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Date:      Mon, 21 Oct 2002 23:36:02 -0700
From:      Terry Lambert <tlambert2@mindspring.com>
To:        "M. Warner Losh" <imp@bsdimp.com>
Cc:        rizzo@icir.org, dchrist@cox.net, hackers@FreeBSD.ORG
Subject:   Re: Scheduling a recurring task in a device driver
Message-ID:  <3DB4F1D2.81B791AE@mindspring.com>
References:  <B1154A80CE56844B9EA4F77FAD2BA951F7EF@hobbes.drc.dhs.org> <20021021092312.D18652@carp.icir.org> <20021021.231850.121892484.imp@bsdimp.com>

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"M. Warner Losh" wrote:
> In message: <20021021092312.D18652@carp.icir.org>
>             Luigi Rizzo <rizzo@icir.org> writes:
> : a timeout() call will do (at most once per tick). grep for "timeout("
> : in most of device drivers to see how to use it.
> 
> Also, A software interrupt would be good too, depending on the nature
> of the recurring event.

I considered suggesting this, but you are right about needing to
know more about the frequency and other requirements of the hardware
bug they are working around, before a useful suggestion is possible.

-- Terry

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