Reminder: non-mpsafetty drivers to be connected on Sunday
John Baldwin
jhb at freebsd.org
Fri Aug 1 13:13:44 UTC 2008
On Friday 01 August 2008 08:53:18 am Poul-Henning Kamp wrote:
> In message <20080801124845.GZ1359 at server.vk2pj.dyndns.org>, Peter Jeremy
> writes
>
> >On 2008-Aug-01 13:40:53 +0200, Ed Schouten <ed at 80386.nl> wrote:
> >>One of the most important things I forgot to mention: I've attached the
> >>patch I'm going to commit. Comments on the patch are very welcome!
> >
> >This patch just disconnects the majority of the serial drivers from
> >the build. Whilst I support the aim of making the TTY subsystem
> >MPSAFE, as I've previously stated, IMO, just disconnecting everything
> >is not the way forward.
>
> I got a syntax error on this email Peter, didn't you mean to write:
>
> "Great work Ed, let me send you some patches"
>
>
> A MPSAFE tty subsystem is infinitely more important than any particular
> non-console tty driver.
>
> If FreeBSD should have digi(4) support in the future somebody should
> spend some quality with the driver, instead of stopping Ed from
> making much necessary progress.
On the other hand, we didn't throw out half the NIC drivers when we did the
MPSAFE network stack locking either, we allowed for a transition that gave
time for individual drivers to be locked.
--
John Baldwin
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