Received: by 2002:ac0:950c:0:0:0:0:0 with SMTP id f12csp3326068imc; Wed, 13 Mar 2019 15:03:14 -0700 (PDT) X-Google-Smtp-Source: APXvYqy3e3P9L3/w3dkVTpnqNXqRZiAjrZ/RM5aMP6L+ZOJ/vWxrzBWdWacns7IVBe2E055c186R X-Received: by 2002:a17:902:29ca:: with SMTP id h68mr3764833plb.297.1552514594566; Wed, 13 Mar 2019 15:03:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1552514594; cv=none; d=google.com; s=arc-20160816; b=BZNYNnrEi/5aea72wu8jgjbWDBRdQY66d3sEepjXeUFx9ydZABs7s1rEBD6hLR9Wqp qUJlo+PI1c9eTSq8caYgHo3AjcR4WxT6jOFh3bN5G6Jq/yPsYa96akEaty4HRFS8sjJX MZE4vjwPzxdRWyklZ92tYSGkwMNd/QAfHzNDRmCkr9EPEFwg9Z3hLZDzO6QWf/bVThtD HoM5XB2UGM5zG+YX95afBBpLXiwdHJ7OaewCOiqKXWewqozZwbxwT7/Mbu4DYeZcOm7r AJ32Oug3ebQmXUkXb0vG484YVw0Mp4PqssJqI9XsOjn1/74UquDlUci23cgeGUF1mdJe BZYw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version; bh=gnzaZMIFvG+8ej4dZ83Ov5j2OW1dyEDUrvODpUFkCzM=; b=ekE45c/VZ/BUIVlFQjkHPrLXG4rJN/Go6B3Gq6NZlI6Kt06fc172HW4h0+xyjvF5BZ xmySBwJkV8vRbPirUTe7cZ6SeGFvU8QkhaPhoPAS9dD6qB9IQW68dXgWpkB8/O8HBVJ6 g0cRY8sz1udzv4uLk1UstcMon5U4RXL3amvt+RkTyGGI94ugehULEVyxHM/HMn2/hgwU mjwLnAUMf7Sylh6cwzpYJ8nsPMZV9JSLInBnUqR/+MpSY3zFMJPMHBVgzC1WbyMLgpwj s4r+QfNrrnr/q0l2rLhXeKFw8npn8XmB64YxBi9mIUBm6XZHZkPuWYcYq9gxXTEQnB1P 6+uw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id s4si10958620pgh.540.2019.03.13.15.02.57; Wed, 13 Mar 2019 15:03:14 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726776AbfCMWCT (ORCPT + 99 others); Wed, 13 Mar 2019 18:02:19 -0400 Received: from mail-vs1-f65.google.com ([209.85.217.65]:41175 "EHLO mail-vs1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726442AbfCMWCS (ORCPT ); Wed, 13 Mar 2019 18:02:18 -0400 Received: by mail-vs1-f65.google.com with SMTP id z25so710713vsk.8 for ; Wed, 13 Mar 2019 15:02:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=gnzaZMIFvG+8ej4dZ83Ov5j2OW1dyEDUrvODpUFkCzM=; b=ijZt8H0AnTqFIEIbngwipLWZSyotEyqs+gc0CDj0H5iE9hecx95RtY2RmBh+xgBI3w 5HLWRL7/2pAh58oZRmIparpFCa6hW1yRR3S9vysezcjv428mET6xmloy+/DjnCWEv/XJ m0RRgsxJh2jDpZIYisWJaU+CcUJNYllIh/RerSRrLm/D70+EZco8TCCM8cnkenhp1B+o AiINBMViTOis9phPcRynfGGJIs+7dfu2iVyhgD7nbnOl45/p3cDpr8xHY9cfs7l3Vxnx YH4oS+niVK1KvKEglU+w8awWb0XbQOGTiRpmOqZGgMe5TRBw+OhAWbCvGuKnzLOFeNzX WpPw== X-Gm-Message-State: APjAAAXWOv8X4xBLtWoXaVTbw3F2G3QYTbu0VMxVZWRlGnfN3O8lEGKP m3S7YtdhcxwIfdTsBsr7OYbDiVNVcA0EeKysNuE= X-Received: by 2002:a67:8588:: with SMTP id h130mr23145104vsd.11.1552514537877; Wed, 13 Mar 2019 15:02:17 -0700 (PDT) MIME-Version: 1.0 References: <6e08375f-6960-546b-39a6-26ff24a0ce0e@rasmusvillemoes.dk> In-Reply-To: <6e08375f-6960-546b-39a6-26ff24a0ce0e@rasmusvillemoes.dk> From: Geert Uytterhoeven Date: Wed, 13 Mar 2019 23:02:06 +0100 Message-ID: Subject: Re: [PATCH 1/5] lib/sort: Make swap functions more generic To: Rasmus Villemoes Cc: George Spelvin , Linux Kernel Mailing List , Andrew Morton , Andrey Abramov , Daniel Wagner , Don Mullis , Dave Chinner , Andy Shevchenko Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 13, 2019 at 10:23 PM Rasmus Villemoes wrote: > On 21/02/2019 07.30, George Spelvin wrote: > > +#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS > > + (void)base; > > +#else > > + lsbits |= (unsigned int)(size_t)base; > > The kernel usually casts pointers to long or unsigned long. If some > oddball arch has size_t something other than unsigned long, this would > give a "warning: cast from pointer to integer of different size". So > just cast to unsigned long, and drop the cast to unsigned int. The proper integer equivalent of a pointer is uintptr_t, so please use that instead of size_t. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds