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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 411F6CA9ECA for ; Fri, 18 Oct 2019 00:57:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1A58121D7C for ; Fri, 18 Oct 2019 00:57:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="BSDRVgdO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2439187AbfJRA4p (ORCPT ); Thu, 17 Oct 2019 20:56:45 -0400 Received: from mail-pl1-f195.google.com ([209.85.214.195]:38441 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726259AbfJRA4p (ORCPT ); Thu, 17 Oct 2019 20:56:45 -0400 Received: by mail-pl1-f195.google.com with SMTP id w8so1979019plq.5 for ; Thu, 17 Oct 2019 17:56:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=piordRZ1nU8k7NcSWkmMDNrtoXqPkolhwk8bUAWjXiM=; b=BSDRVgdOVbMgXeh+wBCQNm2nwqNZsUaduoldjj3vYu1tLADexMs8j3VaxJVfmgst+e sV8wMsOtkRhLkKnMpzwoXhCs4cRQwA0rVUc93yBpJTk7lhcFKcs5ZBahgS8R6KZbVC7p FwvkiLECClqget1obmNExStAR5XqHOQBRifXbjGponSIy951t5Uvk7OrweyfXTKXyXiI M9+mK2kWd4yIIfDjvKfvEW17xjLqAfKsFvJ9h5UCSAVxnm8nojzgLizlC9k/UdBVzOy+ Nj530dsX/dc0jfNbzSB7uO3pUPKbIuLbtmBV9q5JZzMAljIhLX/PRqrshhEhti42jpsH l/Vw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=piordRZ1nU8k7NcSWkmMDNrtoXqPkolhwk8bUAWjXiM=; b=ZmE5vF7el1pHcsUc8foCUEVdRdJrewHyuu2vKbUGtNJNdmyy2drMCkl5m7I9nqF7qg xcG66q8gAvzzKwUbzO38SEK+xKqkEWNygTiLOqWmc+nLYLfJJXMC/Tcl4dkIdQsS58oo slwSGsmjqY3xi6LIslnBIZqvSRN9ic8ttUWrUMT14JFzebjMzy5ydRp3D660jhQknfdP i074FR7c1lxpxREog+X95T8K9x89iJAr+o+b3OUWBUcJqlsTpNUrenyhG7TgRYhpOWiE SSSUEQLbMIqmkwrckhXNSOYyuLiE49wZRLptWcY1iaKDTs05NKieWcZezWWiz8wqAQUl FIiw== X-Gm-Message-State: APjAAAWujlRBDJ7I3y3RFOu8qIIuUlynR/tqYYYNmxKVEvwwhgK5JblU 8+hHfC8BMZs49bJqw/+8cG4rjgSRLfJrJw== X-Google-Smtp-Source: APXvYqwn+1Qvz5kkzPB/24j6MgY8cwiKJazXYX9FwNrubcESYGgECbUV+NIUv1VED3o5/6kBL7zYEg== X-Received: by 2002:a17:902:bcc2:: with SMTP id o2mr7087913pls.281.1571360202876; Thu, 17 Oct 2019 17:56:42 -0700 (PDT) Received: from [192.168.1.188] ([66.219.217.79]) by smtp.gmail.com with ESMTPSA id h14sm3884505pfo.15.2019.10.17.17.56.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 17 Oct 2019 17:56:41 -0700 (PDT) Subject: Re: linux-next: build warning after merge of the block tree To: Stephen Rothwell Cc: Linux Next Mailing List , Linux Kernel Mailing List References: <20191018115126.6263a3e3@canb.auug.org.au> From: Jens Axboe Message-ID: <5a9bf632-2466-bc73-45d3-104c4bb0245a@kernel.dk> Date: Thu, 17 Oct 2019 18:56:39 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20191018115126.6263a3e3@canb.auug.org.au> Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org Archived-At: List-Archive: List-Post: On 10/17/19 6:51 PM, Stephen Rothwell wrote: > Hi all, > > After merging the block tree, today's linux-next build (arm > multi_v7_defconfig) produced this warning: > > fs/io_uring.c: In function 'io_accept': > fs/io_uring.c:1729:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] > 1729 | addr = (struct sockaddr __user *) READ_ONCE(sqe->addr); > | ^ > fs/io_uring.c:1730:13: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] > 1730 | addr_len = (int __user *) READ_ONCE(sqe->addr2); > | ^ > > Introduced by commit > > d674c2b9335f ("io_uring: add support for IORING_OP_ACCEPT") > > addr and addr2 are __u64 ... I'll fix these warnings up, guessing it's 32-bit? -- Jens Axboe