Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 30 Oct 2000 10:07:48 -0800 (PST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        alpha@FreeBSD.org
Subject:   Re: Testers please..
Message-ID:  <XFMail.001030100748.jhb@FreeBSD.org>
In-Reply-To: <14844.20818.779470.967531@grasshopper.cs.duke.edu>

next in thread | previous in thread | raw e-mail | index | archive | help

On 29-Oct-00 Andrew Gallatin wrote:
> 
> John Baldwin writes:
>  > - I didn't actually pass the new-bus interrupt handler flags down
>  >   into alpha_platform_setup_intr(), so the MPSAFE flag would never
>  >   actually be set in the intrhand structures.
>  > - Partly as a result of the above, I didn't enforce exclusiveness
>  >   of interrupt vectors for INTR_EXCL interrupts.
> 
> What would the impact of this be on non-SMP systems, if any?

Fast interrupts (such as sio) should have a much smaller latency
as they are now run directly rather than waiting until their thread
is scheduled to run.
 
>  > The patch at http://www.FreeBSD.org/~jhb/patches/alpha.fast.patch
>  > should fix all this, but I don't have a workign sio to test it on,
>  > so I would appreciate some testing and feedback.  Thanks.
> 
> I'm now running it on my home miata, also w/o using sio, but it
> doesn't seem any less stable than it was..

Ok...

> Drew

-- 

John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-alpha" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?XFMail.001030100748.jhb>