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Message-ID: <2f7f0dd1-14de-428f-94ce-fa03cce313fd@linux.intel.com>
Date: Thu, 25 Apr 2024 11:12:33 -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
On 4/23/24 11:06, Krzysztof Kozlowski wrote:
> On 23/04/2024 17:57, Pierre-Louis Bossart wrote:
>>
>>> 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.
>
> Yes and these drivers will not benefit. Did I changed them here? I think
> I didn't, because then it would not compile.
So we do agree that's there's no benefit on any Intel platform released
in the last 4 years...
The CI tests [1] don't show any regression, nothing was broken on our
devices so I guess there's no further objection.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
[1] https://github.com/thesofproject/linux/pull/4949
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