linux-kernel - Re: [RFC PATCH] device: Add kernel standard devm

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Message-ID: <20131025152323.GA27606@kroah.com>
Date:	Fri, 25 Oct 2013 16:23:23 +0100
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Olof Johansson <olof@...om.net>
Cc:	Joe Perches <joe@...ches.com>, Kevin Hilman <khilman@...aro.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tejun Heo <tj@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
	Sangjung Woo <sangjung.woo@...sung.com>,
	Thierry Reding <thierry.reding@...il.com>,
	Guenter Roeck <linux@...ck-us.net>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [RFC PATCH] device: Add kernel standard devm_k.alloc functions

On Fri, Oct 25, 2013 at 05:59:56AM -0700, Olof Johansson wrote:
> On Sun, Oct 20, 2013 at 8:22 AM, Joe Perches <joe@...ches.com> wrote:
> > On Sat, 2013-10-19 at 19:57 -0700, Greg KH wrote:
> >> On Fri, Oct 18, 2013 at 10:52:46PM -0700, Kevin Hilman wrote:
> >> > Greg KH <gregkh@...uxfoundation.org> writes:
> >> >
> >> > > On Fri, Oct 18, 2013 at 10:04:11AM -0700, Kevin Hilman wrote:
> >> > >> > A handful of boot panics on ARM platforms were bisected to point at
> >> > >> > the version of this commit that's in linux-next (commit
> >> > >> > 64c862a839a8db2c02bbaa88b923d13e1208919d).  Reverting this commit
> >> > >> > makes things happy again.
> >> > >> >
> >> > >> > Upon further digging, it seems that users of devres_alloc() are
> >> > >> > relying on the previous behavior of having the memory zero'd which is
> >> > >> > no longer the case after $SUBJECT patch.  The change below on top of
> >> > >> > -next makes these ARM boards happy again.
> >> > >>
> >> > >> Oops, it should've fixed __devres_alloc() also.  Updated patch below.
> >> > >
> >> > > Can you send this in a format that I can apply it in?  It was whitespace
> >> > > damaged.
> >> >
> >> > hmm, sorry about that.  This one should work, though I wonder if Andrew
> >> > should pick this up since I think the patch that causes the breakage
> >> > came through his tree.
> >>
> >> No, the patch is in my tree, not Andrew's.
> >>
> >> Joe, can I get a signed-off-by for this?
> >
> > If you want.
> >
> > Signed-off-by: Joe Perches <joe@...ches.com>
> 
> Acked-by: Olof Johansson <olof@...om.net>
> 
> 
> Greg, would you mind picking this up? It's still broken in -next and I
> don't want it to mask other issues that might be introduced.

I picked it up early this morning already, so it will be in the next
-next whenever it gets created...

thanks,

greg k-h
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