linux-kernel - Re: [PATCH] lockdep: Do no validate wait context for novalidate class

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Message-ID: <20200820114348.giwwlbihjwpl4kxz@linutronix.de>
Date:   Thu, 20 Aug 2020 13:43:48 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     peterz@...radead.org
Cc:     linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
        Will Deacon <will@...nel.org>, tglx@...utronix.de,
        kent.overstreet@...il.com
Subject: Re: [PATCH] lockdep: Do no validate wait context for novalidate class

On 2020-08-20 13:40:36 [+0200], peterz@...radead.org wrote:
> Anyway, all 3 users should have the same wait context, so where is the
> actual problem?

I have one in RT which is a per-CPU spinlock within local_bh_disable()
to act as a per-CPU BLK like mainline.

Sebastian