On Thu, May 02, 2019 at 11:28:40AM +0300, Gal Pressman wrote:
> On 01-May-19 19:40, Jason Gunthorpe wrote:
> > On Wed, May 01, 2019 at 01:48:22PM +0300, Gal Pressman wrote:
> >
> >> +int efa_mmap(struct ib_ucontext *ibucontext,
> >> + struct vm_area_struct *vma)
> >> +{
> >> + struct efa_ucontext *ucontext = to_eucontext(ibucontext);
> >> + struct efa_dev *dev = to_edev(ibucontext->device);
> >> + u64 length = vma->vm_end - vma->vm_start;
> >> + u64 key = vma->vm_pgoff << PAGE_SHIFT;
> >> + struct efa_mmap_entry *entry;
> >> +
> >> + ibdev_dbg(&dev->ibdev,
> >> + "start %#lx, end %#lx, length = %#llx, key = %#llx\n",
> >> + vma->vm_start, vma->vm_end, length, key);
> >> +
> >> + if (length % PAGE_SIZE != 0 || !(vma->vm_flags & VM_SHARED)) {
> >> + ibdev_dbg(&dev->ibdev,
> >> + "length[%#llx] is not page size aligned[%#lx] or VM_SHARED is not set [%#lx]\n",
> >> + length, PAGE_SIZE, vma->vm_flags);
> >> + return -EINVAL;
> >> + }
> >> +
> >> + if (vma->vm_flags & VM_EXEC) {
> >> + ibdev_dbg(&dev->ibdev, "Mapping executable pages is not permitted\n");
> >> + return -EPERM;
> >> + }
> >> + vma->vm_flags &= ~VM_MAYEXEC;
> >
> > Also we dropped the MAYEXEC stuff
>
> Latest commit that had any MAYEXEC changes is 4eb6ab13b991 ("RDMA: Remove
> rdma_user_mmap_page"), where MAYEXEC is added not removed.
> Am I missing a followup patch?
I'm not aware of any.
Thanks
