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[2620:137:e000::1:20]) by mx.google.com with ESMTP id u16-20020a634550000000b004ff73120afbsi16340866pgk.103.2023.04.12.09.44.21; Wed, 12 Apr 2023 09:44:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel-dk.20210112.gappssmtp.com header.s=20210112 header.b=dT5k+LL0; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229492AbjDLQfJ (ORCPT + 99 others); Wed, 12 Apr 2023 12:35:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229486AbjDLQfI (ORCPT ); Wed, 12 Apr 2023 12:35:08 -0400 Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9082C4228 for ; Wed, 12 Apr 2023 09:35:06 -0700 (PDT) Received: by mail-io1-xd2c.google.com with SMTP id ca18e2360f4ac-7606d7ca422so7453539f.1 for ; Wed, 12 Apr 2023 09:35:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; t=1681317306; x=1683909306; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=mXwhsD3DtY19stQnmRdkzEChlbwq/Oy5nvoP70fEbRM=; b=dT5k+LL00Kd0kv8/3t2kAlG7Vb0P3docgHfR1Q6O7MtSbF10Fl/ju6IoRA2AK5s0hT kgVEVTQfLe8h+mEqt8A6vSRx2NcE2qrWkCtMaN7LWch36xD7OBj8JbDPXHHjycrcDQIC j6dSVwtwPNUR7FEgXe90bhr0P5X0xgEezSwuaQUaj4t/rp0GGS/sZHq2Q5ulROAlnPqd 8TEjyU7Hl+OHC7sU8fw5dOJvq4Bq/mLR3KRR406UqZIZp2R/nO5GWDwZ9wyGAbKaDAST HBDcjh/UtKnriNX6OFM7a+nCb+cnuqAyHIVNMQjT9RvXoddpdh6SmBH/peTVNaSrLHIP H3UQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681317306; x=1683909306; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=mXwhsD3DtY19stQnmRdkzEChlbwq/Oy5nvoP70fEbRM=; b=JQ4fHlVNGtrmTmH903VPFopj2/u1rl+UwolQFE31im0vzFVEVeGsRAD3XmkJX78SUv 0Hw15uTzG2qeDLWS8rnqPNzwO+Rcf1jIn2wlGTrPqTzhx67BfnV8RvlgcbO7zLlR7Kyc 0iNUgXKuHGtxOOKQqPuW4LD/AwFTx4EuCbK8eoUaH27mirl5CEFeW04T8sWxddLCW/9c CnGuF7FRDYTcqld37t2DkEBEnHysjM0QK1/i/Tq0WWXkD2MudlSR6tAsxpMLnz8tQlOE 5fMD3RZ4hc4Ojwcw0xuIoierp3Cs9R6m+PvoCVu6ygHXbFv0PDcCfI53K9ldBpn9ZH6T BMIg== X-Gm-Message-State: AAQBX9cappDpDX5qooIAfXy4Zbwe7byb5ozVG6qbDhNj4jz6/cunL/bK 92Vq2CYyt9qK6YEAgaKU9hCurw== X-Received: by 2002:a6b:cd03:0:b0:760:a66f:430f with SMTP id d3-20020a6bcd03000000b00760a66f430fmr1258813iog.1.1681317305933; Wed, 12 Apr 2023 09:35:05 -0700 (PDT) Received: from [192.168.1.94] ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id d184-20020a0262c1000000b0040ba6cc16absm3786367jac.168.2023.04.12.09.35.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Apr 2023 09:35:05 -0700 (PDT) Message-ID: <6527c6fa-8908-1d8d-2f9e-bb7636a27874@kernel.dk> Date: Wed, 12 Apr 2023 10:35:04 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: linux-next: build warnings after merge of the block tree Content-Language: en-US To: Josh Poimboeuf , Peter Zijlstra Cc: Stephen Rothwell , Linux Kernel Mailing List , Linux Next Mailing List References: <20230327120017.6bb826d7@canb.auug.org.au> <20230327162630.wmxpycxhllt4clpt@treble> <20230328104719.65133586@canb.auug.org.au> <20230412073416.73a8ea1a@canb.auug.org.au> <20230411215518.u2fgi7napfcwyuce@treble> <4959d0b8-96fe-7fe5-8b36-7e0a266d1d17@kernel.dk> <20230412001400.yraku5fwsjdchxvk@treble> <20230412114400.GB628377@hirez.programming.kicks-ass.net> <20230412162517.gji52t34zlvcu5bh@treble> From: Jens Axboe In-Reply-To: <20230412162517.gji52t34zlvcu5bh@treble> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS 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 4/12/23 10:25?AM, Josh Poimboeuf wrote: > On Wed, Apr 12, 2023 at 01:44:00PM +0200, Peter Zijlstra wrote: >> On Tue, Apr 11, 2023 at 05:14:00PM -0700, Josh Poimboeuf wrote: >> >>> Peter, what do you think, should we make track uaccess state across >>> function boundaries? >> >> So IIRC the goal was to explicitly dis-allow that. You want minimal code >> executed with STAC and hence disallow calling stuff. > > I guess I was wondering if we could make an exception for calls to > static IPA-optimized functions, so we wouldn't have to scramble to "fix" > compiler optimizations. > > But for now, yeah let's just keep it simple. > > Jens, can you confirm this works? I added __noclone instead of removing > static. Yep, works for me. -- Jens Axboe