linux-kernel - Re: [PATCH] ASoC: SOF: amd: Fix locking in ACP IRQ handler

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Message-ID: <ZcX57PGUn5cABns1@finisterre.sirena.org.uk>
Date: Fri, 9 Feb 2024 10:09:48 +0000
From: Mark Brown <broonie@...nel.org>
To: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
	Bard Liao <yung-chuan.liao@...ux.intel.com>,
	Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
	Daniel Baluta <daniel.baluta@....com>,
	Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
	Venkata Prasad Potturu <venkataprasad.potturu@....com>,
	sound-open-firmware@...a-project.org, linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel@...labora.com
Subject: Re: [PATCH] ASoC: SOF: amd: Fix locking in ACP IRQ handler

On Fri, Feb 09, 2024 at 01:43:14AM +0200, Cristian Ciocaltea wrote:

> 1707255557.133976 kernel: BUG: sleeping function called from invalid context at include/linux/sched/mm.h:315
> 1707255557.134068 kernel: in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 502, name: irq/66-AudioDSP
> 1707255557.134089 kernel: preempt_count: 1, expected: 0

Please think hard before including complete backtraces in upstream
reports, they are very large and contain almost no useful information
relative to their size so often obscure the relevant content in your
message. If part of the backtrace is usefully illustrative (it often is
for search engines if nothing else) then it's usually better to pull out
the relevant sections.

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