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Date: Wed, 15 May 2002 10:13:29 -0500
From: Tommy Reynolds <reynolds@redhat.com>
To: "Joe deBlaquiere" <jadb@redhat.com>
Cc: Jack.Bloch@icn.siemens.com, linux-kernel@vger.kernel.org
Subject: Re: Device driver question
Message-Id: <20020515101329.6e609f33.reynolds@redhat.com>
In-Reply-To: <1021474990.1450.56.camel@uberdog>
Organization: Red Hat Software, Inc. / Embedded Development
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Uttered "Joe deBlaquiere" <jadb@redhat.com>, spoke thus:

>  How about just write a driver that responds to the interrupt, and write
>  a program that does a blocking read from the driver. The driver read
>  routine stuff the program on a wait queue... until... interrupt occurs,
>  wake up the program, program does exec(/sbin/halt) ?

Yup, that could work too. (Classic see-interrupt-from-user-space solution)  It
all depends on how urgently his embedded system needs to reboot.  Choices abound
for rebooting: the hard part is not rebooting until you want to reboot.
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