linux-kernel - Re: [PATCH v1 0/2] Kconfig changes to enable Graphics Support for S390

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Message-Id: <19306e74-7c9b-5644-6f08-bbaef226afd8@linux.vnet.ibm.com>
Date:   Fri, 26 Jan 2018 09:35:36 -0500
From:   Farhan Ali <alifm@...ux.vnet.ibm.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-s390 <linux-s390@...r.kernel.org>,
        Linux Fbdev development list <linux-fbdev@...r.kernel.org>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        Tomi Valkeinen <tomi.valkeinen@...com>
Subject: Re: [PATCH v1 0/2] Kconfig changes to enable Graphics Support for
 S390



On 01/26/2018 08:41 AM, Geert Uytterhoeven wrote:
> Hi Farhan,
> 
> On Thu, Jan 25, 2018 at 4:47 PM, Farhan Ali <alifm@...ux.vnet.ibm.com> wrote:
>> This series of patches are in preparation for enabling an additional
>> tty and console for a S390 KVM guest using a virtio-gpu device[1].
>> One of the steps to do this would be to enable CONFIG_VT for S390,
>> and this would also require the dummy console (CONFIG_DUMMY_CONSOLE).
>>
>> Patch 1 enables the "Graphics support" menu which is
>> needed to enable dummy console, since the VT layer needs it.
>>
>> Patch 2 fixes a Kconfig dependency issue for opencores
>> framebuffer devices. This issue was exposed by the previous
>> patch.
>>
>> Thanks
>> Farhan
>>
>>
>> [1] https://lists.nongnu.org/archive/html/qemu-devel/2017-09/msg04184.html
>>
>> Farhan Ali (2):
>>    Kconfig : Remove HAS_IOMEM dependency for Graphics support
>>    fbdev: Kconfig: Add HAS_IOMEM dependency for FB_OPENCORES
>>
>>   drivers/video/Kconfig       | 1 -
>>   drivers/video/fbdev/Kconfig | 2 +-
>>   2 files changed, 1 insertion(+), 2 deletions(-)
> 
> Shouldn't the order of your two patches be inverted, to avoid patch 1
> introducing
> build breakage fixed by patch 2?
> 
> Gr{oetje,eeting}s,
> 
>                          Geert
> 

Hi Geert,

I wasn't sure what would be the best ordering since we would never hit 
the issue if patch 1 didn't exist. But if the preference is to invert 
the ordering of patches, then I will change the ordering.

Thank you for reviewing.

Thanks
Farhan


> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                  -- Linus Torvalds
>