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From: Pavel Machek <pavel@ucw.cz>
To: Dan Moulding <dmoulding@me.com>
Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
	tglx@linutronix.de, akpm@linux-foundation.org, corbet@lwn.net
Subject: Re: [PATCH v2 0/1] Allow setting hostname before userspace starts
Date: Fri, 6 May 2022 09:23:23 +0200	[thread overview]
Message-ID: <20220506072322.GA3925@amd> (raw)
In-Reply-To: <20220506060310.7495-1-dmoulding@me.com>

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Hi1

> Some userspace processes may rely on gethostname to always return the
> correct machine name. However, the only way that the hostname may be
> set is by some other userspace process calling sethostname
> first. During boot, if a process that depends on gethostname runs
> before sethostname has been called, then the process that called
> gethostname is going to get an incorrect result.

Don't do that, then? :-).

init gets passed command line parameters kernel did not use. So init
can do that easily. Plus, there's initrd.

Best regards,
								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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  parent reply	other threads:[~2022-05-06  7:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-06  6:03 [PATCH v2 0/1] Allow setting hostname before userspace starts Dan Moulding
2022-05-06  6:03 ` [PATCH v2 1/1] init: Add "hostname" kernel parameter Dan Moulding
2022-05-06  7:23 ` Pavel Machek [this message]
2022-05-06 15:44   ` [PATCH v2 0/1] Allow setting hostname before userspace starts Dan Moulding

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