diff options
Diffstat (limited to 'arch/s390/mm/fault.c')
| -rw-r--r-- | arch/s390/mm/fault.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 09bf7f2121ac..dedc28be27ab 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -45,11 +45,11 @@ #define __SUBCODE_MASK 0x0600 #define __PF_RES_FIELD 0x8000000000000000ULL -#define VM_FAULT_BADCONTEXT 0x010000 -#define VM_FAULT_BADMAP 0x020000 -#define VM_FAULT_BADACCESS 0x040000 -#define VM_FAULT_SIGNAL 0x080000 -#define VM_FAULT_PFAULT 0x100000 +#define VM_FAULT_BADCONTEXT ((__force vm_fault_t) 0x010000) +#define VM_FAULT_BADMAP ((__force vm_fault_t) 0x020000) +#define VM_FAULT_BADACCESS ((__force vm_fault_t) 0x040000) +#define VM_FAULT_SIGNAL ((__force vm_fault_t) 0x080000) +#define VM_FAULT_PFAULT ((__force vm_fault_t) 0x100000) enum fault_type { KERNEL_FAULT, @@ -123,7 +123,7 @@ static void dump_pagetable(unsigned long asce, unsigned long address) if (*table & _REGION_ENTRY_INVALID) goto out; table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - /* fallthrough */ + fallthrough; case _ASCE_TYPE_REGION2: table += (address & _REGION2_INDEX) >> _REGION2_SHIFT; if (bad_address(table)) @@ -132,7 +132,7 @@ static void dump_pagetable(unsigned long asce, unsigned long address) if (*table & _REGION_ENTRY_INVALID) goto out; table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - /* fallthrough */ + fallthrough; case _ASCE_TYPE_REGION3: table += (address & _REGION3_INDEX) >> _REGION3_SHIFT; if (bad_address(table)) @@ -141,7 +141,7 @@ static void dump_pagetable(unsigned long asce, unsigned long address) if (*table & (_REGION_ENTRY_INVALID | _REGION3_ENTRY_LARGE)) goto out; table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - /* fallthrough */ + fallthrough; case _ASCE_TYPE_SEGMENT: table += (address & _SEGMENT_INDEX) >> _SEGMENT_SHIFT; if (bad_address(table)) @@ -328,7 +328,7 @@ static noinline void do_fault_error(struct pt_regs *regs, int access, case VM_FAULT_BADACCESS: if (access == VM_EXEC && signal_return(regs) == 0) break; - /* fallthrough */ + fallthrough; case VM_FAULT_BADMAP: /* Bad memory access. Check if it is kernel or user space. */ if (user_mode(regs)) { @@ -338,9 +338,8 @@ static noinline void do_fault_error(struct pt_regs *regs, int access, do_sigsegv(regs, si_code); break; } - /* fallthrough */ + fallthrough; case VM_FAULT_BADCONTEXT: - /* fallthrough */ case VM_FAULT_PFAULT: do_no_context(regs); break; @@ -581,7 +580,7 @@ void do_dat_exception(struct pt_regs *regs) int access; vm_fault_t fault; - access = VM_READ | VM_EXEC | VM_WRITE; + access = VM_ACCESS_FLAGS; fault = do_exception(regs, access); if (unlikely(fault)) do_fault_error(regs, access, fault); @@ -853,9 +852,7 @@ void do_secure_storage_access(struct pt_regs *regs) BUG(); break; case VDSO_FAULT: - /* fallthrough */ case GMAP_FAULT: - /* fallthrough */ default: do_fault_error(regs, VM_READ | VM_WRITE, VM_FAULT_BADMAP); WARN_ON_ONCE(1); |