linux-kernel - Re: [PATCH v1 0/4] ALSA: compress_offload: Add 64-bit safe timestamp API

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Message-ID: <aHZLvVnNiBcqXdXG@vaman>
Date: Tue, 15 Jul 2025 18:08:21 +0530
From: Vinod Koul <vkoul@...nel.org>
To: George Verhaegen <verhaegen@...gle.com>
Cc: Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Charles Keepax <ckeepax@...nsource.cirrus.com>,
	Richard Fitzgerald <rf@...nsource.cirrus.com>,
	David Rhodes <david.rhodes@...rus.com>,
	Cezary Rojewski <cezary.rojewski@...el.com>,
	Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
	Bard Liao <yung-chuan.liao@...ux.intel.com>,
	Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
	Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
	Pierre-Louis Bossart <pierre-louis.bossart@...ux.dev>,
	Srinivas Kandagatla <srini@...nel.org>,
	Daniel Baluta <daniel.baluta@....com>,
	Orson Zhai <orsonzhai@...il.com>,
	Baolin Wang <baolin.wang@...ux.alibaba.com>,
	Chunyan Zhang <zhang.lyra@...il.com>,
	Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
	Masami Hiramatsu <mhiramat@...nel.org>, kernel-team@...roid.com,
	linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org,
	patches@...nsource.cirrus.com, linux-arm-msm@...r.kernel.org,
	sound-open-firmware@...a-project.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v1 0/4] ALSA: compress_offload: Add 64-bit safe timestamp
 API

On 11-07-25, 14:58, George Verhaegen wrote:
> On Fri, 11 Jul 2025 at 13:34, Vinod Koul <vkoul@...nel.org> wrote:

> > Please share patches for tinycompress support too, we need those to test
> > this
> 
> I didn't make changes to tinycompress. The overflow happens in the
> kernel file compress_offload.c. As a test, I let it run for more than
> 3.1 hours and observed that the overflow no longer occurs.
> The overflow is in
> stream->runtime->total_bytes_transferred = tstamp->copied_total

You need to add support for new ioctl in tinycompress too

-- 
~Vinod