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

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Message-ID: <CAOesGMhHPa+Wb6=bEZ1paUN4-Rw_DFc5rtZQ9miQ=Otg9p39Uw@mail.gmail.com>
Date:	Fri, 25 Oct 2013 05:59:56 -0700
From:	Olof Johansson <olof@...om.net>
To:	Joe Perches <joe@...ches.com>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	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 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.


-Olof
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