Re: [PATCH v4 06/12] fs/pipe.c: export create_pipe_files() and replace_fd()

From: Jarkko Sakkinen
Date: Fri Oct 20 2017 - 06:15:11 EST


On Thu, Oct 19, 2017 at 07:55:34AM -0700, Christoph Hellwig wrote:
> On Thu, Oct 19, 2017 at 03:36:16PM +0300, Jarkko Sakkinen wrote:
> > On Thu, Oct 19, 2017 at 01:06:17AM -0700, Christoph Hellwig wrote:
> > > On Mon, Oct 16, 2017 at 10:18:49PM +0300, Jarkko Sakkinen wrote:
> > > > Export create_pipe_files() and replace_fd() so that the SGX driver is
> > > > able to create stdin and stdout pipes.
> > >
> > > Err, no way.
> >
> > What would be a better alternative?
>
> Don't abuse pipes for your interface.

coredump uses pipes in a similar way. Maybe you could elaborate a bit
why this is abusing? That could help me to find something more
acceptable.

The only reasonable alternative that comes into mind would be netlink
socket.

/Jarkko