From: mandy london <laborious.bee@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: the difference between irq save and the irq disable ?
Date: Mon, 5 Sep 2005 21:33:59 +0800 [thread overview]
Message-ID: <907421f905090506337ba17394@mail.gmail.com> (raw)
in my mind, irq save only store the conditions of that time , and the
following code can access the shared region and change it ,so modify
irq states .
while , disable irq keeps the states of interrupt unchangable .
but , I have no knowlege of the difference between code in irq save
and irq restore and in irq disable and irq enable ?
whethe the former can be interrupted and the later not ? only this ?
next reply other threads:[~2005-09-05 13:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-05 13:33 mandy london [this message]
2005-09-06 6:47 ` the difference between irq save and the irq disable ? Tushar Adeshara
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