From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 01 Dec 2025 12:04:58 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vQ1iE-006nHg-0h for lore@lore.pengutronix.de; Mon, 01 Dec 2025 12:04:58 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vQ1iD-0003ae-MS for lore@pengutronix.de; Mon, 01 Dec 2025 12:04:58 +0100 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:MIME-Version:Date:Message-Id:Subject:References:In-Reply-To:To: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=pN24Hb0D4yUfMRS1YIxB7NsNj/p8tJ3pqWN1RjLvK0Y=; b=aPyYezuyCGd+FgL71clZ5NBdXC xtY6qIjTxSQXPXqxlLpZEjsZEoI7N7aJ4Lsqk+qgLy2V95EwGfDVonyJM2eyPk3nWDR8Qybmctwm9 bOAtxQxXshbV5B9ckKqUVijYxJ6LkdbYGrCeZ/9SFDZl+coouPtD706K42Ov7A5zcjpW65oj5dzDn yG3JPP6zYoD0+3oZ3RdBf2u23gmjjb2C1IiUU02sfy2Bdp9Tl7I4o8MJKDIqRW8nbP/shiv6wo82t PCChFwJMVUq1TIPxtbpfyZOF76yXpoAZCbASNkbi+gpkxquaDofyourjF3w9+MdyaOJXtwZHuYQnP Z/l0E97g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vQ1hp-00000003OQK-0TZW; Mon, 01 Dec 2025 11:04:33 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vQ1hk-00000003OPr-3dCV for barebox@lists.infradead.org; Mon, 01 Dec 2025 11:04:30 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vQ1hj-0003Vg-5l; Mon, 01 Dec 2025 12:04:27 +0100 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vQ1hi-003Qkl-3A; Mon, 01 Dec 2025 12:04:26 +0100 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1vQ1hi-00000000iLK-3syv; Mon, 01 Dec 2025 12:04:26 +0100 From: Sascha Hauer To: barebox@lists.infradead.org, Ahmad Fatoum In-Reply-To: <20251128172206.36551-1-a.fatoum@pengutronix.de> References: <20251128172206.36551-1-a.fatoum@pengutronix.de> Message-Id: <176458706692.170433.16686292602808771279.b4-ty@pengutronix.de> Date: Mon, 01 Dec 2025 12:04:26 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251201_030428_910878_B3F1B185 X-CRM114-Status: UNSURE ( 9.95 ) X-CRM114-Notice: Please train this message. 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.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH] ARM: mmu: set up vectors prior to full MMU setup X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Fri, 28 Nov 2025 18:22:05 +0100, Ahmad Fatoum wrote: > Interleaving vector table setup with zero page setup introduces an > unfortunate dependency: We need to call setup_pages after mapping the > SDRAM, so mapping the zero page as faulting is not overridden and we > need to do it before mapping the text area read-only, because the > vectors are relocated on ARM32. > > Avoid this issue by setting up the vectors at core_initcall and only do > trap page setup during MMU init. This is already what is being done on > arm64. > > [...] Applied, thanks! [1/1] ARM: mmu: set up vectors prior to full MMU setup https://git.pengutronix.de/cgit/barebox/commit/?id=c036c7a1d7d0 (link may not be stable) Best regards, -- Sascha Hauer