diff options
Diffstat (limited to 'arch/s390/mm/fault.c')
| -rw-r--r-- | arch/s390/mm/fault.c | 14 |
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); |