From: torbenh <torbenh@gmx.de>
To: Greg KH <gregkh@suse.de>
Cc: xen-devel@lists.xensource.com,
Kees Cook <kees.cook@canonical.com>,
linux-fbdev@vger.kernel.org,
Sascha Hauer <s.hauer@pengutronix.de>,
James Hogan <james@albanarts.com>,
James Morris <jmorris@namei.org>,
Grant Likely <grant.likely@secretlab.ca>,
Paul Mackerras <paulus@samba.org>,
linux-parisc@vger.kernel.org, Magnus Damm <damm@opensource.se>,
Jiri Slaby <jslaby@suse.cz>,
Dan Williams <dan.j.williams@intel.com>,
devel@driverdev.osuosl.org, Guy Martin <gmsoft@tuxicoman.be>,
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
Russell King <linux@arm.linux.org.uk>,
Thomas Gleixner <tglx@tglx.de>,
Wu Zhangjin <wuzhangjin@gmail.com>,
Florian Tobias Schandinat <FlorianSchandinat@gmx.de>,
Lionel Debroux <lionel_debroux@yahoo.fr>,
Helge Deller <deller@gmx.de>,
Kay Sievers <kay.sievers@vrfy.org>"James E.J. Bottomley" <je>
Subject: Re: [PATCH] change acquire/release_console_sem() to console_lock/unlock()
Date: Thu, 20 Jan 2011 17:55:02 +0100 [thread overview]
Message-ID: <20110120165502.GA10832@siel.b> (raw)
In-Reply-To: <20110120163448.GA30588@suse.de>
On Thu, Jan 20, 2011 at 08:34:48AM -0800, Greg KH wrote:
> On Thu, Jan 20, 2011 at 04:58:13PM +0100, Torben Hohn wrote:
> > the -rt patches change the console_semaphore to console_mutex.
> > so a quite large chunk of the patches changes all
> > acquire/release_console_sem() to acquire/release_console_mutex()
>
> Why not just change the functionality of the existing function to be a
> mutex in the rt patches, instead of having to rename it everywhere?
i hope that Thomas already did this in his upcoming -rt series.
>
> > this commit makes things use more neutral function names
> > which dont make implications about the underlying lock.
> >
> > the only real change is the return value of console_trylock
> > which is inverted from try_acquire_console_sem()
> >
> > Signed-off-by: Torben Hohn <torbenh@gmx.de>
> > CC: Thomas Gleixner <tglx@tglx.de>
>
> I don't mind this rename, but is it really going to help anything out?
> What's the odds of the -rt portion of this patch ever making it to
> mainline?
the -rt portion only changes the semaphore to a mutex.
since the console_sem is used with mutex semantics, i dont see any
reason, not to merge that portion too.
i am just trying to shrink the -rt patch to make it more maintanable :)
>
> thanks,
>
> greg k-h
--
torben Hohn
next prev parent reply other threads:[~2011-01-20 16:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-20 15:58 [PATCH] change acquire/release_console_sem() to console_lock/unlock() Torben Hohn
2011-01-20 16:34 ` Greg KH
2011-01-20 16:55 ` torbenh [this message]
2011-01-20 20:35 ` Andrew Morton
2011-01-21 8:10 ` Geert Uytterhoeven
2011-01-21 8:23 ` Andrew Morton
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