5 files changed, 45 insertions, 33 deletions
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 8073625371f5..07060e5b5864 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -59,6 +59,9 @@ struct xen_memory_region xen_extra_mem[XEN_EXTRA_MEM_MAX_REGIONS] __initdata;
 
 static __read_mostly unsigned int xen_events_irq;
 
+uint32_t xen_start_flags;
+EXPORT_SYMBOL(xen_start_flags);
+
 int xen_remap_domain_gfn_array(struct vm_area_struct *vma,
 			       unsigned long addr,
 			       xen_pfn_t *gfn, int nr,
@@ -293,9 +296,7 @@ void __init xen_early_init(void)
 	xen_setup_features();
 
 	if (xen_feature(XENFEAT_dom0))
-		xen_start_info->flags |= SIF_INITDOMAIN|SIF_PRIVILEGED;
-	else
-		xen_start_info->flags &= ~(SIF_INITDOMAIN|SIF_PRIVILEGED);
+		xen_start_flags |= SIF_INITDOMAIN|SIF_PRIVILEGED;
 
 	if (!console_set_on_cmdline && !xen_initial_domain())
 		add_preferred_console("hvc", 0, NULL);
diff --git a/arch/s390/include/asm/css_chars.h b/arch/s390/include/asm/css_chars.h
index 0563fd3e8458..480bb02ccacd 100644
--- a/arch/s390/include/asm/css_chars.h
+++ b/arch/s390/include/asm/css_chars.h
@@ -6,36 +6,38 @@
 
 struct css_general_char {
 	u64 : 12;
-	u32 dynio : 1;	 /* bit 12 */
-	u32 : 4;
-	u32 eadm : 1;	 /* bit 17 */
-	u32 : 23;
-	u32 aif : 1;	 /* bit 41 */
-	u32 : 3;
-	u32 mcss : 1;	 /* bit 45 */
-	u32 fcs : 1;	 /* bit 46 */
-	u32 : 1;
-	u32 ext_mb : 1;  /* bit 48 */
-	u32 : 7;
-	u32 aif_tdd : 1; /* bit 56 */
-	u32 : 1;
-	u32 qebsm : 1;	 /* bit 58 */
-	u32 : 2;
-	u32 aiv : 1;     /* bit 61 */
-	u32 : 5;
-	u32 aif_osa : 1; /* bit 67 */
-	u32 : 12;
-	u32 eadm_rf : 1; /* bit 80 */
-	u32 : 1;
-	u32 cib : 1;	 /* bit 82 */
-	u32 : 5;
-	u32 fcx : 1;	 /* bit 88 */
-	u32 : 19;
-	u32 alt_ssi : 1; /* bit 108 */
-	u32 : 1;
-	u32 narf : 1;	 /* bit 110 */
-	u32 : 12;
-	u32 util_str : 1;/* bit 123 */
+	u64 dynio : 1;	 /* bit 12 */
+	u64 : 4;
+	u64 eadm : 1;	 /* bit 17 */
+	u64 : 23;
+	u64 aif : 1;	 /* bit 41 */
+	u64 : 3;
+	u64 mcss : 1;	 /* bit 45 */
+	u64 fcs : 1;	 /* bit 46 */
+	u64 : 1;
+	u64 ext_mb : 1;  /* bit 48 */
+	u64 : 7;
+	u64 aif_tdd : 1; /* bit 56 */
+	u64 : 1;
+	u64 qebsm : 1;	 /* bit 58 */
+	u64 : 2;
+	u64 aiv : 1;	 /* bit 61 */
+	u64 : 2;
+
+	u64 : 3;
+	u64 aif_osa : 1; /* bit 67 */
+	u64 : 12;
+	u64 eadm_rf : 1; /* bit 80 */
+	u64 : 1;
+	u64 cib : 1;	 /* bit 82 */
+	u64 : 5;
+	u64 fcx : 1;	 /* bit 88 */
+	u64 : 19;
+	u64 alt_ssi : 1; /* bit 108 */
+	u64 : 1;
+	u64 narf : 1;	 /* bit 110 */
+	u64 : 12;
+	u64 util_str : 1;/* bit 123 */
 } __packed;
 
 extern struct css_general_char css_general_characteristics;
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index c9081c6671f0..3b5318505c69 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -65,6 +65,13 @@ __read_mostly int xen_have_vector_callback;
 EXPORT_SYMBOL_GPL(xen_have_vector_callback);
 
 /*
+ * NB: needs to live in .data because it's used by xen_prepare_pvh which runs
+ * before clearing the bss.
+ */
+uint32_t xen_start_flags __attribute__((section(".data"))) = 0;
+EXPORT_SYMBOL(xen_start_flags);
+
+/*
  * Point at some empty memory to start with. We map the real shared_info
  * page as soon as fixmap is up and running.
  */
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index 357969a3697c..8d4e2e1ae60b 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -1203,6 +1203,7 @@ asmlinkage __visible void __init xen_start_kernel(void)
 		return;
 
 	xen_domain_type = XEN_PV_DOMAIN;
+	xen_start_flags = xen_start_info->flags;
 
 	xen_setup_features();
 
diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c
index aa1c6a6831a9..c85d1a88f476 100644
--- a/arch/x86/xen/enlighten_pvh.c
+++ b/arch/x86/xen/enlighten_pvh.c
@@ -97,6 +97,7 @@ void __init xen_prepare_pvh(void)
 	}
 
 	xen_pvh = 1;
+	xen_start_flags = pvh_start_info.flags;
 
 	msr = cpuid_ebx(xen_cpuid_base() + 2);
 	pfn = __pa(hypercall_page);