linux-kernel - Re: [PATCH] Documentation/core-api: correct reference to SWIOTLB

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Date: Mon, 27 May 2024 15:40:04 +0200
From: Petr Tesařík <petr@...arici.cz>
To: Lukas Bulwahn <lbulwahn@...hat.com>
Cc: Christoph Hellwig <hch@....de>, Marek Szyprowski
 <m.szyprowski@...sung.com>, Robin Murphy <robin.murphy@....com>,
 iommu@...ts.linux.dev, Michael Kelley <mhklinux@...look.com>, Bagas Sanjaya
 <bagasdotme@...il.com>, Jonathan Corbet <corbet@....net>,
 linux-doc@...r.kernel.org, kernel-janitors@...r.kernel.org,
 linux-kernel@...r.kernel.org, Lukas Bulwahn <lukas.bulwahn@...hat.com>
Subject: Re: [PATCH] Documentation/core-api: correct reference to
 SWIOTLB_DYNAMIC

On Mon, 27 May 2024 15:13:14 +0200
Lukas Bulwahn <lbulwahn@...hat.com> wrote:

> From: Lukas Bulwahn <lukas.bulwahn@...hat.com>
> 
> Commit c93f261dfc39 ("Documentation/core-api: add swiotlb documentation")
> accidentally refers to CONFIG_DYNAMIC_SWIOTLB in one place, while the
> config is actually called CONFIG_SWIOTLB_DYNAMIC.
> 
> Correct the reference to the intended config option.

Good catch!

> Signed-off-by: Lukas Bulwahn <lukas.bulwahn@...hat.com>

Reviewed-by: Petr Tesarik <petr@...arici.cz>

Petr T

> ---
>  Documentation/core-api/swiotlb.rst | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/core-api/swiotlb.rst b/Documentation/core-api/swiotlb.rst
> index 5ad2c9ca85bc..cf06bae44ff8 100644
> --- a/Documentation/core-api/swiotlb.rst
> +++ b/Documentation/core-api/swiotlb.rst
> @@ -192,7 +192,7 @@ alignment larger than PAGE_SIZE.
>  
>  Dynamic swiotlb
>  ---------------
> -When CONFIG_DYNAMIC_SWIOTLB is enabled, swiotlb can do on-demand expansion of
> +When CONFIG_SWIOTLB_DYNAMIC is enabled, swiotlb can do on-demand expansion of
>  the amount of memory available for allocation as bounce buffers. If a bounce
>  buffer request fails due to lack of available space, an asynchronous background
>  task is kicked off to allocate memory from general system memory and turn it