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 A7E3CC6FA8B for ; Fri, 16 Sep 2022 09:24:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230104AbiIPJYa (ORCPT ); Fri, 16 Sep 2022 05:24:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229585AbiIPJY1 (ORCPT ); Fri, 16 Sep 2022 05:24:27 -0400 Received: from mail-yw1-x112a.google.com (mail-yw1-x112a.google.com [IPv6:2607:f8b0:4864:20::112a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07B7667CB8 for ; Fri, 16 Sep 2022 02:24:25 -0700 (PDT) Received: by mail-yw1-x112a.google.com with SMTP id 00721157ae682-3454e58fe53so252798777b3.2 for ; Fri, 16 Sep 2022 02:24:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date; bh=ICLxIYLKXePaeX7uqOrK23uRDuhGBueBgNNfHGZTbYo=; b=iKuPoaJFZuGpISn2LNxjPZDTYltZp2yYz7EjsSDOTMSrsmWKISyQWE+8R0W3Noaxdh J67WD0GhPNbs2ZfwpPxNgbFMM4v//+o2m6W92oNOWGoQp8Pm2HMq1js5UI1sFo87fUI9 MvqGeHVFn9D1YGWApSlPSYmnXrGlHwaLfjdQFN0BwObXO3DUgO3RrA6T3xaQqEPGLzXQ 0EXws5GnRh/SMbPaMkkyLZ+getRmmxwYdyMEUYQYwgzjcGGlv3ejcfImrZFEFoXl2eih RHAeAef5dhW/OI5ZfMGUohaRMTire37kk8EJdr2qZumLOUhrmXM2g5T6Apj/GBOEG16z rgaA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date; bh=ICLxIYLKXePaeX7uqOrK23uRDuhGBueBgNNfHGZTbYo=; b=OhM779S3C31sgrLV6ueMEXgGnVt+Ux8L2K+oY0Ua20pYZGXxfIr3XF9sJmDcW/b1Fr ANyw9XZmREHKus1J1mCP17i0wm9tmVk3BQAB+8x04iJiv05W0J/EmRiDVyI5+B9BUfCG sLTT6oASZ52MS6magfn3ukLH49jMI86AhNR8x/9R7SDdMPScaURwnb8Zz2EhNi5gRFhn COXKQ7GRPMAJhmq7EIgETGx+SHWGbHu1iXcZS8c7wSp37crk9bS7VIveZhCPxQycBg9G Na7JfjboTRBMmXat8mU9ptUWR6X5luaeMhWJ07TYocK2jcAF5s17ExFHO1Ts2rfd5cZt vouw== X-Gm-Message-State: ACrzQf2pB3Z4S4OgbwLhuH3HGOn0E/yFoDPFc+0PpF02cG9ZLuS/1+98 noz/CTGvDcWGYSZFthHcpyp+dGYo4YRdPQlUj2igKA== X-Google-Smtp-Source: AMsMyM4IEyu4SELoiPZYqJXqFSsxD8xWUmDmdqx1BOynAfW+NapM9J/HLecVe0kFGIteirFbOOlJXPKdVbsta53L3Cs= X-Received: by 2002:a0d:d64b:0:b0:345:2455:a1c with SMTP id y72-20020a0dd64b000000b0034524550a1cmr3593259ywd.295.1663320264035; Fri, 16 Sep 2022 02:24:24 -0700 (PDT) MIME-Version: 1.0 References: <20220909095811.2166073-1-glider@google.com> <20220909095811.2166073-2-glider@google.com> In-Reply-To: <20220909095811.2166073-2-glider@google.com> From: Alexander Potapenko Date: Fri, 16 Sep 2022 11:23:47 +0200 Message-ID: Subject: Re: [PATCH -next 2/2] crypto: x86: kmsan: disable accelerated configs in KMSAN builds To: Stephen Rothwell Cc: Andrew Morton , Eric Biggers , Herbert Xu , Robert Elliott , Linux Crypto List , LKML , linux-next , Alexander Potapenko Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Hi Stephen, Please use this patch to replace "crypto: x86: kmsan: disable accelerated configs in KMSAN builds" when merging linux-mm into linux-next (assuming arch/x86/crypto/Kconfig is still in -next). On Fri, Sep 9, 2022 at 11:58 AM Alexander Potapenko wro= te: > > KMSAN is unable to understand when initialized values come from assembly. > Disable accelerated configs in KMSAN builds to prevent false positive > reports. > > Signed-off-by: Alexander Potapenko > Cc: Andrew Morton > Cc: Eric Biggers > Cc: Herbert Xu > Cc: Robert Elliott > Cc: Stephen Rothwell > Cc: linux-crypto@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Cc: linux-next@vger.kernel.org > --- > crypto/Kconfig | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/crypto/Kconfig b/crypto/Kconfig > index 40423a14f86f5..4a2915bd40d1f 100644 > --- a/crypto/Kconfig > +++ b/crypto/Kconfig > @@ -1430,7 +1430,9 @@ endif > if SPARC > source "arch/sparc/crypto/Kconfig" > endif > -if X86 > +# KMSAN is unable to understand when initialized values come from assemb= ly. > +# Disable accelerated configs to prevent false positive reports. > +if X86 && !KMSAN > source "arch/x86/crypto/Kconfig" > endif > > -- > 2.37.2.789.g6183377224-goog > --=20 Alexander Potapenko Software Engineer Google Germany GmbH Erika-Mann-Stra=C3=9Fe, 33 80636 M=C3=BCnchen Gesch=C3=A4ftsf=C3=BChrer: Paul Manicle, Liana Sebastian Registergericht und -nummer: Hamburg, HRB 86891 Sitz der Gesellschaft: Hamburg