[PATCH] UBUNTU: SAUCE: fix get_gate_vma call in i386 NX emulation code
Herton Ronaldo Krzesinski
herton.krzesinski at canonical.com
Tue Jun 5 20:41:13 UTC 2012
On Tue, Jun 05, 2012 at 05:29:33PM -0300, Herton Ronaldo Krzesinski wrote:
> Since commit 31db58b3 ("mm: arch: make get_gate_vma take an mm_struct
> instead of a task_struct"), that went in linux 2.6.39, get_gate_vma is
> expected to take an struct mm_struct pointer as its parameter. But
> get_gate_vma in i386 NX emulation code patch is still using the old way,
> fix it.
Forgot to add in the subject, this is an SRU for Precise and Oneiric.
>
> BugLink: http://bugs.launchpad.net/bugs/1009200
> Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski at canonical.com>
> ---
> arch/x86/kernel/traps.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
> index f463b43..f7c210d 100644
> --- a/arch/x86/kernel/traps.c
> +++ b/arch/x86/kernel/traps.c
> @@ -142,7 +142,7 @@ check_lazy_exec_limit(int cpu, struct pt_regs *regs, long error_code)
> for (vma = current->mm->mmap; vma; vma = vma->vm_next)
> if ((vma->vm_flags & VM_EXEC) && (vma->vm_end > limit))
> limit = vma->vm_end;
> - vma = get_gate_vma(current);
> + vma = get_gate_vma(current->mm);
> if (vma && (vma->vm_flags & VM_EXEC) && (vma->vm_end > limit))
> limit = vma->vm_end;
> spin_unlock(¤t->mm->page_table_lock);
> --
> 1.7.9.5
>
>
> --
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
>
--
[]'s
Herton
More information about the kernel-team
mailing list