From: Herbert Xu <herbert@gondor.apana.org.au>
To: Abdiel Janulgue <abdiel.janulgue@gmail.com>
Cc: dakr@kernel.org, lyude@redhat.com,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <benno.lossin@proton.me>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Valentin Obst" <kernel@valentinobst.de>,
"open list" <linux-kernel@vger.kernel.org>,
"Marek Szyprowski" <m.szyprowski@samsung.com>,
"Robin Murphy" <robin.murphy@arm.com>,
airlied@redhat.com, rust-for-linux@vger.kernel.org,
"open list:DMA MAPPING HELPERS" <iommu@lists.linux.dev>,
"Petr Tesarik" <petr@tesarici.cz>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Sui Jingfeng" <sui.jingfeng@linux.dev>,
"Randy Dunlap" <rdunlap@infradead.org>,
"Michael Kelley" <mhklinux@outlook.com>,
"Christoph Hellwig" <hch@infradead.org>
Subject: Re: [RFC PATCH 0/2] scatterlist rust bindings
Date: Tue, 13 May 2025 10:19:45 +0800 [thread overview]
Message-ID: <aCKsQSob4TNDZb99@gondor.apana.org.au> (raw)
In-Reply-To: <20250512095544.3334680-1-abdiel.janulgue@gmail.com>
On Mon, May 12, 2025 at 12:53:26PM +0300, Abdiel Janulgue wrote:
>
> Some questions still need to be resolved, which mostly come from
> the DeviceSGTable::dma_map() function. Primarily, what if you call
> bindings::dma_map_sgtable() on an already mapped sg_table? From my
> experiments it doesn't seem to do anything and no indication is returned if
> the call succeeded or not. Should we save the "mapping info" to a list
> everytime we call DeviceSGTable::dma_map more than once?
You should cc Christoph Hellwig on the DMA mapping API.
Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2025-05-13 2:20 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-12 9:53 Abdiel Janulgue
2025-05-12 9:53 ` [RFC PATCH 1/2] rust: add initial scatterlist bindings Abdiel Janulgue
2025-05-12 11:39 ` Daniel Almeida
2025-05-15 19:26 ` Lyude Paul
2025-05-15 21:11 ` Danilo Krummrich
2025-05-16 16:57 ` Daniel Almeida
2025-05-16 17:55 ` Danilo Krummrich
2025-05-12 16:42 ` Jason Gunthorpe
2025-05-12 20:01 ` Daniel Almeida
2025-05-12 20:10 ` Danilo Krummrich
2025-05-14 8:29 ` Alexandre Courbot
2025-05-14 12:50 ` Alexandre Courbot
2025-05-16 7:52 ` Abdiel Janulgue
2025-05-15 20:01 ` Lyude Paul
2025-05-16 7:52 ` Abdiel Janulgue
2025-05-26 13:04 ` Abdiel Janulgue
2025-05-12 9:53 ` [RFC PATCH 2/2] samples: rust: add sample code for " Abdiel Janulgue
2025-05-12 11:19 ` [RFC PATCH 0/2] scatterlist rust bindings Daniel Almeida
2025-05-14 7:00 ` Abdiel Janulgue
2025-05-14 12:12 ` Marek Szyprowski
2025-05-16 7:47 ` Abdiel Janulgue
2025-05-13 2:19 ` Herbert Xu [this message]
2025-05-13 5:50 ` Christoph Hellwig
2025-05-13 7:38 ` Petr Tesařík
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