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Diffstat (limited to 'arch/s390/mm/fault.c')
-rw-r--r--arch/s390/mm/fault.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 2082323e2e59..f0fa51af8f5b 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -433,7 +433,7 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access)
flags |= FAULT_FLAG_USER;
if (access == VM_WRITE || (trans_exc_code & store_indication) == 0x400)
flags |= FAULT_FLAG_WRITE;
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
gmap = NULL;
if (IS_ENABLED(CONFIG_PGSTE) && type == GMAP_FAULT) {
@@ -514,7 +514,7 @@ retry:
}
flags &= ~FAULT_FLAG_RETRY_NOWAIT;
flags |= FAULT_FLAG_TRIED;
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
goto retry;
}
}
@@ -532,7 +532,7 @@ retry:
}
fault = 0;
out_up:
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
out:
return fault;
}
@@ -824,22 +824,22 @@ void do_secure_storage_access(struct pt_regs *regs)
switch (get_fault_type(regs)) {
case USER_FAULT:
mm = current->mm;
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
vma = find_vma(mm, addr);
if (!vma) {
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
do_fault_error(regs, VM_READ | VM_WRITE, VM_FAULT_BADMAP);
break;
}
page = follow_page(vma, addr, FOLL_WRITE | FOLL_GET);
if (IS_ERR_OR_NULL(page)) {
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
break;
}
if (arch_make_page_accessible(page))
send_sig(SIGSEGV, current, 0);
put_page(page);
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
break;
case KERNEL_FAULT:
page = phys_to_page(addr);