linux-kernel - Re: [RFC PATCH 3/3] arm64: add a new config option KTEST

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Message-ID: <20181213151823.GK10669@sirena.org.uk>
Date:   Thu, 13 Dec 2018 15:18:23 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Anders Roxell <anders.roxell@...aro.org>
Cc:     linux-kernel@...r.kernel.org, catalin.marinas@....com,
        will.deacon@....com, arnd@...db.de, mingo@...hat.com,
        rostedt@...dmis.org, akpm@...ux-foundation.org
Subject: Re: [RFC PATCH 3/3] arm64: add a new config option KTEST_RUNNABLE

On Thu, Dec 13, 2018 at 01:29:10PM +0100, Anders Roxell wrote:

> With this new config option, we can boot a allmodconfig kernel in qemu.
> Config options SERIAL_AMBA_PL011, SERIAL_AMBA_PL011_CONSOLE, UNIX needs
> to be enabled in order to get a console. Options like CPU_BIG_ENDIAN,
> CMDLINE_FORCE, CMDLINE_OVERRIDE and HVC_DCC needs to be disabled.

Does ktest really not run with BIG_ENDIAN?  

> +config KTEST_RUNNABLE
> +	bool "Test build kernels that run in qemu for ktest"
> +	select SERIAL_AMBA_PL011
> +	select SERIAL_AMBA_PL011_CONSOLE
> +	select UNIX

The opposite angle for my question on patch 1 I guess but is this really
a generic thing for running ktest?  It seems like it's specific to qemu
(and other systems which have the PL011 as the console serial port).

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