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Mon, 25 Sep 2023 12:49:28 -0700 (PDT) Sender: Tejun Heo Date: Mon, 25 Sep 2023 09:49:26 -1000 From: Tejun Heo To: Alice Ryhl Cc: rust-for-linux@vger.kernel.org, Miguel Ojeda , Lai Jiangshan , Wedson Almeida Filho , Alex Gaynor , Boqun Feng , Gary Guo , =?iso-8859-1?Q?Bj=F6rn?= Roy Baron , Benno Lossin , linux-kernel@vger.kernel.org, patches@lists.linux.dev Subject: Re: [PATCH v4 0/7] rust: workqueue: add bindings for the workqueue Message-ID: References: <20230828104807.1581592-1-aliceryhl@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230828104807.1581592-1-aliceryhl@google.com> X-Spam-Status: No, score=-1.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Mon, 25 Sep 2023 12:49:33 -0700 (PDT) On Mon, Aug 28, 2023 at 10:48:00AM +0000, Alice Ryhl wrote: > This patchset contains bindings for the kernel workqueue. > > One of the primary goals behind the design used in this patch is that we > must support embedding the `work_struct` as a field in user-provided > types, because this allows you to submit things to the workqueue without > having to allocate, making the submission infallible. If we didn't have > to support this, then the patch would be much simpler. One of the main > things that make it complicated is that we must ensure that the function > pointer in the `work_struct` is compatible with the struct it is > contained within. > > The original version of the workqueue bindings was written by Wedson, > but I have rewritten much of it so that it uses the pin-init > infrastructure and can be used with containers other than `Arc`. > > This patchset depends on the patch [1] that changes `Opaque` to be > `!Unpin` for correctness. The patchset is based on the rust-6.6 tag, > since that tag includes that patch. Applied to wq/for-6.7-rust-bindings with Boqun's reviewed-by's added. Thanks. -- tejun