diff options
| author |   José Pekkarinen <jose.pekkarinen@nokia.com> | 2015-10-09 08:42:44 +0300 |
|---|---|---|
| committer | José Pekkarinen <jose.pekkarinen@nokia.com> | 2015-10-09 08:52:35 +0300 |
| commit | fdb8b20906f3546ba6c2f9f0686d8a5189516ba3 (patch) | |
| tree | 6bb43dc8a42d6e9403763bc749f706939dd2bc60 /kernel/arch/x86/mm/mpx.c | |
| parent | cc84a1f21026270463b580f2564f9d71912b20db (diff) | |
Kernel bump from 4.1.3-rt to 4.1.7-rt.
These changes brings a vanilla kernel from kernel.org, and the patch
applied for rt is patch-4.1.7-rt8.patch. No further changes needed.
Change-Id: Id8dd03c2ddd971e4d1d69b905f3069737053b700
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/arch/x86/mm/mpx.c')
| -rw-r--r-- | kernel/arch/x86/mm/mpx.c | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/kernel/arch/x86/mm/mpx.c b/kernel/arch/x86/mm/mpx.c index c439ec478..4d1c11c07 100644 --- a/kernel/arch/x86/mm/mpx.c +++ b/kernel/arch/x86/mm/mpx.c @@ -18,26 +18,9 @@ #include <asm/processor.h> #include <asm/fpu-internal.h> -static const char *mpx_mapping_name(struct vm_area_struct *vma) -{ - return "[mpx]"; -} - -static struct vm_operations_struct mpx_vma_ops = { - .name = mpx_mapping_name, -}; - -static int is_mpx_vma(struct vm_area_struct *vma) -{ - return (vma->vm_ops == &mpx_vma_ops); -} - /* * This is really a simplified "vm_mmap". it only handles MPX * bounds tables (the bounds directory is user-allocated). - * - * Later on, we use the vma->vm_ops to uniquely identify these - * VMAs. */ static unsigned long mpx_mmap(unsigned long len) { @@ -83,7 +66,6 @@ static unsigned long mpx_mmap(unsigned long len) ret = -ENOMEM; goto out; } - vma->vm_ops = &mpx_vma_ops; if (vm_flags & VM_LOCKED) { up_write(&mm->mmap_sem); @@ -661,7 +643,7 @@ static int zap_bt_entries(struct mm_struct *mm, * so stop immediately and return an error. This * probably results in a SIGSEGV. */ - if (!is_mpx_vma(vma)) + if (!(vma->vm_flags & VM_MPX)) return -EINVAL; len = min(vma->vm_end, end) - addr; |