bf4e5f -r d22489c1b10a tools/xenpaging/xenpaging.c
--- a/tools/xenpaging/xenpaging.c       Tue Jun 07 11:00:09 2011 +0200
+++ b/tools/xenpaging/xenpaging.c       Tue Jun 07 11:00:10 2011 +0200
@@ -657,7 +657,6 @@ int main(int argc, char *argv[])
 
                 /* Prepare the response */
                 rsp.gfn = req.gfn;
-                rsp.p2mt = req.p2mt;
                 rsp.vcpu_id = req.vcpu_id;
                 rsp.flags = req.flags;
 
@@ -674,10 +673,8 @@ int main(int argc, char *argv[])
             else
             {
                 DPRINTF("page already populated (domain = %d; vcpu = %d;"
-                        " p2mt = %x;"
                         " gfn = %"PRIx64"; paused = %d)\n",
                         paging->mem_event.domain_id, req.vcpu_id,
-                        req.p2mt,
                         req.gfn, req.flags & MEM_EVENT_FLAG_VCPU_PAUSED);
 
                 /* Tell Xen to resume the vcpu */
@@ -686,7 +683,6 @@ int main(int argc, char *argv[])
                 {
                     /* Prepare the response */
                     rsp.gfn = req.gfn;
-                    rsp.p2mt = req.p2mt;
                     rsp.vcpu_id = req.vcpu_id;
                     rsp.flags = req.flags;
 
diff -r 6b8446bf4e5f -r d22489c1b10a xen/arch/x86/mm/p2m.c
--- a/xen/arch/x86/mm/p2m.c     Tue Jun 07 11:00:09 2011 +0200
+++ b/xen/arch/x86/mm/p2m.c     Tue Jun 07 11:00:10 2011 +0200
@@ -773,7 +773,6 @@ void p2m_mem_paging_populate(struct doma
 
     /* Send request to pager */
     req.gfn = gfn;
-    req.p2mt = p2mt;
     req.vcpu_id = v->vcpu_id;
 
     mem_event_put_request(d, &req);

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