linux-kernel - Re: [PATCH] x86/x86_64_defconfig: Enable the serial console

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Message-ID: <20201008164044.GE5505@zn.tnic>
Date:   Thu, 8 Oct 2020 18:40:44 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        Collabora Kernel ML <kernel@...labora.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Diego Elio Pettenò <flameeyes@...meeyes.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        Randy Dunlap <rdunlap@...radead.org>, Willy Tarreau <w@....eu>
Subject: Re: [PATCH] x86/x86_64_defconfig: Enable the serial console

On Thu, Oct 08, 2020 at 06:22:06PM +0200, Enric Balletbo i Serra wrote:
> As part of KernelCI, we added a bunch of different x86 based Chromebooks
> to do test booting and runtime testing. It will be useful have serial
> support for these platforms in the default defconfig, as this, is the
> defconfig used by default for the different maintainer's tree.
> 
> SERIAL_8250_DW is the actual support for the console, but to have
> support we need to enable X86_AMD_PLATFORM_DEVICE for specific AMD
> boards and MFD_INTEL for specific Intel boards.
> 
> While here, also enable USB_RTL8152 config which enables a common
> USB-Ethernet adapter used very commonly in the KernelCI labs.

To me defconfig sounds like the config which contains items which are
needed on the majority of x86 hardware out there.

Are those which you enable that common and if not, why can't your build
supply a custom .config instead?

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette