3 files changed, 11 insertions, 6 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 55d9caf66401..f3f2d87cce1b 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -380,7 +380,7 @@ static int __init efi_systab_init(unsigned long phys)
 		return -ENOMEM;
 	}
 
-	ret = efi_systab_check_header(hdr, 1);
+	ret = efi_systab_check_header(hdr);
 	if (ret) {
 		early_memunmap(p, size);
 		return ret;
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index b36596bf0fc3..232acf418cfb 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -389,10 +389,15 @@ static int __init efi_update_mappings(efi_memory_desc_t *md, unsigned long pf)
 	return err1 || err2;
 }
 
-static int __init efi_update_mem_attr(struct mm_struct *mm, efi_memory_desc_t *md)
+bool efi_disable_ibt_for_runtime __ro_after_init = true;
+
+static int __init efi_update_mem_attr(struct mm_struct *mm, efi_memory_desc_t *md,
+				      bool has_ibt)
 {
 	unsigned long pf = 0;
 
+	efi_disable_ibt_for_runtime |= !has_ibt;
+
 	if (md->attribute & EFI_MEMORY_XP)
 		pf |= _PAGE_NX;
 
@@ -414,6 +419,7 @@ void __init efi_runtime_update_mappings(void)
 	 * exists, since it is intended to supersede EFI_PROPERTIES_TABLE.
 	 */
 	if (efi_enabled(EFI_MEM_ATTR)) {
+		efi_disable_ibt_for_runtime = false;
 		efi_memattr_apply_permissions(NULL, efi_update_mem_attr);
 		return;
 	}
diff --git a/arch/x86/platform/uv/uv_irq.c b/arch/x86/platform/uv/uv_irq.c
index 1a536a187d74..ee21d6a36a80 100644
--- a/arch/x86/platform/uv/uv_irq.c
+++ b/arch/x86/platform/uv/uv_irq.c
@@ -166,10 +166,9 @@ static struct irq_domain *uv_get_irq_domain(void)
 	if (!fn)
 		goto out;
 
-	uv_domain = irq_domain_create_tree(fn, &uv_domain_ops, NULL);
-	if (uv_domain)
-		uv_domain->parent = x86_vector_domain;
-	else
+	uv_domain = irq_domain_create_hierarchy(x86_vector_domain, 0, 0, fn,
+						&uv_domain_ops, NULL);
+	if (!uv_domain)
 		irq_domain_free_fwnode(fn);
 out:
 	mutex_unlock(&uv_lock);