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[34.90.227.64]) by smtp.gmail.com with ESMTPSA id i13-20020a170906444d00b00722eeb368cesm5652978ejp.64.2022.06.27.17.32.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jun 2022 17:32:37 -0700 (PDT) Date: Tue, 28 Jun 2022 00:32:33 +0000 From: Wedson Almeida Filho To: Peter Zijlstra Cc: Tejun Heo , Linus Torvalds , "Eric W. Biederman" , Christian Brauner , Petr Mladek , Lai Jiangshan , Michal Hocko , Linux Kernel Mailing List , Thomas Gleixner , Ingo Molnar , Andrew Morton , Oleg Nesterov Subject: Re: [PATCH 3/3] kthread: Stop abusing TASK_UNINTERRUPTIBLE (INCOMPLETE) Message-ID: References: <87ilonuti2.fsf_-_@email.froward.int.ebiederm.org> <871qvbutex.fsf_-_@email.froward.int.ebiederm.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-17.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE,USER_IN_DEF_DKIM_WL,USER_IN_DEF_SPF_WL autolearn=ham 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 On Tue, Jun 28, 2022 at 12:06:29AM +0200, Peter Zijlstra wrote: > On Mon, Jun 27, 2022 at 06:04:12PM +0000, Wedson Almeida Filho wrote: > > > let new_thread = task::new_paused(|| pr_info!("Hello world\n"))?; > > I'm still having a really hard time with this Rust stuff, the above > looks like a syntax error and random characters to me :/ Peter, I meant to ask in my previous email: setting aside the syntax for a moment, do you have an opinion on the sort of things that Rust allows us to enforce at compile time (as exemplified in the new_paused() fragment)?