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From: Alexander Stein <alexander.stein@systec-electronic.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: alexander.lochmann@tu-dortmund.de,
	linux-arch <linux-arch@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [x86] BUG()/BUG_ON() macros cannot be disabled
Date: Tue, 25 Sep 2018 14:31:05 +0200	[thread overview]
Message-ID: <6262522.aGb77nX7K0@ws-140106> (raw)
In-Reply-To: <CAK8P3a1sO9HtJPo0S=s3MFK4TN0s_raNTWRTYCYBTGiyHuXg_A@mail.gmail.com>

Hello Arnd,

On Tuesday, September 25, 2018, 2:06:38 PM CEST Arnd Bergmann wrote:
> We don't really want an empty macro any more, this was used in
> the past, but causes compile-time warnings and undefined behavior
> for no good reason.

Can you elaborate or point me to some other discussion about that undefined behavior?

Best regards,
Alexander

  parent reply	other threads:[~2018-09-25 12:31 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-25 11:35 [x86] BUG()/BUG_ON() macros cannot be disabled Alexander Lochmann
2018-09-25 11:35 ` Alexander Lochmann
2018-09-25 12:06 ` Arnd Bergmann
2018-09-25 12:06   ` Arnd Bergmann
2018-09-25 12:13   ` Alexander Lochmann
2018-09-25 12:13     ` Alexander Lochmann
2018-09-25 12:20     ` Arnd Bergmann
2018-09-25 12:20       ` Arnd Bergmann
2018-09-25 12:58       ` Alexander Lochmann
2018-09-25 12:58         ` Alexander Lochmann
2018-09-25 12:31   ` Alexander Stein [this message]
2018-09-25 12:31     ` Alexander Stein

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