diff options
author | Eric Paris <eparis@redhat.com> | 2013-11-22 18:57:08 -0500 |
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committer | Eric Paris <eparis@redhat.com> | 2013-11-22 18:57:54 -0500 |
commit | fc582aef7dcc27a7120cf232c1e76c569c7b6eab (patch) | |
tree | 7d275dd4ceab6067b91e9a25a5f6338b425fbccd /arch/m32r/mm/fault.c | |
parent | 9175c9d2aed528800175ef81c90569d00d23f9be (diff) | |
parent | 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 (diff) |
Merge tag 'v3.12'
Linux 3.12
Conflicts:
fs/exec.c
Diffstat (limited to 'arch/m32r/mm/fault.c')
-rw-r--r-- | arch/m32r/mm/fault.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c index 3cdfa9c1d091..e9c6a8014bd6 100644 --- a/arch/m32r/mm/fault.c +++ b/arch/m32r/mm/fault.c @@ -78,7 +78,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code, struct mm_struct *mm; struct vm_area_struct * vma; unsigned long page, addr; - int write; + unsigned long flags = 0; int fault; siginfo_t info; @@ -117,6 +117,9 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code, if (in_atomic() || !mm) goto bad_area_nosemaphore; + if (error_code & ACE_USERMODE) + flags |= FAULT_FLAG_USER; + /* When running in the kernel we expect faults to occur only to * addresses in user space. All other faults represent errors in the * kernel and should generate an OOPS. Unfortunately, in the case of an @@ -166,14 +169,13 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code, */ good_area: info.si_code = SEGV_ACCERR; - write = 0; switch (error_code & (ACE_WRITE|ACE_PROTECTION)) { default: /* 3: write, present */ /* fall through */ case ACE_WRITE: /* write, not present */ if (!(vma->vm_flags & VM_WRITE)) goto bad_area; - write++; + flags |= FAULT_FLAG_WRITE; break; case ACE_PROTECTION: /* read, present */ case 0: /* read, not present */ @@ -194,7 +196,7 @@ good_area: */ addr = (address & PAGE_MASK); set_thread_fault_code(error_code); - fault = handle_mm_fault(mm, vma, addr, write ? FAULT_FLAG_WRITE : 0); + fault = handle_mm_fault(mm, vma, addr, flags); if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; |