From: Mike Fedyk <mfedyk@matchmail.com>
To: Robert Love <rml@tech9.net>
Cc: McEnroe <mcensamuel@yahoo.com>, linux-kernel@vger.kernel.org
Subject: Re: interrupt ?
Date: Thu, 29 Nov 2001 13:03:42 -0800 [thread overview]
Message-ID: <20011129130342.B496@mikef-linux.matchmail.com> (raw)
In-Reply-To: <3C043B11.2FA17A19@pobox.com> <3C05B561.75F210C7@pobox.com> <001601c17873$c664ee00$8b64a8c0@PREM> <1007053658.813.17.camel@phantasy>
In-Reply-To: <1007053658.813.17.camel@phantasy>
On Thu, Nov 29, 2001 at 12:07:37PM -0500, Robert Love wrote:
> On Wed, 2001-11-28 at 20:18, McEnroe wrote:
>
> > what is fast and slow interrupt ?
> > what is the difference between this ?
>
> fast interrupts occur with interrupts disabled, and are expected to be
> completed quickly -- they are performed by the interrupt handlers
> themselves.
>
> a slow interrupt occurs with interrupts enabled, such as bottom half
> tasks.
>
IIRC, bottom half is mostly used by network packet processing.
prev parent reply other threads:[~2001-11-29 21:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-28 1:17 heads-up: preempt kernel and tux NO-GO J Sloan
2001-11-28 2:12 ` Oliver Xymoron
2001-11-28 2:23 ` J Sloan
2001-11-28 2:30 ` Andrew Morton
2001-11-28 4:27 ` Robert Love
2001-11-29 4:11 ` data point: tux and low-latency patches OK J Sloan
2001-11-29 1:18 ` interrupt ? McEnroe
2001-11-29 17:07 ` Robert Love
2001-11-29 21:03 ` Mike Fedyk [this message]
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