linux-kernel - Re: [PATCH v4] tools: jobserver: Prevent deadlock caused by incorrect jobserver configuration and enhance error reporting

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Message-ID: <87344a22wa.fsf@trenco.lwn.net>
Date: Mon, 12 Jan 2026 09:48:21 -0700
From: Jonathan Corbet <corbet@....net>
To: Changbin Du <changbin.du@...wei.com>, Mauro Carvalho Chehab
 <mchehab@...nel.org>
Cc: linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, Changbin Du
 <changbin.du@...wei.com>, Mauro Carvalho Chehab
 <mchehab+huawei@...nel.org>
Subject: Re: [PATCH v4] tools: jobserver: Prevent deadlock caused by
 incorrect jobserver configuration and enhance error reporting

Jonathan Corbet <corbet@....net> writes:

> Jonathan Corbet <corbet@....net> writes:
>
>> The warning comes from JobserverExec::open(), for an exception that
>> appears to be expected.  This is the sort of use of exceptions that has
>> made me almost swear off them entirely in Python - it's a huge try block
>> that is using exceptions to hide a bunch of the assumptions and logic.
>> I'll be posting a patch shortly to remove this non-exceptional exception
>> case.
>
> Here's a first step, just to show what I have in mind.

So FYI I'm going to add this into docs-next just to avoid adding a
potentially worrisome build warning to linux-next.  It's not yet in
docs-mw, so it's easily removable if a better way comes along.

jon