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From:   Thomas Gleixner <tglx@linutronix.de>
To:     Jens Axboe <axboe@kernel.dk>, Matthew Wilcox <willy@infradead.org>
Cc:     LKML <linux-kernel@vger.kernel.org>,
        Christoph Lameter <cl@linux.com>,
        Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: slub: BUG: Invalid wait context
In-Reply-To: <4b884d2b-bcac-4967-d792-f7653084c38d@kernel.dk>
References: <3b7661a1-dbde-ea54-f880-99777c95ae22@kernel.dk>
 <YTEeTK83KNBmuJLC@casper.infradead.org>
 <91af18d0-64cb-71ac-e9f4-4135fe02cb33@kernel.dk>
 <YTEf2MEkEdMVAuRF@casper.infradead.org>
 <4b884d2b-bcac-4967-d792-f7653084c38d@kernel.dk>
Date:   Thu, 02 Sep 2021 21:55:42 +0200
Message-ID: <87r1e6bvlt.ffs@tglx>
MIME-Version: 1.0
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On Thu, Sep 02 2021 at 13:05, Jens Axboe wrote:
> On 9/2/21 1:02 PM, Matthew Wilcox wrote:
>>          NOTE: There are known nesting problems. So if you enable this
>>          option expect lockdep splats until these problems have been fully
>>          addressed which is work in progress. This config switch allows to
>>          identify and analyze these problems. It will be removed and the
>>          check permanently enabled once the main issues have been fixed.
>> 
>>          If unsure, select N.
>
> This isn't a new text, it's been like that for quite a while. The warning
> is new on -git with that option.

I'm looking into it...