linux-kernel - Re: [ANNOUNCE] v6.3-rc2-rt3

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Message-ID: <20230418150828.tNv46UyK@linutronix.de>
Date:   Tue, 18 Apr 2023 17:08:28 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     John Ogness <john.ogness@...utronix.de>,
        Pierre Gondois <pierre.gondois@....com>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-rt-users@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [ANNOUNCE] v6.3-rc2-rt3

On 2023-04-14 17:38:56 [+0200], Vlastimil Babka wrote:
> What I meant that in the linked thread a solution seems to be forming in the
> form of annotation for lockdep/CONFIG_PROVE_RAW_LOCK_NESTING to make it
> aware that on CONFIG_PREEMPT_RT the problem it sees is side-stepped so it
> shouldn't warn about it on !PREEMPT_RT, and maybe that solution could be
> used for the printk issue as well (I admit I didn't check the code, just by
> reading your mail it sounded very similar).

Yes, you right and it would work and I would include it. Once the
DEBUG_OBJECT part is merged (the LD_LOCK_WAIT logic is missing) I would
add something here.

Sebastian