All of lore.kernel.org
 help / color / mirror / Atom feed
From: Valdis.Kletnieks@vt.edu
To: Steve Youngs <sryoungs@bigpond.net.au>
Cc: Linux Kernel List <linux-kernel@vger.kernel.org>
Subject: Re: PATCH: (as177) Add class_device_unregister_wait() and platform_device_unregister_wait() to the driver model core
Date: Mon, 26 Jan 2004 00:21:27 -0500	[thread overview]
Message-ID: <200401260521.i0Q5LRha021370@turing-police.cc.vt.edu> (raw)
In-Reply-To: Your message of "Mon, 26 Jan 2004 15:06:48 +1000." <microsoft-free.87hdyjs3h3.fsf@eicq.dnsalias.org>

[-- Attachment #1: Type: text/plain, Size: 656 bytes --]

On Mon, 26 Jan 2004 15:06:48 +1000, Steve Youngs <sryoungs@bigpond.net.au>  said:

>   > A boolean is just a one-bit reference count. If the maximum number of
>   > simultaneous 'users' for a given module is one, then a boolean will work.
>   > If there is potential for more than one simultaneous user then you need
>   > more bits.
> 
> Why?  A module is either being used or it isn't, the number of uses
> shouldn't even come into it.

OK. There's 2 users of the module.  The first one exits.  How does it (or
anything else) know that it's NOT safe to just clear the in-use bit and clean
it up?

And how does the second one know it IS safe to clean up?

[-- Attachment #2: Type: application/pgp-signature, Size: 226 bytes --]

  reply	other threads:[~2004-01-26  5:21 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-23 16:58 PATCH: (as177) Add class_device_unregister_wait() and platform_device_unregister_wait() to the driver model core Alan Stern
2004-01-23 17:42 ` Linus Torvalds
2004-01-23 18:03   ` Alan Stern
2004-01-23 18:10     ` viro
2004-01-23 18:18       ` Greg KH
2004-01-23 18:15     ` Linus Torvalds
2004-01-23 18:31       ` Greg KH
2004-01-23 18:11   ` Greg KH
2004-01-23 18:19     ` Linus Torvalds
2004-01-23 18:27       ` Greg KH
2004-01-25 17:32       ` Alan Stern
2004-01-25 19:02         ` Linus Torvalds
2004-01-25 20:21           ` viro
2004-01-27  6:51             ` Rusty Russell
2004-01-27 13:56               ` Roman Zippel
2004-01-27 23:29                 ` Rusty Russell
2004-01-28  2:36                   ` Roman Zippel
2004-01-28  3:54                     ` Rusty Russell
2004-01-25 23:12           ` Steve Youngs
2004-01-26  3:22             ` Adam Kropelin
2004-01-26  5:06               ` Steve Youngs
2004-01-26  5:21                 ` Valdis.Kletnieks [this message]
2004-01-26  5:55                   ` Steve Youngs
2004-01-26  6:25                     ` Valdis.Kletnieks
2004-01-26  8:48                     ` Helge Hafting
2004-01-26 15:50                 ` Adam Kropelin
2004-01-26 16:22           ` Roman Zippel
2004-01-27 19:32             ` Russell King
2004-01-27 20:28               ` Greg KH
2004-01-27 20:29             ` Greg KH
2004-01-28  2:03               ` Roman Zippel
2004-01-28  2:17                 ` viro
2004-01-28  2:53                   ` Roman Zippel
2004-01-27  6:41           ` Rusty Russell
2004-01-23 19:45     ` viro
2004-01-26  5:50     ` Rusty Russell
2004-01-26 15:51       ` Alan Stern
2004-01-27 22:55         ` Rusty Russell

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=200401260521.i0Q5LRha021370@turing-police.cc.vt.edu \
    --to=valdis.kletnieks@vt.edu \
    --cc=linux-kernel@vger.kernel.org \
    --cc=sryoungs@bigpond.net.au \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.