From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 22 May 2023 10:37:46 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1q1135-009S35-FY for lore@lore.pengutronix.de; Mon, 22 May 2023 10:37:46 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q1132-0003Pq-Qe for lore@pengutronix.de; Mon, 22 May 2023 10:37:45 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=pg9w5FIhCkzFo4e3KWQibUf/JUy6ZQBQITOaKoofW8s=; b=FIw8ZHpmx035hcnaX93BDSfHzy PvGfRHkFEJqrEJLoT8Osyd2SAP7DBqNNGEoGrkN6xqpV4WqWo7tIgBD/1d2Udq2XqVqlYRqhgvTdv 70xOKbuGMzjS+NncwYwCobjHvEEHe4DxSVeBxpamgETNn2L06vnyxmp5W/eu/Ggq7U7tzb0nI7WiR 9U0o3qdkptGkWzZX/8VN+20gjwkHeyElx+eBNp/gGkfCk/K1sMAnM6nc4dQaoIHPZ7bE1ukQq7L/D Vk31Fc22lQeJnVIvbd39PnQ+D4WotGdwmLHMklTE5AjAPxQ14Vi9Komk5ffWOzh0iIWEGSet/ZFnV fbqqBpKw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q1121-005lr7-0v; Mon, 22 May 2023 08:36:41 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q111v-005loK-34 for barebox@lists.infradead.org; Mon, 22 May 2023 08:36:39 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=[127.0.0.1]) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1q111s-0003IL-H4; Mon, 22 May 2023 10:36:32 +0200 Message-ID: <650fe72b-6e37-a97a-2665-85980c1912ed@pengutronix.de> Date: Mon, 22 May 2023 10:36:32 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 Content-Language: en-US To: Sascha Hauer Cc: barebox@lists.infradead.org References: <20230522052222.1037931-1-a.fatoum@pengutronix.de> <20230522052222.1037931-3-a.fatoum@pengutronix.de> <20230522082330.GK29365@pengutronix.de> From: Ahmad Fatoum In-Reply-To: <20230522082330.GK29365@pengutronix.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230522_013635_986213_8EF2F7CB X-CRM114-Status: GOOD ( 21.31 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH master 3/7] ARM: configs: temporarily revive vexpress_defconfig X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) On 22.05.23 10:23, Sascha Hauer wrote: > On Mon, May 22, 2023 at 07:22:18AM +0200, Ahmad Fatoum wrote: >> Vexpress and the Qemu ARM Virt platform have a memory-mapped flash >> starting at physical address 0. This clashes with the zero page used to >> trap NULL pointer accesses when MMU is enabled. For this reason, >> vexpress_defconfig disabled the MMU. vexpress_defconfig was removed in >> favor of multi_v7_defconfig, but the latter enables the MMU, breaking >> the ability to test barebox environment and state out of the box. >> >> Patches to resolve that are being upstreamed, so until they are, let's >> reinstate vexpress_defconfig. >> >> Signed-off-by: Ahmad Fatoum >> --- >> Documentation/user/virtio.rst | 2 +- >> arch/arm/configs/vexpress_defconfig | 76 +++++++++++++++++++++++++++++ >> 2 files changed, 77 insertions(+), 1 deletion(-) >> create mode 100644 arch/arm/configs/vexpress_defconfig >> >> diff --git a/Documentation/user/virtio.rst b/Documentation/user/virtio.rst >> index a8624649f473..d944fa4821b1 100644 >> --- a/Documentation/user/virtio.rst >> +++ b/Documentation/user/virtio.rst >> @@ -44,7 +44,7 @@ Building barebox for QEMU targets is no different from others. >> For example, we can do the following with the CROSS_COMPILE environment >> variable being properly set to a working toolchain for ARM:: >> >> - $ make multi_v7_defconfig >> + $ make vexpress_defconfig >> $ make >> >> Testing >> diff --git a/arch/arm/configs/vexpress_defconfig b/arch/arm/configs/vexpress_defconfig > > vexpress_defconfig is not removed in master. The patch is still in > -next. I am fine with either taking this to next or dropping the original commit. > > Sascha > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |