linux-kernel - Re: [PATCH 00/14] ASoC: Constify local snd_sof_dsp

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Date: Tue, 23 Apr 2024 10:57:01 -0500
From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, 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>, Mark Brown
 <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
 Takashi Iwai <tiwai@...e.com>, Shawn Guo <shawnguo@...nel.org>,
 Sascha Hauer <s.hauer@...gutronix.de>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, Matthias Brugger
 <matthias.bgg@...il.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: sound-open-firmware@...a-project.org, linux-sound@...r.kernel.org,
 linux-kernel@...r.kernel.org, imx@...ts.linux.dev,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 00/14] ASoC: Constify local snd_sof_dsp_ops


> Are we talking about basic C now? Of course it does not mean that and I
> already explained what is the goal of this - the static or global memory
> in the driver can be moved to rodata.

the dsp_ops used by the Intel drivers cannot be moved to rodata in all
cases. the baseline is constant, all extensions for TGL+ are dynamically
allocated and modified.