[PATCH v2 6/9] xen/pvh: Initialize grant table for PVH guests
From: Boris Ostrovsky
Date: Thu Jan 26 2017 - 15:44:58 EST
Like PV guests, PVH does not have PCI devices and therefore cannot
use MMIO space to store grants. Instead it balloons out memory and
keeps grants there.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
---
Changes in v2:
* Updated commit message
drivers/xen/grant-table.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index bb36b1e..d6786b8 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -1146,13 +1146,13 @@ int gnttab_init(void)
static int __gnttab_init(void)
{
+ if (!xen_domain())
+ return -ENODEV;
+
/* Delay grant-table initialization in the PV on HVM case */
- if (xen_hvm_domain())
+ if (xen_hvm_domain() && !xen_pvh_domain())
return 0;
- if (!xen_pv_domain())
- return -ENODEV;
-
return gnttab_init();
}
/* Starts after core_initcall so that xen_pvh_gnttab_setup can be called
--
1.8.3.1