[Hardeneddrivers-discuss] RE: [cgl_discussion] Some Initial Comments on DDH-Spec-0.5h.pdf
pavel at suse.cz
Sun Sep 29 23:40:40 PDT 2002
> > Most of what makes a 'good' driver is common for all purposes - things you
> > mention like don't make the system hang, don't cause fatal exceptions. But
> > there are some things that would be different between a desktop, embedded
> > system, enterprise server, or carrier server. For instance, when there is a
> > tradeoff between reliability and performance; when reliability is king, it
> > might be wise to do an insane amount of parameter checking to offset the
> > merest chance of an undetected bug crashing a system.
> This is not a valid example. We do not make tradeoffs between
> performance and reliability. Reliability _always_ comes first. If it
> did not, it's a bug.
No. We do run all drivers in *one* addressspace. That's bad for reliability.
Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
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