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Re: use of preempt_count instead of in_atomic() at leds-gpio.c

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From: David Brownell <david-b@...>
To: Henrique de Moraes Holschuh <hmh@...>
Cc: Richard Purdie <rpurdie@...>, <linux-kernel@...>
Subject: Re: use of preempt_count instead of in_atomic() at leds-gpio.c
Date: Sunday, March 16, 2008 - 3:46 pm

On Sunday 16 March 2008, Henrique de Moraes Holschuh wrote:

At this point, I don't know of any such reason.

I remember hunting for the right heuristic, and settling on
that one for reasons that I can't recall now.  They may even
be no longer applicable.
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Messages in current thread:
use of preempt_count instead of in_atomic() at leds-gpio.c, Henrique de Moraes Holschuh..., (Sun Mar 16, 2:43 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, David Brownell, (Sun Mar 16, 3:46 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Andrew Morton, (Tue Mar 18, 3:14 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Henrique de Moraes Holschuh..., (Thu Mar 20, 6:56 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Andrew Morton, (Thu Mar 20, 7:47 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Richard Purdie, (Thu Mar 20, 8:56 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Henrique de Moraes Holschuh..., (Thu Mar 20, 10:10 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Henrique de Moraes Holschuh..., (Thu Mar 20, 8:36 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Andrew Morton, (Thu Mar 20, 9:08 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, David Brownell, (Fri Mar 21, 1:04 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Stefan Richter, (Fri Mar 21, 5:21 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Henrique de Moraes Holschuh..., (Fri Mar 21, 8:37 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Stefan Richter, (Fri Mar 21, 9:16 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Stefan Richter, (Sat Mar 22, 7:29 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Stefan Richter, (Fri Mar 21, 5:27 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Alan Stern, (Thu Mar 20, 9:31 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Michael Buesch, (Thu Mar 20, 9:36 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Andrew Morton, (Thu Mar 20, 10:27 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Heiko Carstens, (Fri Mar 21, 9:47 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Greg KH, (Fri Mar 21, 12:54 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Andrew Morton, (Fri Mar 21, 3:59 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Michael Buesch, (Fri Mar 21, 4:16 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Michael Buesch, (Fri Mar 21, 4:20 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Alan Stern, (Thu Mar 20, 11:07 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Andrew Morton, (Thu Mar 20, 11:17 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Tetsuo Handa, (Fri Mar 21, 11:11 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Stefan Richter, (Fri Mar 21, 12:54 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Stefan Richter, (Fri Mar 21, 1:02 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Tetsuo Handa, (Sun Mar 23, 1:53 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Jean Delvare, (Fri Mar 21, 5:53 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Andrew Morton, (Fri Mar 21, 1:37 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Alan Stern, (Fri Mar 21, 2:05 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio..., Jonathan Corbet, (Mon Mar 24, 3:34 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Andrew Morton, (Mon Mar 24, 3:42 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio..., Jonathan Corbet, (Mon Mar 24, 3:53 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Junio C Hamano, (Tue Mar 25, 4:52 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio..., Jonathan Corbet, (Tue Mar 25, 9:44 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, David Brownell, (Tue Mar 25, 7:20 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Alan Stern, (Wed Mar 26, 10:28 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Henrique de Moraes Holschuh..., (Wed Mar 26, 12:17 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, David Brownell, (Thu Mar 27, 2:51 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Richard Purdie, (Wed Mar 26, 12:46 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Jean Delvare, (Tue Mar 25, 6:39 am)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, David Brownell, (Tue Mar 18, 3:06 pm)
Re: use of preempt_count instead of in_atomic() at leds-gpio.c, Andrew Morton, (Tue Mar 18, 4:07 pm)