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Code Issues Releases Wiki Activity

xen/xenbus: Rename the variable xen_store_mfn to xen_store_gfn

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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>
This commit is contained in:
Julien Grall 2015-08-07 17:34:42 +01:00
parent a13d7201d7
commit 5f51042f87
1 changed files with 7 additions and 7 deletions
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14
drivers/xen/xenbus/xenbus_probe.c
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@ -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");