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-rw-r--r--arch/s390/mm/gmap.c1
-rw-r--r--arch/s390/mm/gmap_helpers.c2
-rw-r--r--arch/s390/mm/init.c2
-rw-r--r--arch/s390/mm/pgtable.c3
4 files changed, 5 insertions, 3 deletions
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index 012a4366a2ad..c7defe4ed1f6 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -9,6 +9,7 @@
*/
#include <linux/cpufeature.h>
+#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/pagewalk.h>
#include <linux/swap.h>
diff --git a/arch/s390/mm/gmap_helpers.c b/arch/s390/mm/gmap_helpers.c
index a45d417ad951..b63f427e7289 100644
--- a/arch/s390/mm/gmap_helpers.c
+++ b/arch/s390/mm/gmap_helpers.c
@@ -4,6 +4,8 @@
*
* Copyright IBM Corp. 2007, 2025
*/
+
+#include <linux/export.h>
#include <linux/mm_types.h>
#include <linux/mmap_lock.h>
#include <linux/mm.h>
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 074bf4fb4ce2..e4953453d254 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -142,7 +142,7 @@ bool force_dma_unencrypted(struct device *dev)
}
/* protected virtualization */
-static void pv_init(void)
+static void __init pv_init(void)
{
if (!is_prot_virt_guest())
return;
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 7df70cd8f739..50eb57c976bc 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -5,6 +5,7 @@
*/
#include <linux/cpufeature.h>
+#include <linux/export.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/errno.h>
@@ -334,7 +335,6 @@ pte_t ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr,
int nodat;
struct mm_struct *mm = vma->vm_mm;
- preempt_disable();
pgste = ptep_xchg_start(mm, addr, ptep);
nodat = !!(pgste_val(pgste) & _PGSTE_GPS_NODAT);
old = ptep_flush_lazy(mm, addr, ptep, nodat);
@@ -359,7 +359,6 @@ void ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr,
} else {
set_pte(ptep, pte);
}
- preempt_enable();
}
static inline void pmdp_idte_local(struct mm_struct *mm,