Re: [PATCH master 3/7] ARM: configs: temporarily revive vexpress_defconfig

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

On 22.05.23 10:23, Sascha Hauer wrote:
> On Mon, May 22, 2023 at 07:22:18AM +0200, Ahmad Fatoum wrote:
>> Vexpress and the Qemu ARM Virt platform have a memory-mapped flash
>> starting at physical address 0. This clashes with the zero page used to
>> trap NULL pointer accesses when MMU is enabled. For this reason,
>> vexpress_defconfig disabled the MMU. vexpress_defconfig was removed in
>> favor of multi_v7_defconfig, but the latter enables the MMU, breaking
>> the ability to test barebox environment and state out of the box.
>>
>> Patches to resolve that are being upstreamed, so until they are, let's
>> reinstate vexpress_defconfig.
>>
>> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
>> ---
>>  Documentation/user/virtio.rst       |  2 +-
>>  arch/arm/configs/vexpress_defconfig | 76 +++++++++++++++++++++++++++++
>>  2 files changed, 77 insertions(+), 1 deletion(-)
>>  create mode 100644 arch/arm/configs/vexpress_defconfig
>>
>> diff --git a/Documentation/user/virtio.rst b/Documentation/user/virtio.rst
>> index a8624649f473..d944fa4821b1 100644
>> --- a/Documentation/user/virtio.rst
>> +++ b/Documentation/user/virtio.rst
>> @@ -44,7 +44,7 @@ Building barebox for QEMU targets is no different from others.
>>  For example, we can do the following with the CROSS_COMPILE environment
>>  variable being properly set to a working toolchain for ARM::
>>  
>> -  $ make multi_v7_defconfig
>> +  $ make vexpress_defconfig
>>    $ make
>>  
>>  Testing
>> diff --git a/arch/arm/configs/vexpress_defconfig b/arch/arm/configs/vexpress_defconfig
> 
> vexpress_defconfig is not removed in master. The patch is still in
> -next.

I am fine with either taking this to next or dropping the original commit.

> 
> Sascha
> 
> 

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