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From: Timur Tabi <ttabi@interactivesi.com>
To: "Nirranjan.K" <nirran@sasken.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Bottom halves, task queues invokation
Date: Mon, 24 Sep 2001 13:03:19 -0500	[thread overview]
Message-ID: <3BAF7567.7030700@interactivesi.com> (raw)
In-Reply-To: <9ok0mr$f4q$1@ncc-k.sasi.com>

Nirranjan.K wrote:

> In case of
> 
> kernel thread is running on behalf of user process. In meantime a timer
> interrupt arrives(slow interrupt). Now after end of timer interrupt are
> Bottom halves, task queues invoked ? (offcourse Scheduler is not invoked as
> kernel is not pre emptive)


I'm not sure I understand your question, but bottom halves and tasklets do not 
pre-empt the kernel.  So if a timer interrupts the kernel, and the timer 
handler schedules a tasklet, then after the timer handler exists, AND after 
the kernel exists, that's when the tasklet is run.


      reply	other threads:[~2001-09-24 18:03 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-09-23  6:45 Bottom halves, task queues invokation Nirranjan.K
2001-09-24 18:03 ` Timur Tabi [this message]

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