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client-ip=2a00:f820:417:0:178:251:229:89; helo=mx.nabladev.com; envelope-from=lukma@nabladev.com; receiver= Received: from mx.nabladev.com (mx.nabladev.com [IPv6:2a00:f820:417:0:178:251:229:89]) by smtp3.osuosl.org (Postfix) with ESMTPS id 7496660784 for ; Thu, 12 Nov 2026 11:38:10 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 7D1C51001EA; Thu, 12 Nov 2026 12:31:55 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nabladev.com; s=dkim; t=1794483116; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=FrIOq3frB0+7WYp9MXHve8kNHkkz4XzVkW+9MdiGiWg=; b=UkfwPqrshKX9PfoFEgGbTWEDWnSvrf+aP0VW91qka2q4O8NfbnESV6g/35jhX6DsjJ6RRy SmVl0nsQA5yyrEeSoRHhquVZn6xR81VbTT4oA84OfDghO2BP82MBvEkI9ohBBNQWAL6PVb bv37q3tlcZu+4E/vFzlPnJ9GqfUXVPKogj0291i6k5aUp8YKlIU1JFHIhvTEcWE4nDEFJs 9KXvhMc0mDeCsms6E9AzJL/9s27O/fYfI8Qzc+gBt/R5OVvIzq8uWH/aR+U/iC8YIaWsak QZgLSpVDgOXA1miHPVIV3GpOgOJReabqNgtG6srGjEwiGTbnPlK7jjgFKIEYzA== Date: Thu, 12 Nov 2026 12:31:54 +0100 From: =?UTF-8?B?xYF1a2Fzeg==?= Majewski To: Tom Rini Cc: Stefano Babic , Fabio Estevam , u-boot@lists.u-boot-project.org Subject: Re: Enabling LTO for the imx28 platforms? Message-ID: <20261112123154.19bc3a46@wsk> In-Reply-To: <20261111184700.GA554944@bill-the-cat> References: <20261111184700.GA554944@bill-the-cat> Organization: Nabla X-Mailer: Claws Mail 3.19.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Last-TLS-Session-Version: TLSv1.3 X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Archive: List-Post: List-Help: List-Subscribe: , X-Spam-Status: No, score=-7.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hi Tom, > Hey, > > Can you please test and then enable support for LTO on these > platforms? They're very close to their binary size limit and while I > have been pushing for people to look to reduce the size of new > features when added, and tripping the limit here, I'm now looking at > https://lore.kernel.org/r/20261027-spi-probe-speed-v3-1-33e056720925@iav.lv > being a fix that pushes them over-limit. Thanks! > I will look on that in the following days. And indeed - for imx28 the binary (especially SPL) size is critical. When exceeded, due to ROM code design, the boot is broken and board gets bricked. -- Best regards, Lukasz Majewski -- Nabla Software Engineering GmbH HRB 40522 Augsburg Phone: +49 821 45592596 E-Mail: office@nabladev.com Managing Director : Stefano Babic