linux-kernel - Re: [PATCH] dma-mapping: fix direction in dma

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Message-ID: <9505e149-29e3-4fc2-ac71-898e88492667@samsung.com>
Date: Fri, 3 Oct 2025 09:00:13 +0200
From: Marek Szyprowski <m.szyprowski@...sung.com>
To: Petr Tesarik <ptesarik@...e.com>, Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>, Mathieu Desnoyers
	<mathieu.desnoyers@...icios.com>, Sean Anderson <sean.anderson@...ux.dev>,
	Robin Murphy <robin.murphy@....com>
Cc: linux-trace-kernel@...r.kernel.org, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dma-mapping: fix direction in dma_alloc direction
 traces

On 01.10.2025 08:10, Petr Tesarik wrote:
> Set __entry->dir to the actual "dir" parameter of all trace events
> in dma_alloc_class. This struct member was left uninitialized by
> mistake.
>
> Signed-off-by: Petr Tesarik <ptesarik@...e.com>
> Fixes: 3afff779a725 ("dma-mapping: trace dma_alloc/free direction")

Applied to dma-mapping-for-next (for v6.18-rc1) branch. Thanks!

> ---
>   include/trace/events/dma.h | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/include/trace/events/dma.h b/include/trace/events/dma.h
> index d8ddc27b6a7c8..945fcbaae77e9 100644
> --- a/include/trace/events/dma.h
> +++ b/include/trace/events/dma.h
> @@ -134,6 +134,7 @@ DECLARE_EVENT_CLASS(dma_alloc_class,
>   		__entry->dma_addr = dma_addr;
>   		__entry->size = size;
>   		__entry->flags = flags;
> +		__entry->dir = dir;
>   		__entry->attrs = attrs;
>   	),
>   

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland