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Groups > comp.os.linux.misc > #13511
| From | Robert Heller <heller@deepsoft.com> |
|---|---|
| Organization | Deepwoods Software |
| Subject | Re: operating systems design |
| References | <maeb6o$sn9$1@reader1.panix.com> <maec7d$16g$2@dont-email.me> <mag0d5$2ob$1@reader1.panix.com> <SeOdnUMBZdqKDVbJnZ2dnUU7-d2dnZ2d@giganews.com> <mag5a5$389$1@speranza.aioe.org> |
| Newsgroups | comp.os.linux.misc |
| Message-ID | <g4WdnT8O2vc1A1bJnZ2dnUU7-cudnZ2d@giganews.com> (permalink) |
| Date | 2015-01-30 09:09 -0600 |
At Fri, 30 Jan 2015 15:43:18 +0100 Jeroen Belleman <jeroen@nospam.please> wrote:
>
> On 2015-01-30 15:07, Robert Heller wrote:
> > At Fri, 30 Jan 2015 08:19:33 -0500 ruben safir <ruben@mrbrklyn.com> wrote:
> >
> >>
> >> On 01/29/2015 05:29 PM, Rich wrote:
> >>> ruben safir <ruben@mrbrklyn.com> wrote:
> >>>> I'm wondering if anyone has a background in operating system design.
> >>>> I'm taking a class is OS's and the text is
> >>>
> >>>> OPERATING
> >>>> SYSTEM
> >>>> CONCEPTS
> >>>> ABRAHAM SILBERSCHATZ
> >>>> 9th edition, and it says something that is puzzling me
> >>>
> >>>
> >>>
> >>>> "Interrupts are an important part of a computer architecture. [...]
>
> > 'Interupt Controller' gives each device a priority and if the current priority
> > is higher than the device in question, its interupt is ignored (discarded) and
> > the CPU never sees it.
> >
>
> Now that would lead to chaos. Lower priority interrupts are
> not just discarded. They are served after higher priority
> interrupts have been dealt with.
It actually depends on the Interupt Controller and how it is configured. In
some cases, the device can queue up data and can be polled later (and such
devices will keep sending interrupts until it is serviced).
>
> Jeroen Belleman
>
>
--
Robert Heller -- 978-544-6933
Deepwoods Software -- Custom Software Services
http://www.deepsoft.com/ -- Linux Administration Services
heller@deepsoft.com -- Webhosting Services
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operating systems design ruben safir <ruben@mrbrklyn.com> - 2015-01-29 17:11 -0500
Re: operating systems design Rich <rich@example.invalid> - 2015-01-29 22:29 +0000
Re: operating systems design ruben safir <ruben@mrbrklyn.com> - 2015-01-30 08:19 -0500
Re: operating systems design "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2015-01-30 09:01 -0500
Re: operating systems design Robert Heller <heller@deepsoft.com> - 2015-01-30 08:07 -0600
Re: operating systems design Jeroen Belleman <jeroen@nospam.please> - 2015-01-30 15:43 +0100
Re: operating systems design Robert Heller <heller@deepsoft.com> - 2015-01-30 09:09 -0600
Re: operating systems design Rich <rich@example.invalid> - 2015-01-30 15:21 +0000
Re: operating systems design Robert Heller <heller@deepsoft.com> - 2015-01-30 11:27 -0600
Re: operating systems design Rich <rich@example.invalid> - 2015-01-30 19:10 +0000
Re: operating systems design Jean-David Beyer <jeandavid8@verizon.net> - 2015-02-02 08:29 -0500
Re: operating systems design Rich <rich@example.invalid> - 2015-02-02 15:09 +0000
Re: operating systems design The Natural Philosopher <tnp@invalid.invalid> - 2015-02-03 00:11 +0000
Re: operating systems design Jeroen Belleman <jeroen@nospam.please> - 2015-01-30 09:28 +0100
Re: operating systems design The Natural Philosopher <tnp@invalid.invalid> - 2015-02-03 00:08 +0000
Re: operating systems design Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-02-03 20:52 +0000
Re: operating systems design The Natural Philosopher <tnp@invalid.invalid> - 2015-02-03 21:06 +0000
Re: operating systems design Rich <rich@example.invalid> - 2015-02-03 21:19 +0000
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