Messages in this thread Patch in this message | | | From | Boris Ostrovsky <> | Subject | [PATCH v2 6/9] xen/pvh: Initialize grant table for PVH guests | Date | Thu, 26 Jan 2017 14:41:29 -0500 |
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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@oracle.com> --- 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
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