linux-kernel - Re: [PATCH 0/7] convert semaphore to mutex in struct class

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Message-ID: <20080107084528.GA8365@suse.de>
Date:	Mon, 7 Jan 2008 00:45:28 -0800
From:	Greg KH <gregkh@...e.de>
To:	Dave Young <hidave.darkstar@...il.com>
Cc:	Stefan Richter <stefanr@...6.in-berlin.de>,
	stern@...land.harvard.edu, peterz@...radead.org,
	david-b@...bell.net, davem@...emloft.net, jarkao2@...il.com,
	krh@...hat.com, dbrownell@...rs.sourceforge.net,
	James.Bottomley@...senPartnership.com, a.zummo@...ertech.it,
	cbou@...l.ru, dwmw2@...radead.org,
	linux1394-devel@...ts.sourceforge.net,
	spi-devel-general@...ts.sourceforge.net,
	linux-scsi@...r.kernel.org, rtc-linux@...glegroups.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] convert semaphore to mutex in struct class

On Mon, Jan 07, 2008 at 10:09:44AM +0800, Dave Young wrote:
> 
> Thanks for your comment, I rewrite it for 2.6.24-rc7 as a all-in-one
> patch, please see following. Drop i2c maintainer and list in cc
> because there's no changes about i2c in this patch:
> 
> Convert semaphore to mutex in struct class

Most of the non-driver core code should be converted to not use the
lock in the class at all.  They should use a local lock instead.

So how about a patch series that removes the usage of the current
semaphore from the different drivers, and then, a single patch that
converts the semaphore to mutex in the class code, it should not touch
anything outside of the drivers/base/ directory (not including the
driver.h file.)

Sound reasonable?

thanks,

greg k-h
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