From: Takashi Iwai <tiwai@suse.de>
To: Eugeniu Rosca <erosca@de.adit-jv.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>,
Vinod Koul <vkoul@kernel.org>, Mark Brown <broonie@kernel.org>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
<alsa-devel@alsa-project.org>, <linux-kernel@vger.kernel.org>,
Jiada Wang <jiada_wang@mentor.com>,
Dean Jenkins <Dean_Jenkins@mentor.com>,
Andreas Pape <apape@de.adit-jv.com>,
Eugeniu Rosca <roscaeugeniu@gmail.com>
Subject: Re: [PATCH] ALSA: dmaengine: increment buffer pointer atomically
Date: Tue, 27 Sep 2022 08:55:30 +0200 [thread overview]
Message-ID: <87bkr1gvbx.wl-tiwai@suse.de> (raw)
In-Reply-To: <1664211493-11789-1-git-send-email-erosca@de.adit-jv.com>
On Mon, 26 Sep 2022 18:58:13 +0200,
Eugeniu Rosca wrote:
>
> From: Andreas Pape <apape@de.adit-jv.com>
>
> Setting pointer and afterwards checking for wraparound leads
> to the possibility of returning the inconsistent pointer position.
>
> This patch increments buffer pointer atomically to avoid this issue.
>
> Fixes: e7f73a1613567a ("ASoC: Add dmaengine PCM helper functions")
> Signed-off-by: Andreas Pape <apape@de.adit-jv.com>
> Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Thanks, applied.
Takashi
WARNING: multiple messages have this Message-ID (diff)
From: Takashi Iwai <tiwai@suse.de>
To: Eugeniu Rosca <erosca@de.adit-jv.com>
Cc: alsa-devel@alsa-project.org, Lars-Peter Clausen <lars@metafoo.de>,
Eugeniu Rosca <roscaeugeniu@gmail.com>,
Jiada Wang <jiada_wang@mentor.com>,
linux-kernel@vger.kernel.org, Takashi Iwai <tiwai@suse.com>,
Dean Jenkins <Dean_Jenkins@mentor.com>,
Vinod Koul <vkoul@kernel.org>, Mark Brown <broonie@kernel.org>,
Andreas Pape <apape@de.adit-jv.com>
Subject: Re: [PATCH] ALSA: dmaengine: increment buffer pointer atomically
Date: Tue, 27 Sep 2022 08:55:30 +0200 [thread overview]
Message-ID: <87bkr1gvbx.wl-tiwai@suse.de> (raw)
In-Reply-To: <1664211493-11789-1-git-send-email-erosca@de.adit-jv.com>
On Mon, 26 Sep 2022 18:58:13 +0200,
Eugeniu Rosca wrote:
>
> From: Andreas Pape <apape@de.adit-jv.com>
>
> Setting pointer and afterwards checking for wraparound leads
> to the possibility of returning the inconsistent pointer position.
>
> This patch increments buffer pointer atomically to avoid this issue.
>
> Fixes: e7f73a1613567a ("ASoC: Add dmaengine PCM helper functions")
> Signed-off-by: Andreas Pape <apape@de.adit-jv.com>
> Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Thanks, applied.
Takashi
next prev parent reply other threads:[~2022-09-27 6:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-26 16:58 [PATCH] ALSA: dmaengine: increment buffer pointer atomically Eugeniu Rosca
2022-09-26 16:58 ` Eugeniu Rosca
2022-09-27 6:55 ` Takashi Iwai [this message]
2022-09-27 6:55 ` Takashi Iwai
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