From: Thomas Gleixner <tglx@linutronix.de>
To: paulmck@kernel.org, Marco Elver <elver@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Dmitry Vyukov <dvyukov@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com,
Stephen Rothwell <sfr@canb.auug.org.au>,
linux-next@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [BUG] sleeping function called from invalid context at ./include/linux/sched/mm.h:321
Date: Tue, 13 May 2025 09:39:45 +0200 [thread overview]
Message-ID: <87o6vxj6wu.ffs@tglx> (raw)
In-Reply-To: <a5c939c4-b123-4b2f-8a22-130e508cbcce@paulmck-laptop>
On Mon, May 12 2025 at 16:47, Paul E. McKenney wrote:
> I ran this on x86 with clang version 19.1.7 (CentOS 19.1.7-1.el9).
>
> See below for the full splat. The TINY02 and SRCU-T scenarios are unique
> in setting both CONFIG_SMP=n and CONFIG_PROVE_LOCKING=y.
>
> Bisection converges here:
>
> c836e5a70c59 ("genirq/chip: Rework irq_set_msi_desc_off()")
>
> The commit reverts cleanly, but results in the following build error:
>
> kernel/irq/chip.c:98:26: error: call to undeclared function 'irq_get_desc_lock'
>
> Thoughts?
Smells like what the top commit of the irq/core branch fixes:
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=irq/core
next prev parent reply other threads:[~2025-05-13 7:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-12 23:47 Paul E. McKenney
2025-05-13 7:39 ` Thomas Gleixner [this message]
2025-05-13 17:01 ` Paul E. McKenney
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