From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB103C43461 for ; Fri, 16 Apr 2021 17:20:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CCE63613BB for ; Fri, 16 Apr 2021 17:20:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240562AbhDPRU0 (ORCPT ); Fri, 16 Apr 2021 13:20:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239551AbhDPRUZ (ORCPT ); Fri, 16 Apr 2021 13:20:25 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE4D2C061574; Fri, 16 Apr 2021 10:20:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=qtFH6oX6Y+CwqvrP/eQqVHnQ1PKWRZm3CzmPeAWkwAI=; b=CU1DqCCedeq/zg3pQfBZolrwAU yFOgerIhd8McekZBRINHRmWhl34iaHhBFnKhdVl1Olk3svEbYwI4vlrpOg2FZ4W/w8dZb1L25atBv SxD5ABTQY0sAGwzRacDl84wZb+LrvIFH6UbZfgEJMxAFLKD4zRuJVaNFXk1F/2815M6Fnyq5pMHf0 YZcvPZPAstxePMKnrcYjjGdZjSYJLvk2thgI40wwkGARPtwd/4pFlvLRO7F/spVymYyFUZdK0CM1z gR6nUjfiM0ArMxc1ZNI75IJMe6K7T5iPuDZ37EYtTdd4OivGozKr/xQdAJg9CqvPo2oGFKXuznKPG aUp7fSeg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lXS7F-00AEhj-Kj; Fri, 16 Apr 2021 17:18:59 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 2F1A0300209; Fri, 16 Apr 2021 19:18:49 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 02C1424C0E77F; Fri, 16 Apr 2021 19:18:48 +0200 (CEST) Date: Fri, 16 Apr 2021 19:18:48 +0200 From: Peter Zijlstra To: Miguel Ojeda Cc: Willy Tarreau , Wedson Almeida Filho , Miguel Ojeda , Linus Torvalds , Greg Kroah-Hartman , rust-for-linux@vger.kernel.org, Linux Kbuild mailing list , Linux Doc Mailing List , linux-kernel Subject: Re: [PATCH 00/13] [RFC] Rust support Message-ID: References: <20210414184604.23473-1-ojeda@kernel.org> <20210416161444.GA10484@1wt.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: rust-for-linux@vger.kernel.org On Fri, Apr 16, 2021 at 07:10:17PM +0200, Miguel Ojeda wrote: > Of course, UB is only a subset of errors, but it is a major one, and > particularly critical for privileged code. I've seen relatively few UBSAN warnings that weren't due to UBSAN being broken.