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=-5.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 D5CC2CA9EAC for ; Sat, 19 Oct 2019 03:20:51 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 976DC22466 for ; Sat, 19 Oct 2019 03:20:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="tRzRuQyH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 976DC22466 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 47BA78E0020; Fri, 18 Oct 2019 23:20:51 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 42B2F8E0003; Fri, 18 Oct 2019 23:20:51 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 369218E0020; Fri, 18 Oct 2019 23:20:51 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0057.hostedemail.com [216.40.44.57]) by kanga.kvack.org (Postfix) with ESMTP id 16EDD8E0003 for ; Fri, 18 Oct 2019 23:20:51 -0400 (EDT) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id C0E334DB0 for ; Sat, 19 Oct 2019 03:20:50 +0000 (UTC) X-FDA: 76059082260.17.tiger87_24476d8cc033c X-HE-Tag: tiger87_24476d8cc033c X-Filterd-Recvd-Size: 2671 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf41.hostedemail.com (Postfix) with ESMTP for ; Sat, 19 Oct 2019 03:20:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To: Subject:Sender:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=IHJP4PIzwPoUhM/hmbdJ2s9U4Q68wXFd1ghpmEy6Psg=; b=tRzRuQyHWXNbe8I9dVXU/x260 OqH4hdaH2YypUHhr7OFCQvRR116XV4jI0k7YEulAkDE1UNZqdQg/DQKNnloNvD/N/TlAKv5Fo8lIu 0MgryZNbRTKh26QYS6x2xprl0lBmETXgohQQEo2vG04uq7CnpwQ+f2Qu3VGJRyIP7zNm4AJTGmM/+ r2Y0j6hnBxalQtQoY0V9Kq62cwJ9CJ988ndocI93tTu30ViKXACcElofaN2IPZStExIBf3obUPZwS 8AKrHQIWO23teMxXtc60ZQG/dam4QphD/TQrAb5F4P8p/BgcYyu1RG9w3tduCxmybBAhulY0n6gc+ yUSlJubcg==; Received: from [2601:1c0:6280:3f0::9ef4] by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1iLfIK-0000eE-OB; Sat, 19 Oct 2019 03:20:44 +0000 Subject: Re: [PATCH RFC v1 26/26] net: kasan: kmsan: support CONFIG_GENERIC_CSUM on x86, enable it for KASAN/KMSAN To: glider@google.com Cc: Arnd Bergmann , Michal Simek , Andrey Ryabinin , Vegard Nossum , Dmitry Vyukov , linux-mm@kvack.org References: <20191018094304.37056-1-glider@google.com> <20191018094304.37056-27-glider@google.com> From: Randy Dunlap Message-ID: <70388840-258b-7506-bb3e-41e2aaa1267b@infradead.org> Date: Fri, 18 Oct 2019 20:20:43 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: <20191018094304.37056-27-glider@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, On 10/18/19 2:43 AM, glider@google.com wrote: > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 6d2b0fb3a871..dfec655d1a7a 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -272,6 +272,11 @@ config GENERIC_ISA_DMA > def_bool y > depends on ISA_DMA_API > > +config GENERIC_CSUM > + bool > + default y if KMSAN || KASAN > + default n Drop the "default n". It's already the default default and we prefer not to repeat the default default. > + > config GENERIC_BUG > def_bool y > depends on BUG ta. -- ~Randy