Re: Reminder: non-mpsafetty drivers to be connected on Sunday

From: Poul-Henning Kamp <phk_at_phk.freebsd.dk>
Date: Fri, 01 Aug 2008 13:46:52 +0000
In message <200808010901.39545.jhb_at_freebsd.org>, John Baldwin writes:
>On Friday 01 August 2008 08:53:18 am Poul-Henning Kamp wrote:

>> 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.

First there are close to 10 years of difference in how relevant
serial ports and ethernet interfaces are.

Second, I think we could have saved if we had done just that :-)

Poul-Henning

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk_at_FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
Received on Fri Aug 01 2008 - 11:46:54 UTC

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