linux-kernel - Re: randconfig broken on choice

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Date:	Tue, 6 Sep 2011 11:32:00 -0400
From:	Arnaud Lacombe <lacombar@...il.com>
To:	Matthieu CASTET <matthieu.castet@...rot.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>
Subject: Re: randconfig broken on choice

Hi,

On Tue, Sep 6, 2011 at 11:13 AM, Matthieu CASTET
<matthieu.castet@...rot.com> wrote:
> Hi,
>
> Arnaud Lacombe a écrit :
>> Hi,
>>
>> On Tue, Sep 6, 2011 at 4:52 AM, Matthieu CASTET
>> <matthieu.castet@...rot.com> wrote:
>>> Hi,
>>>
>>> I am using v3.1-rc4 and make randconfig look broken for choice.
>>> The choice config is always the same or choice entry can have more than one entry.
>>>
>> Could you includes testcases showing that behavior, please ?
> $ make randconfig
>
> $ grep -e SLUB -e SLAB -e SLOB .config
> # CONFIG_SLAB is not set
> CONFIG_SLUB=y
> CONFIG_SLOB=y
> # CONFIG_FAILSLAB is not set
>
> We have 2 choice selected (SLUB and SLOB). You may run randconfig (more than one
> time to get this result).
>
ok, I reproduced it with:

while true; do
    make randconfig
    CONFIG_SLAB=; CONFIG_SLOB=; CONFIG_SLUB=
    source .config
    if [ "${CONFIG_SLAB}${CONFIG_SLOB}${CONFIG_SLUB}" != "y" ]; then
        break
    fi
    sleep 1
done

I wonder what set the flags originally...

 - Arnaud

> Matthieu
>
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