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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E796C43334 for ; Thu, 9 Jun 2022 19:23:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344949AbiFITXo (ORCPT ); Thu, 9 Jun 2022 15:23:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344809AbiFITXg (ORCPT ); Thu, 9 Jun 2022 15:23:36 -0400 Received: from 1wt.eu (wtarreau.pck.nerim.net [62.212.114.60]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id DEAD01F4291; Thu, 9 Jun 2022 12:23:33 -0700 (PDT) Received: (from willy@localhost) by pcw.home.local (8.15.2/8.15.2/Submit) id 259JN8D5010797; Thu, 9 Jun 2022 21:23:08 +0200 Date: Thu, 9 Jun 2022 21:23:08 +0200 From: Willy Tarreau To: Sedat Dilek Cc: Linus Torvalds , Kees Cook , keyrings@vger.kernel.org, Linux Kernel Mailing List , Salvatore Bonaccorso , David Woodhouse , David Howells , Tasmiya Nalatwad , James Bottomley Subject: Re: [Linux v5.17.9] -Wdeprecated-declarations warnings with LLVM-14 and OpenSSL v3.0.x Message-ID: <20220609192308.GB10732@1wt.eu> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 09, 2022 at 09:19:20PM +0200, Sedat Dilek wrote: > On Thu, Jun 9, 2022 at 9:05 PM Linus Torvalds > wrote: > > > > On Thu, Jun 9, 2022 at 11:41 AM Sedat Dilek wrote: > > > > > > Why go back and forth... do it like Alexander the Great and the Gordian knot. > > > > > > Sword - Swash - Done. > > > > > > commit 6bfb56e93bcef41859c2d5ab234ffd80b691be35 > > > "cert host tools: Stop complaining about deprecated OpenSSL functions" > > > > Well, it's not like that is the *right* fix. > > > > But I think for now, the answer is "leave it like that until we can > > just get rid of the ENGINE API entirely". > > > > I absolutely detest the "deprecation" warnings. We used to do that in > > the kernel too, and it was a complete disaster. The warnings are very > > noisy, and nobody ever cares about them, so it's simply not worth it. > > > > So we deprecated "__deprecated" in the kernel itself: > > > > 771c035372a0 deprecate the '__deprecated' attribute warnings > > entirely and for good > > > > and I don't think we should care about it when it comes to OpenSSL either. > > > > Eventually, that deprecated interface will go away entirely, and by > > then we hopefully don't care about really old openssl implementations > > and will have gotten rid of the uses. > > > > But for now, I think putting our head in the sand is actually the > > _better_ model rather than fighting some battle over old vs new > > libraries. > > > > Because sometimes, if you ignore a problem, it really does just go away. > > > > To be honest: I like your approach, Linus. > Very pragma-tic. > That's why you use pragma's in your patch :-). > > I invested too much of my lifetime in making things work "correctly". > And yes, it's post-rc1... > > Most of the apps in the Debian world passed the OpenSSL-v3 transition. IIRC you can also disable the deprecation warnings by defining the OPENSSL_SUPPRESS_DEPRECATED macro. It doesn't require to change the compiler's options and allows us to put our head in the sand. Willy