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Re: operating systems design

From Jeroen Belleman <jeroen@nospam.please>
Newsgroups comp.os.linux.misc
Subject Re: operating systems design
Date 2015-01-30 15:43 +0100
Organization Aioe.org NNTP Server
Message-ID <mag5a5$389$1@speranza.aioe.org> (permalink)
References <maeb6o$sn9$1@reader1.panix.com> <maec7d$16g$2@dont-email.me> <mag0d5$2ob$1@reader1.panix.com> <SeOdnUMBZdqKDVbJnZ2dnUU7-d2dnZ2d@giganews.com>

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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.

Jeroen Belleman

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Thread

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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