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=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 C6BE2C43603 for ; Thu, 5 Dec 2019 17:02:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 976FE2464F for ; Thu, 5 Dec 2019 17:02:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="L5+Uiq2f" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729866AbfLERCc (ORCPT ); Thu, 5 Dec 2019 12:02:32 -0500 Received: from mail-pj1-f66.google.com ([209.85.216.66]:45980 "EHLO mail-pj1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726028AbfLERCc (ORCPT ); Thu, 5 Dec 2019 12:02:32 -0500 Received: by mail-pj1-f66.google.com with SMTP id r11so1519857pjp.12; Thu, 05 Dec 2019 09:02:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=RHJUr25kmF0qaYU7XKGZXFCAi/6myqgpNnO6bM9rpxM=; b=L5+Uiq2fJf9wLrh4uFUX4gkocBD981uCeSyNPfIDjEGLN/kecQt+wcVhm2ep+Rko/K tmUMtdeYAnBC0evxnBY1PPe+z0wLKQ1Us9HByNAh+Meoq50XRy60rf2ttT4ETiRGwZa3 fjD0KGxjsQe1qWyY7Mo8MJ3IWxhoB4A5gn4Yfa6iAjatYg/r9oAjFHzVIDcGmp4TAFaa e9fxgGokX3nAchueZh0aU/EktPP8ItgZFUKKKbhCr46eI0h5ICQ6a/A/RSqSa2Hoh6BM XLqH2QnwE9XlVM1NADp+zGA7ukChsm6gL3P6l4vZeD9b6zXQ+pQDWd+0nlNnGyQp81Ki +pLg== 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:content-transfer-encoding; bh=RHJUr25kmF0qaYU7XKGZXFCAi/6myqgpNnO6bM9rpxM=; b=azG+XOWzYEtxEPcYjc/CqaJ31HVQlL3Nlddjx1HGfASlYTWdLtPAYaF+cqhGcrslnM oVB5S1ymZldH1LvVUm0vYBH6yL//qgSTHcNLVhE+a27j46crePRQZDHYEyI+KOhh2uOz /ntX2v6yA9T8OakkT5B8ZvVz7gtRklvq8TNZ88jV2zIdxfSXO450D1EnXbAdLr90/zuj 9hEO0IM/+NMooQjjP7z8o9kZx3tWkL2YNwVPcMcAD56iadyKOs+Xfa7OJGgmAZiZ426I Zrm6LpNvE6+99NWddfGwdeFQKH4Cx+S7GAW00zDTY1GRuh+JG2t/Y3NUyXCPxsiqdt0w CAIQ== X-Gm-Message-State: APjAAAUpUORyZhK/XEKZ/Jg+2DqmfrTTp0Yj9yibMyAxu9SNJhdDcxcV 6wxS81tULfBD9HtcqnslEcVywYw4UAsYO1tp2P4= X-Google-Smtp-Source: APXvYqyqsP8cdWdeG0WdYWRvw2EMbPgQ0l70RUvop0SBX/Tfn6fSQWhKNdYN4BdFG5NCz7YeW1Qe256CHYvKJFjqM1g= X-Received: by 2002:a17:90a:c68f:: with SMTP id n15mr10539320pjt.20.1575565351311; Thu, 05 Dec 2019 09:02:31 -0800 (PST) MIME-Version: 1.0 References: <20191204155941.17814-1-brgl@bgdev.pl> In-Reply-To: From: Andy Shevchenko Date: Thu, 5 Dec 2019 19:02:21 +0200 Message-ID: Subject: Re: [PATCH v2 10/11] gpiolib: add new ioctl() for monitoring changes in line info To: Bartosz Golaszewski Cc: Bartosz Golaszewski , Kent Gibson , Linus Walleij , "open list:GPIO SUBSYSTEM" , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On Thu, Dec 5, 2019 at 3:47 PM Bartosz Golaszewski wrote: > czw., 5 gru 2019 o 11:27 Andy Shevchenko napi= sa=C5=82(a): > > On Thu, Dec 5, 2019 at 11:42 AM Bartosz Golaszewski > > wrote: > > > =C5=9Br., 4 gru 2019 o 23:34 Andy Shevchenko napisa=C5=82(a): > > > > On Wed, Dec 4, 2019 at 6:03 PM Bartosz Golaszewski = wrote: > > So, the test cases, I can imagine of, should include (k - kernel, u - u= ser): > > - 64k-64u: LE and BE > > - 64k-32u: LE and BE > > - 32k-32u: LE and BE > > I usually use qemu VMs built with yocto for testing but I don't see > any way of creating a 32-bit user-space with 64-bit kernel. Any ideas > on how to prepare a testing environment? In my case it's very easy. I do - compile kernel as 64-bit separately; - compile initramfs of Buildroot distro with external kernel build provided= . That's setup in which I observed the issue. --=20 With Best Regards, Andy Shevchenko