From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Theodore Y. Ts'o" Subject: Re: Insanely high baud rates Date: Thu, 11 Oct 2018 17:40:35 -0400 Message-ID: <20181011214035.GC565@thunk.org> References: <3fcef1c1-d746-ae82-c0e6-f079b1a53ffb@zytor.com> <20181010211717.30c1f052@alans-desktop> <16D6AB22-697E-498C-A5B2-3AD90B567E86@zytor.com> <20181011133134.085624af@alans-desktop> <8A583BC1-A295-48D2-B4C3-3E70AA50D035@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <8A583BC1-A295-48D2-B4C3-3E70AA50D035@zytor.com> Sender: linux-kernel-owner@vger.kernel.org To: hpa@zytor.com Cc: Alan Cox , linux-serial@vger.kernel.org, Linux Kernel Mailing List , Greg Kroah-Hartman , Jiri Slaby , Johan Hovold , Alexander Viro List-Id: linux-serial@vger.kernel.org On Thu, Oct 11, 2018 at 07:14:30AM -0700, hpa@zytor.com wrote: > > > >I mean - what is the baud rate of a pty ? > > Whatever the master wants it to be... I think Alan's point is that it is highly unlikely you would be able to push the equivalent of 4 gbps through a PTY layer. The TTY later was never engineered for those speeds, and the real question is --- what's the point? That's what Ethernet is for. - Ted