From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Vinod Koul <vkoul@kernel.org>
Cc: dmaengine@vger.kernel.org, Frank Li <Frank.Li@kernel.org>,
Koichiro Den <den@valinux.co.jp>
Subject: Re: [PATCH] docs: dmaengine: clarify ordering rules around cookie completion
Date: Fri, 9 Oct 2026 15:40:57 +0200 [thread overview]
Message-ID: <asju6IYOe5BHcslj@shikoro> (raw)
In-Reply-To: <20261009093745.539924-1-vkoul@kernel.org>
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On Fri, Oct 09, 2026 at 11:37:44AM +0200, Vinod Koul wrote:
> Sashiko pointed in [1] about the cookie completion order. It is good to
> Document that for ensuring that dma buffer is flushed and no stale data
> is seeing by consumer, we need to make sure such action is taken before
> drivers invoke dma cookie completion.
>
> [1]: https://lore.kernel.org/r/20260917072507.5BDB61F000FF@smtp.kernel.org
>
> Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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next prev parent reply other threads:[~2026-10-09 13:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-09 9:37 [PATCH] docs: dmaengine: clarify ordering rules around cookie completion Vinod Koul
2026-10-09 9:40 ` sashiko-bot
2026-10-09 13:40 ` Wolfram Sang [this message]
2026-10-09 16:15 ` Dave Jiang
2026-10-09 19:05 ` Frank Li
2026-10-11 20:31 ` Vinod Koul
2026-10-11 20:38 ` Vinod Koul
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