linux-kernel - Re: [BUG] -next lockdep invalid wait context

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Message-ID: <20241031072136.JxDEfP5V@linutronix.de>
Date: Thu, 31 Oct 2024 08:21:36 +0100
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: "Paul E. McKenney" <paulmck@...nel.org>
Cc: Marco Elver <elver@...gle.com>, Vlastimil Babka <vbabka@...e.cz>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	kasan-dev@...glegroups.com, linux-mm@...ck.org,
	sfr@...b.auug.org.au, longman@...hat.com, boqun.feng@...il.com,
	cl@...ux.com, penberg@...nel.org, rientjes@...gle.com,
	iamjoonsoo.kim@....com, akpm@...ux-foundation.org
Subject: Re: [BUG] -next lockdep invalid wait context

On 2024-10-30 16:10:58 [-0700], Paul E. McKenney wrote:
> 
> So I need to avoid calling kfree() within an smp_call_function() handler?

Yes. No kmalloc()/ kfree() in IRQ context.

> 							Thanx, Paul

Sebastian