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Re: Ctrl-c interrupt priority
- From: Nick Garnett <nickg at ecoscentric dot com>
- To: "Enrico Piria" <epiria at libero dot it>
- Cc: "ecos-discuss" <ecos-discuss at sourceware dot org>
- Date: 27 Apr 2005 11:27:37 +0100
- Subject: Re: [ECOS] Ctrl-c interrupt priority
- References: <IFLL0L$7410177DAC424637E61C50515D58E430@libero.it>
"Enrico Piria" <epiria@libero.it> writes:
> Hello.
>
> On architectures supporting interrupt priority levels, at which
> priority should the Ctrl-c ISR (the one used to bring up GDB stub)
> be run, and why?
I don't think it matters very much. Making it high priority would
allow it to preempt any other interrupts. But to be honest, if you
have so many lower priority interrupts firing that this actually makes
a difference, then you probably have something seriously wrong
somewhere.
--
Nick Garnett eCos Kernel Architect
http://www.ecoscentric.com The eCos and RedBoot experts
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