diff --git a/arch/arm/xen/grant-table.c b/arch/arm/xen/grant-table.c
index 2c4041c9bac5e18e320d25b0577d034c52514b43..e43791829aceb2a725d45b419b36c21b54ec0300 100644
--- a/arch/arm/xen/grant-table.c
+++ b/arch/arm/xen/grant-table.c
@@ -49,8 +49,3 @@ int arch_gnttab_init(unsigned long nr_shared)
 {
 	return 0;
 }
-
-int arch_gnttab_init(unsigned long nr_shared, unsigned long nr_status)
-{
-	return 0;
-}
diff --git a/arch/x86/xen/grant-table.c b/arch/x86/xen/grant-table.c
index c0413046483ae9862c1d487348b3a701a2045e3a..1580e7a5a4cf7600d0f424ddd5a66d76efef6b2f 100644
--- a/arch/x86/xen/grant-table.c
+++ b/arch/x86/xen/grant-table.c
@@ -118,6 +118,7 @@ static int __init xlated_setup_gnttab_pages(void)
 {
 	struct page **pages;
 	xen_pfn_t *pfns;
+	void *vaddr;
 	int rc;
 	unsigned int i;
 	unsigned long nr_grant_frames = gnttab_max_grant_frames();
@@ -143,21 +144,20 @@ static int __init xlated_setup_gnttab_pages(void)
 	for (i = 0; i < nr_grant_frames; i++)
 		pfns[i] = page_to_pfn(pages[i]);
 
-	rc = arch_gnttab_map_shared(pfns, nr_grant_frames, nr_grant_frames,
-				    &xen_auto_xlat_grant_frames.vaddr);
-
-	if (rc) {
+	vaddr = vmap(pages, nr_grant_frames, 0, PAGE_KERNEL);
+	if (!vaddr) {
 		pr_warn("%s Couldn't map %ld pfns rc:%d\n", __func__,
 			nr_grant_frames, rc);
 		free_xenballooned_pages(nr_grant_frames, pages);
 		kfree(pages);
 		kfree(pfns);
-		return rc;
+		return -ENOMEM;
 	}
 	kfree(pages);
 
 	xen_auto_xlat_grant_frames.pfn = pfns;
 	xen_auto_xlat_grant_frames.count = nr_grant_frames;
+	xen_auto_xlat_grant_frames.vaddr = vaddr;
 
 	return 0;
 }
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 7b78f88c1707b994b34f20408bc1b6046447eb22..5718b0b58b60f663a845207af02d930962e96b8f 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -444,7 +444,7 @@ void xen_setup_timer(int cpu)
 
 	irq = bind_virq_to_irqhandler(VIRQ_TIMER, cpu, xen_timer_interrupt,
 				      IRQF_PERCPU|IRQF_NOBALANCING|IRQF_TIMER|
-				      IRQF_FORCE_RESUME,
+				      IRQF_FORCE_RESUME|IRQF_EARLY_RESUME,
 				      name, NULL);
 	(void)xen_set_irq_priority(irq, XEN_IRQ_PRIORITY_MAX);