The xen grant table will be initialied before parsing the PCI resources, so xen_alloc_unpopulated_pages() ends up using a range from the PCI window because Linux hasn't parsed the PCI information yet. So modify the initialization order to make sure the real PCI resources are parsed before. Signed-off-by: Huang Rui <ray.huang@xxxxxxx> --- arch/x86/xen/grant-table.c | 2 +- drivers/xen/grant-table.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/xen/grant-table.c b/arch/x86/xen/grant-table.c index 1e681bf62561..64a04d1e70f5 100644 --- a/arch/x86/xen/grant-table.c +++ b/arch/x86/xen/grant-table.c @@ -165,5 +165,5 @@ static int __init xen_pvh_gnttab_setup(void) } /* Call it _before_ __gnttab_init as we need to initialize the * xen_auto_xlat_grant_frames first. */ -core_initcall(xen_pvh_gnttab_setup); +fs_initcall_sync(xen_pvh_gnttab_setup); #endif diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index e1ec725c2819..6382112f3473 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -1680,4 +1680,4 @@ static int __gnttab_init(void) } /* Starts after core_initcall so that xen_pvh_gnttab_setup can be called * beforehand to initialize xen_auto_xlat_grant_frames. */ -core_initcall_sync(__gnttab_init); +rootfs_initcall(__gnttab_init); -- 2.25.1