diff options
Diffstat (limited to 'arch/s390/mm/fault.c')
| -rw-r--r-- | arch/s390/mm/fault.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 3f3b35403d0a..a2b81d6ce8a5 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -442,18 +442,15 @@ static inline int do_exception(struct pt_regs *regs, int access) down_read(&mm->mmap_sem); #ifdef CONFIG_PGSTE - gmap = (struct gmap *) - ((current->flags & PF_VCPU) ? S390_lowcore.gmap : 0); + gmap = (current->flags & PF_VCPU) ? + (struct gmap *) S390_lowcore.gmap : NULL; if (gmap) { - address = __gmap_fault(address, gmap); + current->thread.gmap_addr = address; + address = __gmap_translate(gmap, address); if (address == -EFAULT) { fault = VM_FAULT_BADMAP; goto out_up; } - if (address == -ENOMEM) { - fault = VM_FAULT_OOM; - goto out_up; - } if (gmap->pfault_enabled) flags |= FAULT_FLAG_RETRY_NOWAIT; } @@ -530,6 +527,20 @@ retry: goto retry; } } +#ifdef CONFIG_PGSTE + if (gmap) { + address = __gmap_link(gmap, current->thread.gmap_addr, + address); + if (address == -EFAULT) { + fault = VM_FAULT_BADMAP; + goto out_up; + } + if (address == -ENOMEM) { + fault = VM_FAULT_OOM; + goto out_up; + } + } +#endif fault = 0; out_up: up_read(&mm->mmap_sem); |