PCI SIO devices hog interrupts, cause lock order problems

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Aug 30 12:32:52 PDT 2004

In message <20040830192316.6B6CD12351 at shub-internet.kew.com>, Drew Derbyshire w

>> puc should be in GENERIC, imho.

I agree.

>Who makes the call (or the commit)?  The cost is ~ 55K on disk
>(which seems excessive) with current build, I assume that's bloated
>by the current kernel options.

This could be vastly improved if the data structure puc uses were
more intelligent.  Man cards could be described simply by their
PCI ID and "fill resource #1 with sio ports" rather than the very
space consuming and errorprone stuff we do now.

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.

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