linux-kernel - Re: [PATCH v3 1/1] kernel/utsname

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Message-Id: <20220901131539.1bfacab0f60b5116e492a46c@linux-foundation.org>
Date:   Thu, 1 Sep 2022 13:15:39 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Petr Vorel <pvorel@...e.cz>
Cc:     linux-kernel@...r.kernel.org,
        Eric Biederman <ebiederm@...ssion.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        David Sterba <dsterba@...e.com>
Subject: Re: [PATCH v3 1/1] kernel/utsname_sysctl.c: Print kernel arch

On Thu,  1 Sep 2022 21:44:03 +0200 Petr Vorel <pvorel@...e.cz> wrote:

> Print the machine hardware name (UTS_MACHINE) in /proc/sys/kernel/arch.
> 
> This helps people who debug kernel with initramfs with minimal
> environment (i.e. without coreutils or even busybox) or allow to open
> sysfs file instead of run 'uname -m' in high level languages.

If they're this constrained, why not run sys_uname() directly?