linux-kernel - Re: [PATCH 2/2] arc: hsdk_defconfig: enable CONFIG_ARC_UBOOT

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Date:   Tue, 5 Feb 2019 16:42:28 +0000
From:   Vineet Gupta <vineet.gupta1@...opsys.com>
To:     Eugeniy Paltsev <eugeniy.paltsev@...opsys.com>,
        "clabbe@...libre.com" <clabbe@...libre.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "alexey.brodkin@...opsys.com" <alexey.brodkin@...opsys.com>,
        "khilman@...libre.com" <khilman@...libre.com>,
        "linux-snps-arc@...ts.infradead.org" 
        <linux-snps-arc@...ts.infradead.org>
Subject: Re: [PATCH 2/2] arc: hsdk_defconfig: enable CONFIG_ARC_UBOOT_SUPPORT

On 2/5/19 3:42 AM, Eugeniy Paltsev wrote:
> Hi Corentin,
>
> In case of devboards (like HSDK) we really often disable bootloader and load
> Linux image in memory via JTAG. Enabling CONFIG_ARC_UBOOT_SUPPORT by
> default will break it as we will try to interpret some junk in a registers
> as a pointers to bootargs/etc which aren't set by anyone in case of JTAG using.
>
> So it isn't a good idea to have CONFIG_ARC_UBOOT_SUPPORT enabled by default.

Right.

It is difficult to accommodate everyone's needs (often conflicting) in a single
defconfig.
Can you folks create an out-of-tree defconfig or some such.

-Vineet