linux-kernel - Re: [PATCH v2 2/8] docs: dma-api: replace consistent with coherent

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Message-ID: <eeaf9f80-7b84-4133-a2c2-be2e9c1e97c9@infradead.org>
Date: Sat, 28 Jun 2025 11:57:36 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: Petr Tesarik <ptesarik@...e.com>, Jonathan Corbet <corbet@....net>,
 Robin Murphy <robin.murphy@....com>,
 Marek Szyprowski <m.szyprowski@...sung.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>, Keith Busch
 <kbusch@...nel.org>, Jens Axboe <axboe@...nel.dk>,
 Bagas Sanjaya <bagasdotme@...il.com>,
 "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
 open list <linux-kernel@...r.kernel.org>,
 "open list:MEMORY MANAGEMENT" <linux-mm@...ck.org>, iommu@...ts.linux.dev
Subject: Re: [PATCH v2 2/8] docs: dma-api: replace consistent with coherent



On 6/27/25 3:10 AM, Petr Tesarik wrote:
> For consistency, always use the term "coherent" when talking about memory
> that is not subject to CPU caching effects. The term "consistent" is a
> relic of a long-removed PCI DMA API (pci_alloc_consistent() and
> pci_free_consistent() functions).
> 
> Signed-off-by: Petr Tesarik <ptesarik@...e.com>

Tested-by: Randy Dunlap <rdunlap@...radead.org>

Thanks.

> ---
>  Documentation/core-api/dma-api-howto.rst | 36 ++++++++++++------------
>  Documentation/core-api/dma-api.rst       | 14 ++++-----
>  mm/dmapool.c                             |  6 ++--
>  3 files changed, 28 insertions(+), 28 deletions(-)

-- 
~Randy