linux-kernel - Re: [PATCH] arm: multi_v7_defconfig: Enable more OMAP related configs

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Message-ID: <a92812be-7370-4c55-8c3b-728834bd83c1@ti.com>
Date: Tue, 19 Aug 2025 15:45:23 +0530
From: Beleswar Prasad Padhi <b-padhi@...com>
To: Arnd Bergmann <arnd@...db.de>, Russell King <linux@...linux.org.uk>
CC: Krzysztof Kozlowski <krzk@...nel.org>, Andrew Davis <afd@...com>,
        Udit
 Kumar <u-kumar1@...com>, Praneeth Bajjuri <praneeth@...com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm: multi_v7_defconfig: Enable more OMAP related configs

Hi Arnd,

On 06/08/25 21:11, Arnd Bergmann wrote:
> On Wed, Aug 6, 2025, at 16:18, Beleswar Padhi wrote:
>> From: Sinthu Raja <sinthu.raja@...com>
>>
>> This allows us to enable various peripherals in the TI OMAP family
>> platforms like AM571X-IDK, AM572X-IDK, AM574X-IDK, AM57XX-BEAGLE-X15,
>> AM57XX-EVM using the multi_v7_defconfig, instead of only with the
>> OMAP specific defconfigs.
> Hi Beleswar,
>
> It's fine to enable drivers that are only used on a specific
> platform, but those should generally be loadable modules, not
> built-in.


Sorry for the delay in getting back. I have sent out an v2 with your suggestions:
https://lore.kernel.org/all/20250819101137.2878336-1-b-padhi@ti.com/

Thanks,
Beleswar

>
> For the generic (platform-independent) options, I would
> suggest splitting them out into a separate patch, so you
> can describe better what the purpose is, since this is
> clearly not just for OMAP.
>
>> IKCONFIG*:
>> Allows reading the current kernel configuration through /proc/config.gz
> This one seems particularly unnecessary in a "defconfig" build
> since the configuration is already known based on the version.
>
>> THERMAL_EMULATION:
>> Adds emul_temp sysfs node under thermal zones to allow emulating
>> temperature changes.
> The documentation for this option suggests that we probably
> don't want it enabled.
>
>> FANOTIFY:
>> Allows sending open file descriptors to userspace listeners along with
>> file access events.
>>
>> USER_NS:
>> NAMESPACES:
>> Enable user NS to provide user info of different users for different
>> process.
>>
>> POSIX_MQUEUE:
>> Supports POSIX message queues for priority-based IPC.
>>
>> BSD_PROCESS_ACCT:
>> Enables BSD process accounting to allow user space program to write
>> process accounting information to a file.
> I assume these are all in order to run a particular userspace
> distro?
>
>       Arnd