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From: Henbin Chang <henbinchang@gmail.com>
Date: Wed, 4 Jul 2018 10:57:06 +0800
Message-ID: <CAG9c7cAWdGQRnTLCFK16UbBjLn7TodvgeTouu-nZD6OqpY+_pA@mail.gmail.com>
Subject: Re: How to override default Kernel config
To: Lei YU <mine260309@gmail.com>
Cc: OpenBMC Maillist <openbmc@lists.ozlabs.org>
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My machine isn't in the OpenBMC tree.

I list the partial contents in my machine layer
  ...
  meta-aspeed \
  meta-x86 \
  meta-x86/meta-mct \
  meta-x86/meta-mct/meta-tiogapass \ -> the last line in the bblayers.conf

In the merge_config_build.log, I find the merging sequence is the below
  Using .kernel-meta/configs//./tiogapass.cfg as base
  Merging .kernel-meta/configs//./phosphor-gpio-keys.cfg
  Merging .kernel-meta/configs//./phosphor-gpio-keys.cfg
  Merging .kernel-meta/configs//./phosphor-vlan.cfg
  Merging .kernel-meta/configs//./phosphor-vlan.cfg
  Merging .kernel-meta/configs//./phosphor-wdt-on-panic.cfg
  Merging .kernel-meta/configs//./phosphor-wdt-on-panic.cfg
  Merging .kernel-meta/configs//./defconfig
  ...

Suppose the CONFIG_DEVMEM=y is removed while 'Merging
.kernel-meta/configs//./defconfig'

Thanks.

2018-07-04 10:34 GMT+08:00 Lei YU <mine260309@gmail.com>:

> > After following your instructions, the CONFIG_DEVMEM is still not set in
> the below '.config'
> >
> > workspace/sources/linux-aspeed/.config
> >
> > It did work if I directly modified meta-openbmc-bsp/meta-aspeed/
> recipes-kernel/linux/linux-aspeed/ast2500/defconfig
>
> Then you need to make sure if your build config include the machine layer
> by
> checking the build configuration.
>
> E.g. below is meta-romulus' configuration, check if your meta-machine is
> correctly included.
>
>     Build Configuration:
>     ...
>     meta
>     meta-poky
>     meta-oe
>     meta-networking
>     meta-perl
>     meta-python
>     meta-webserver
>     meta-virtualization
>     meta-phosphor
>     meta-aspeed
>     meta-openpower
>     meta-ibm
>     meta-romulus   <== Your meta-machine should appear here.
>
> Btw, what is your machine, is it in OpenBMC tree?
>

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<div dir=3D"ltr">My machine isn&#39;t in the OpenBMC tree.<div><br></div><d=
iv>I list the partial contents in my machine layer</div><div>=C2=A0 ...</di=
v><div><div>=C2=A0 meta-aspeed \</div><div>=C2=A0 meta-x86 \</div><div>=C2=
=A0 meta-x86/meta-mct \</div><div>=C2=A0 meta-x86/meta-mct/meta-tiogapass \=
 -&gt; the last line in the bblayers.conf</div></div><div><br></div><div>In=
 the=C2=A0merge_config_build.log, I find the merging sequence is the below<=
/div><div><div>=C2=A0 Using .kernel-meta/configs//./tiogapass.cfg as base</=
div><div>=C2=A0 Merging .kernel-meta/configs//./phosphor-gpio-keys.cfg</div=
><div>=C2=A0 Merging .kernel-meta/configs//./phosphor-gpio-keys.cfg</div><d=
iv>=C2=A0 Merging .kernel-meta/configs//./phosphor-vlan.cfg</div><div>=C2=
=A0 Merging .kernel-meta/configs//./phosphor-vlan.cfg</div><div>=C2=A0 Merg=
ing .kernel-meta/configs//./phosphor-wdt-on-panic.cfg</div><div>=C2=A0 Merg=
ing .kernel-meta/configs//./phosphor-wdt-on-panic.cfg</div><div>=C2=A0 Merg=
ing .kernel-meta/configs//./defconfig</div></div><div>=C2=A0 ...</div><div>=
<br></div><div>Suppose the CONFIG_DEVMEM=3Dy is removed while &#39;<span st=
yle=3D"font-size:small;background-color:rgb(255,255,255);text-decoration-st=
yle:initial;text-decoration-color:initial;float:none;display:inline">Mergin=
g .kernel-meta/configs//./defconfig</span>&#39;</div><div><br></div><div>Th=
anks.</div></div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">=
2018-07-04 10:34 GMT+08:00 Lei YU <span dir=3D"ltr">&lt;<a href=3D"mailto:m=
ine260309@gmail.com" target=3D"_blank">mine260309@gmail.com</a>&gt;</span>:=
<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-lef=
t:1px #ccc solid;padding-left:1ex"><span class=3D"">&gt; After following yo=
ur instructions, the CONFIG_DEVMEM is still not set in the below &#39;.conf=
ig&#39;<br>
&gt;<br>
&gt; workspace/sources/linux-<wbr>aspeed/.config<br>
&gt;<br>
&gt; It did work if I directly modified meta-openbmc-bsp/meta-aspeed/<wbr>r=
ecipes-kernel/linux/linux-<wbr>aspeed/ast2500/defconfig<br>
<br>
</span>Then you need to make sure if your build config include the machine =
layer by<br>
checking the build configuration.<br>
<br>
E.g. below is meta-romulus&#39; configuration, check if your meta-machine i=
s<br>
correctly included.<br>
<br>
=C2=A0 =C2=A0 Build Configuration:<br>
=C2=A0 =C2=A0 ...<br>
=C2=A0 =C2=A0 meta<br>
=C2=A0 =C2=A0 meta-poky<br>
=C2=A0 =C2=A0 meta-oe<br>
=C2=A0 =C2=A0 meta-networking<br>
=C2=A0 =C2=A0 meta-perl<br>
=C2=A0 =C2=A0 meta-python<br>
=C2=A0 =C2=A0 meta-webserver<br>
=C2=A0 =C2=A0 meta-virtualization<br>
=C2=A0 =C2=A0 meta-phosphor<br>
=C2=A0 =C2=A0 meta-aspeed<br>
=C2=A0 =C2=A0 meta-openpower<br>
=C2=A0 =C2=A0 meta-ibm<br>
=C2=A0 =C2=A0 meta-romulus=C2=A0 =C2=A0&lt;=3D=3D Your meta-machine should =
appear here.<br>
<br>
Btw, what is your machine, is it in OpenBMC tree?<br>
</blockquote></div><br></div>

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