xen/xenbus: Rename the variable xen_store_mfn to xen_store_gfn

The variable xen_store_mfn is effectively storing a GFN and not an MFN.

Signed-off-by: Julien Grall <julien.grall@citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>

1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index b3870f4ca1d0..3cbe0556de26 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -75,7 +75,7 @@ EXPORT_SYMBOL_GPL(xen_store_interface);
 enum xenstore_init xen_store_domain_type;
 EXPORT_SYMBOL_GPL(xen_store_domain_type);
 
-static unsigned long xen_store_mfn;
+static unsigned long xen_store_gfn;
 
 static BLOCKING_NOTIFIER_HEAD(xenstore_chain);
 
@@ -711,7 +711,7 @@ static int __init xenstored_local_init(void)
         if (!page)
                 goto out_err;
 
-        xen_store_mfn = xen_start_info->store_mfn = virt_to_gfn((void *)page);
+        xen_store_gfn = xen_start_info->store_mfn = virt_to_gfn((void *)page);
 
         /* Next allocate a local port which xenstored can bind to */
         alloc_unbound.dom        = DOMID_SELF;
@@ -785,12 +785,12 @@ static int __init xenbus_init(void)
                 err = xenstored_local_init();
                 if (err)
                         goto out_error;
-                xen_store_interface = gfn_to_virt(xen_store_mfn);
+                xen_store_interface = gfn_to_virt(xen_store_gfn);
                 break;
         case XS_PV:
                 xen_store_evtchn = xen_start_info->store_evtchn;
-                xen_store_mfn = xen_start_info->store_mfn;
-                xen_store_interface = gfn_to_virt(xen_store_mfn);
+                xen_store_gfn = xen_start_info->store_mfn;
+                xen_store_interface = gfn_to_virt(xen_store_gfn);
                 break;
         case XS_HVM:
                 err = hvm_get_parameter(HVM_PARAM_STORE_EVTCHN, &v);
@@ -800,9 +800,9 @@ static int __init xenbus_init(void)
                 err = hvm_get_parameter(HVM_PARAM_STORE_PFN, &v);
                 if (err)
                         goto out_error;
-                xen_store_mfn = (unsigned long)v;
+                xen_store_gfn = (unsigned long)v;
                 xen_store_interface =
-                        xen_remap(xen_store_mfn << PAGE_SHIFT, PAGE_SIZE);
+                        xen_remap(xen_store_gfn << PAGE_SHIFT, PAGE_SIZE);
                 break;
         default:
                 pr_warn("Xenstore state unknown\n");