On Tue, Jan 29, 2019 at 04:32:09PM -0800, Todd Kjos wrote:
> On Tue, Jan 29, 2019 at 12:12 AM Dan Carpenter
> wrote:
> >
> > On Mon, Jan 28, 2019 at 04:49:28PM -0800, Todd Kjos wrote:
> > > +/**
> > > + * binder_alloc_copy_user_to_buffer() - copy src user to tgt user
> > > + * @alloc:
On Tue, Jan 29, 2019 at 12:12 AM Dan Carpenter wrote:
>
> On Mon, Jan 28, 2019 at 04:49:28PM -0800, Todd Kjos wrote:
> > +/**
> > + * binder_alloc_copy_user_to_buffer() - copy src user to tgt user
> > + * @alloc: binder_alloc for this proc
> > + * @buffer: binder buffer to be accessed
> > + *
On Mon, Jan 28, 2019 at 04:49:28PM -0800, Todd Kjos wrote:
> +/**
> + * binder_alloc_copy_user_to_buffer() - copy src user to tgt user
> + * @alloc: binder_alloc for this proc
> + * @buffer: binder buffer to be accessed
> + * @buffer_offset: offset into @buffer data
> + * @from: userspace pointer
The binder driver uses a vm_area to map the per-process
binder buffer space. For 32-bit android devices, this is
now taking too much vmalloc space. This patch removes
the use of vm_area when copying the transaction data
from the sender to the buffer space. Instead of using
copy_from_user() for
