diff options
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/include/asm/pgtable.h | 15 | ||||
| -rw-r--r-- | arch/arc/include/asm/thread_info.h | 4 | ||||
| -rw-r--r-- | arch/arc/kernel/signal.c | 2 | ||||
| -rw-r--r-- | arch/arc/mm/fault.c | 2 |
4 files changed, 5 insertions, 18 deletions
diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h index 6b0b7f7ef783..ffed3b2cf313 100644 --- a/arch/arc/include/asm/pgtable.h +++ b/arch/arc/include/asm/pgtable.h @@ -61,7 +61,6 @@ #define _PAGE_WRITE (1<<4) /* Page has user write perm (H) */ #define _PAGE_READ (1<<5) /* Page has user read perm (H) */ #define _PAGE_MODIFIED (1<<6) /* Page modified (dirty) (S) */ -#define _PAGE_FILE (1<<7) /* page cache/ swap (S) */ #define _PAGE_GLOBAL (1<<8) /* Page is global (H) */ #define _PAGE_PRESENT (1<<10) /* TLB entry is valid (H) */ @@ -73,7 +72,6 @@ #define _PAGE_READ (1<<3) /* Page has user read perm (H) */ #define _PAGE_ACCESSED (1<<4) /* Page is accessed (S) */ #define _PAGE_MODIFIED (1<<5) /* Page modified (dirty) (S) */ -#define _PAGE_FILE (1<<6) /* page cache/ swap (S) */ #define _PAGE_GLOBAL (1<<8) /* Page is global (H) */ #define _PAGE_PRESENT (1<<9) /* TLB entry is valid (H) */ #define _PAGE_SHARED_CODE (1<<11) /* Shared Code page with cmn vaddr @@ -213,7 +211,7 @@ * No special requirements for lowest virtual address we permit any user space * mapping to be mapped at. */ -#define FIRST_USER_ADDRESS 0 +#define FIRST_USER_ADDRESS 0UL /**************************************************************** @@ -268,15 +266,6 @@ static inline void pmd_set(pmd_t *pmdp, pte_t *ptep) pte; \ }) -/* TBD: Non linear mapping stuff */ -static inline int pte_file(pte_t pte) -{ - return pte_val(pte) & _PAGE_FILE; -} - -#define PTE_FILE_MAX_BITS 30 -#define pgoff_to_pte(x) __pte(x) -#define pte_to_pgoff(x) (pte_val(x) >> 2) #define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT) #define pfn_pte(pfn, prot) (__pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))) #define __pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) @@ -364,7 +353,7 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, /* Encode swap {type,off} tuple into PTE * We reserve 13 bits for 5-bit @type, keeping bits 12-5 zero, ensuring that - * both PAGE_FILE and PAGE_PRESENT are zero in a PTE holding swap "identifier" + * PAGE_PRESENT is zero in a PTE holding swap "identifier" */ #define __swp_entry(type, off) ((swp_entry_t) { \ ((type) & 0x1f) | ((off) << 13) }) diff --git a/arch/arc/include/asm/thread_info.h b/arch/arc/include/asm/thread_info.h index 02bc5ec0fb2e..1163a1838ac1 100644 --- a/arch/arc/include/asm/thread_info.h +++ b/arch/arc/include/asm/thread_info.h @@ -46,7 +46,6 @@ struct thread_info { struct exec_domain *exec_domain;/* execution domain */ __u32 cpu; /* current CPU */ unsigned long thr_ptr; /* TLS ptr */ - struct restart_block restart_block; }; /* @@ -62,9 +61,6 @@ struct thread_info { .cpu = 0, \ .preempt_count = INIT_PREEMPT_COUNT, \ .addr_limit = KERNEL_DS, \ - .restart_block = { \ - .fn = do_no_restart_syscall, \ - }, \ } #define init_thread_info (init_thread_union.thread_info) diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c index cb3142a2d40b..114234e83caa 100644 --- a/arch/arc/kernel/signal.c +++ b/arch/arc/kernel/signal.c @@ -104,7 +104,7 @@ SYSCALL_DEFINE0(rt_sigreturn) struct pt_regs *regs = current_pt_regs(); /* Always make any pending restarted system calls return -EINTR */ - current_thread_info()->restart_block.fn = do_no_restart_syscall; + current->restart_block.fn = do_no_restart_syscall; /* Since we stacked the signal on a word boundary, * then 'sp' should be word aligned here. If it's diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c index 6f7e3a68803a..563cb27e37f5 100644 --- a/arch/arc/mm/fault.c +++ b/arch/arc/mm/fault.c @@ -161,6 +161,8 @@ good_area: if (fault & VM_FAULT_OOM) goto out_of_memory; + else if (fault & VM_FAULT_SIGSEGV) + goto bad_area; else if (fault & VM_FAULT_SIGBUS) goto do_sigbus; |