Re: interrupt ?

Mike Fedyk (mfedyk@matchmail.com)
Thu, 29 Nov 2001 13:03:42 -0800


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.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/