linux-kernel - Re: [PATCH 72/79] sysdev: Pass the attribute to the low level sysdev show/store function

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Message-ID: <20080722211919.GA5669@suse.de>
Date:	Tue, 22 Jul 2008 14:19:19 -0700
From:	Greg KH <gregkh@...e.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, andi@...stfloor.org,
	ak@...ux.intel.com, mingo@...e.hu, tiwai@...e.de,
	linux-next@...r.kernel.org
Subject: Re: [PATCH 72/79] sysdev: Pass the attribute to the low level
	sysdev show/store function

On Tue, Jul 22, 2008 at 02:03:01PM -0700, Andrew Morton wrote:
> On Tue, 22 Jul 2008 13:49:39 -0700
> Greg KH <gregkh@...e.de> wrote:
> 
> > On Tue, Jul 22, 2008 at 01:40:45PM -0700, Andrew Morton wrote:
> > > On Mon, 21 Jul 2008 22:19:36 -0700
> > > Greg Kroah-Hartman <gregkh@...e.de> wrote:
> > > 
> > > > From: Andi Kleen <andi@...stfloor.org>
> > > > 
> > > > This allow to dynamically generate attributes and share show/store
> > > > functions between attributes. Right now most attributes are generated
> > > > by special macros and lots of duplicated code. With the attribute
> > > > passed it's instead possible to attach some data to the attribute
> > > > and then use that in shared low level functions to do different things.
> > > > 
> > > > I need this for the dynamically generated bank attributes in the x86
> > > > machine check code, but it'll allow some further cleanups.
> > > > 
> > > > I converted all users in tree to the new show/store prototype. It's a single
> > > > huge patch to avoid unbisectable sections.
> > > > 
> > > > Runtime tested: x86-32, x86-64
> > > > Compiled only: ia64, powerpc
> > > > Not compile tested/only grep converted: sh, arm, avr32
> > > > 
> > > > Signed-off-by: Andi Kleen <ak@...ux.intel.com>
> > > > Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
> > > >
> > > > ...
> > > >
> > > >  kernel/sched.c                            |    8 ++++-
> > > 
> > > This wrecks use-sysdev_class-in-schedc.patch (below), which I merged a
> > > week ago and will now drop.
> > > 
> > > Why did this patch from Andi just turn up in linux-next now, halfway
> > > through the merge window?  It has a commit date of July 1 yet it has
> > > never before been sighted in linux-next.
> > 
> > What?  It's been in linux-next for a while now as it's been in my tree
> > for quite some time.  Unless it somehow got reverted in -next and I
> > didn't realize it?  Which I kind of doubt as it was causing problems
> > with the sparc build and I got reports of that.
> > 
> > This should be a simple merge, the show/store functions of sysdev now
> > just got an additional parameter, like we've done for a while with other
> > types of attributes.
> > 
> 
> Well the changelog for yesterday's linux-next lists this change, but
> the diff to kernel/sched.c (below) does not contain it.  No idea what
> caused that.

Andi any thoughts?


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