linux-kernel - Re: [git pull] Devicetree changes for v3.15

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Message-ID: <CACRpkdYtiRyJK32M2z5EVxW1wXEfv-YDqJ=JPK3TeThV2=7sHA@mail.gmail.com>
Date:	Mon, 29 Sep 2014 10:52:30 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Jason Cooper <jason@...edaemon.net>
Cc:	Grant Likely <grant.likely@...retlab.ca>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Rob Herring <rob.herring@...aro.org>
Subject: Re: [git pull] Devicetree changes for v3.15

On Fri, Sep 26, 2014 at 4:19 PM, Jason Cooper <jason@...edaemon.net> wrote:
> On Fri, Sep 26, 2014 at 02:30:53PM +0200, Linus Walleij wrote:

> Exact patch is:
>
>   f4d4ffc03efc kbuild: dtbs_install: new make target
>
>> After this patch a while back I have observed the following behaviour
>> of the kernel build:
>>
>> make zImage
>> make zImage
>> -> incremental build, just relink
>>
>> make zImage
>> make dtbs
>> make zImage
>> -> The whole kernel gets rebuilt
>>
>> So now if I happen to recompile my device trees, I suddenly want
>> the entire zImage to be rebuilt to? It's by definition not changes that
>> affect the kernel build :-(
>>
>> I noticed this because my build scripts calls make dtbs && make zImage,
>> and started to rebuild absolutely everything all the time.
>>
>> Do you think this can be fixed? It's quite simple to reproduce...
>
> Does the attached fix your problem?

Yes!
Tested-by: Linus Walleij <linus.walleij@...aro.org>

Please get this upstream marked for stable.

Yours,
Linus Walleij
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