On Wed, Aug 28, 2019 at 08:57:19AM +0530, Souptick Joarder wrote:
> On Tue, Aug 27, 2019 at 9:19 PM Jason Gunthorpe wrote:
> >
> > On Tue, Aug 27, 2019 at 01:48:57AM +0530, Souptick Joarder wrote:
> > > On Mon, Aug 26, 2019 at 5:50 PM Jason Gunthorpe wrote:
> > > >
> > > > On Mon, Aug 26, 2019 at
On Tue, Aug 27, 2019 at 9:19 PM Jason Gunthorpe wrote:
>
> On Tue, Aug 27, 2019 at 01:48:57AM +0530, Souptick Joarder wrote:
> > On Mon, Aug 26, 2019 at 5:50 PM Jason Gunthorpe wrote:
> > >
> > > On Mon, Aug 26, 2019 at 01:32:09AM +0530, Souptick Joarder wrote:
> > > > On Mon, Aug 26, 2019 at 1:1
On Tue, Aug 27, 2019 at 01:48:57AM +0530, Souptick Joarder wrote:
> On Mon, Aug 26, 2019 at 5:50 PM Jason Gunthorpe wrote:
> >
> > On Mon, Aug 26, 2019 at 01:32:09AM +0530, Souptick Joarder wrote:
> > > On Mon, Aug 26, 2019 at 1:13 AM Jason Gunthorpe wrote:
> > > >
> > > > On Sun, Aug 25, 2019 at
On Mon, Aug 26, 2019 at 5:50 PM Jason Gunthorpe wrote:
>
> On Mon, Aug 26, 2019 at 01:32:09AM +0530, Souptick Joarder wrote:
> > On Mon, Aug 26, 2019 at 1:13 AM Jason Gunthorpe wrote:
> > >
> > > On Sun, Aug 25, 2019 at 11:37:27AM +0530, Souptick Joarder wrote:
> > > > First, length passed to mma
On Mon, Aug 26, 2019 at 01:32:09AM +0530, Souptick Joarder wrote:
> On Mon, Aug 26, 2019 at 1:13 AM Jason Gunthorpe wrote:
> >
> > On Sun, Aug 25, 2019 at 11:37:27AM +0530, Souptick Joarder wrote:
> > > First, length passed to mmap is checked explicitly against
> > > PAGE_SIZE.
> > >
> > > Second,
On Mon, Aug 26, 2019 at 1:13 AM Jason Gunthorpe wrote:
>
> On Sun, Aug 25, 2019 at 11:37:27AM +0530, Souptick Joarder wrote:
> > First, length passed to mmap is checked explicitly against
> > PAGE_SIZE.
> >
> > Second, if vma->vm_pgoff is passed as non zero, it would return
> > error. It appears l
On Sun, Aug 25, 2019 at 11:37:27AM +0530, Souptick Joarder wrote:
> First, length passed to mmap is checked explicitly against
> PAGE_SIZE.
>
> Second, if vma->vm_pgoff is passed as non zero, it would return
> error. It appears like driver is expecting vma->vm_pgoff to
> be passed as 0 always.
?
First, length passed to mmap is checked explicitly against
PAGE_SIZE.
Second, if vma->vm_pgoff is passed as non zero, it would return
error. It appears like driver is expecting vma->vm_pgoff to
be passed as 0 always. otherwise throw error (not sure if done
with a particular purpose). Rather driver
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