linux-kernel - Re: [PATCH 3/3] printer port driver: semaphore to mutex

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Message-ID: <3efb10970712061201l343ad865mae920c3e6d43bfd9@mail.gmail.com>
Date:	Thu, 6 Dec 2007 21:01:54 +0100
From:	"Remy Bohmer" <linux@...mer.net>
To:	"Daniel Walker" <dwalker@...sta.com>
Cc:	"Ingo Molnar" <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] printer port driver: semaphore to mutex

Daniel,

FYI: I am working on the conversion of the 2 sem->mutex in kernel/printk.c

Remy

2007/12/6, Daniel Walker <dwalker@...sta.com>:
> On Thu, 2007-12-06 at 11:23 +0100, Ingo Molnar wrote:
> > * Daniel Walker <dwalker@...sta.com> wrote:
> >
> > > The port_mutex is actually a semaphore, so easily converted to a
> > > struct mutex.
> > >
> > > Signed-off-by: Daniel Walker <dwalker@...sta.com>
> >
> > Acked-by: Ingo Molnar <mingo@...e.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) ..
>
> Daniel
>
>
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