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From: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
To: Remy Bohmer <linux@bohmer.net>
Cc: Daniel Walker <dwalker@mvista.com>, Ingo Molnar <mingo@elte.hu>,
	linux-kernel@vger.kernel.org, jonathan@jonmasters.org
Subject: Re: [PATCH 3/3] printer port driver: semaphore to mutex
Date: Fri, 7 Dec 2007 08:40:52 +0100	[thread overview]
Message-ID: <20071207074052.GF480@traven> (raw)
In-Reply-To: <3efb10970712061212i7198f53eo5a8d8774465b3dde@mail.gmail.com>

El Thu, Dec 06, 2007 at 09:12:05PM +0100 Remy Bohmer ha dit:

> Which do you have exactly on your list? (good to know, it prevents
> double work...)

it isn't really an elaborated list, until now i greped for certain
semaphore usages, had a look at the code and converted it if
necessary. at the moment i'm having a look at usb drivers.

> 2007/12/6, Matthias Kaehlcke <matthias.kaehlcke@gmail.com>:
> > El Thu, Dec 06, 2007 at 08:34:06AM -0800 Daniel Walker ha dit:
> >
> > > On Thu, 2007-12-06 at 11:23 +0100, Ingo Molnar wrote:
> > > > * Daniel Walker <dwalker@mvista.com> wrote:
> > > >
> > > > > The port_mutex is actually a semaphore, so easily converted to a
> > > > > struct mutex.
> > > > >
> > > > > Signed-off-by: Daniel Walker <dwalker@mvista.com>
> > > >
> > > > Acked-by: Ingo Molnar <mingo@elte.hu>
> > > >
> > > > cool. How far away are we from being able to remove all the semaphore
> > > > code? :-)
> > >
> > > I wish my 7 patches made a dent, but it's hasn't done much. ;(
> > >
> > > I would guess at least a week just to mop up the relatively easy ones..
> > > I've got 12 in my queue, and there still ~50 hopefully trivial ones
> > > still to be looked at.. Then another ~30 more difficult ones (that use
> > > init_MUTEX_LOCKED, or sema_init with 0 instead of 1) ..
> >
> > I've also more patches of this type on my list, though i work in a
> > slower pace
> >
> >
> >              You must have a plan. If you don't have a plan,
> >                you'll become part of somebody else's plan
> >                                                                  .''`.
> >     using free software / Debian GNU/Linux | http://debian.org  : :'  :
> >                                                                 `. `'`
> > gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4                  `-
> >

-- 
Matthias Kaehlcke
Linux System Developer
Barcelona

                Don't walk behind me, I may not lead
             Don't walk in front of me, I may not follow
                Just walk beside me and be my friend
                          (Albert Camus)
                                                                 .''`.
    using free software / Debian GNU/Linux | http://debian.org  : :'  :
                                                                `. `'`
gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4                  `-

  parent reply	other threads:[~2007-12-07  7:41 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20071206021857.826386004@mvista.com>
2007-12-05  8:00 ` [PATCH 1/3] stopmachine semaphore to mutex Daniel Walker
2007-12-05  8:00 ` [PATCH 2/3] Amiga serial driver: port_write_mutex fixup Daniel Walker
2007-12-05  8:00 ` [PATCH 3/3] printer port driver: semaphore to mutex Daniel Walker
2007-12-06 10:23   ` Ingo Molnar
2007-12-06 16:34     ` Daniel Walker
2007-12-06 20:01       ` Remy Bohmer
2007-12-06 20:12         ` Daniel Walker
2007-12-06 20:40           ` Remy Bohmer
2007-12-06 20:05       ` Matthias Kaehlcke
2007-12-06 20:12         ` Remy Bohmer
2007-12-06 20:23           ` Daniel Walker
2007-12-07  7:40           ` Matthias Kaehlcke [this message]
2007-12-06 20:44       ` Ingo Molnar
2007-12-06 23:30       ` Kevin Winchester
2007-12-07  1:05         ` Daniel Walker
2007-12-07  1:29           ` Possible locking issue in viotape.c Kevin Winchester
2007-12-07  1:40             ` Daniel Walker
2007-12-08 18:17               ` Kevin Winchester
2007-12-08 18:22                 ` Daniel Walker
2007-12-08 19:19                   ` Kevin Winchester
2007-12-08 19:45                     ` Daniel Walker
2007-12-06 10:22 ` [PATCH 1/3] stopmachine semaphore to mutex Ingo Molnar

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