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 AD4E5C7619A for ; Wed, 12 Apr 2023 17:57:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229634AbjDLR5b (ORCPT ); Wed, 12 Apr 2023 13:57:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229833AbjDLR53 (ORCPT ); Wed, 12 Apr 2023 13:57:29 -0400 Received: from mail-il1-x129.google.com (mail-il1-x129.google.com [IPv6:2607:f8b0:4864:20::129]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB14D2697 for ; Wed, 12 Apr 2023 10:57:28 -0700 (PDT) Received: by mail-il1-x129.google.com with SMTP id e9e14a558f8ab-328f708b6a4so203195ab.0 for ; Wed, 12 Apr 2023 10:57:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; t=1681322248; x=1683914248; 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=M+JfcQnfDefc+Psf+afOHei8O95xNSiyrdp/ELOZ4PA=; b=3kbYTETYXAQSV9vY1gYz7myUGQ+D6nAuLpuWyAOUsSijyxQ5cMmBGmv7qogj7bwbv7 EghnWaGG6xKu+HG7xnuo+oALMNCzz9xxKQ/lPP+MNklgmgUyku8FwUWDGC6wzD5jVRCJ KHGZhl8LCvheb5pJPL04bCvI07ECn0PLLcb2PB9LK72BdAqmoL77fY6JeLmoRXYU2NZF p4lzYeBirSpT9Z8MPo04RL3EI1TmTACJQsnJDCEPJWM+WsOHly00C6PlN+ezknHc9Xpw sn+0XgJE6/HETR7nyqKpufhq3qCz9kN1P9p1lpWXaFd1cIW3sIL+R6CMnEZ7VeDkYTm8 niUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681322248; x=1683914248; 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=M+JfcQnfDefc+Psf+afOHei8O95xNSiyrdp/ELOZ4PA=; b=KxJQlvcNnP/9fyUfApx09APwXeva7wneNRPAi34lPWLWoi5iNDS2VZJHY4U8fwNSvt 6Bf5E1uqTJAXxkJVMUjGdLiVcOHVXT/L7ElsXu0I/3807OI40S3+JOgpKhAku+2YI0zz o0NziMJ+40EX9kDWS4uwPn0K3OE/CTdGDq76R5Hs9G5kK7xZbWuq1n0Oq4fSd2bXak7e jfC+qsnsW9XGAJItQNsL248xRlB1iwp5FAE3ZlRtpXsElu0DskUHKo89yuNbzj2FWCw1 7YZCniHmEuJ6cWwL5fpueC4AsS0ZFfVDTKpXG7BnWH5ZfM2E79dWJ31bowyDCJY8NDqF IEpg== X-Gm-Message-State: AAQBX9cyI99emMh/3LcREr1hZJNdKw6p61qRJv1sJX+enRo8Ut5bTsIP U1hfk9Asct75W+QlgPCngTJZewrZAKtkTQuTGlc= X-Google-Smtp-Source: AKy350Z5TOBnvkzsZq1FgaqrsbzisLEdIqlkr3eMx0gI3S0ZnzGoWTBZwMbT2Bo2IEmx3gb+uKeD0Q== X-Received: by 2002:a05:6e02:964:b0:319:5431:5d5b with SMTP id q4-20020a056e02096400b0031954315d5bmr1671496ilt.1.1681322248227; Wed, 12 Apr 2023 10:57:28 -0700 (PDT) Received: from [192.168.1.94] ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id h11-20020a056638338b00b00408df9534c9sm4913369jav.130.2023.04.12.10.57.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Apr 2023 10:57:27 -0700 (PDT) Message-ID: Date: Wed, 12 Apr 2023 11:57:27 -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 Cc: Peter Zijlstra , Stephen Rothwell , Linux Kernel Mailing List , Linux Next Mailing List References: <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> <6527c6fa-8908-1d8d-2f9e-bb7636a27874@kernel.dk> <20230412165652.umuiemo7ifnhr2nz@treble> From: Jens Axboe In-Reply-To: <20230412165652.umuiemo7ifnhr2nz@treble> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org On 4/12/23 10:56?AM, Josh Poimboeuf wrote: > On Wed, Apr 12, 2023 at 10:44:11AM -0600, Jens Axboe wrote: >> On 4/12/23 10:35?AM, Jens Axboe wrote: >>> 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. >> >> Want me to slap that patch on top of the branch that has the commit >> that causes it? > > Yes, please. Thanks! Done! -- Jens Axboe