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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9734CC88E75 for ; Tue, 15 Sep 2026 13:26:00 +0000 (UTC) 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:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ErkzZ1ZFOtFbK4HOjtmx0Rkzf/fK40DMGc6473S3ltU=; b=Ap+1uX5PfMA+JsoI86w+eqrW93 y6THFkX7HC/8hyEgFWKQZfLBc1sGLx1de/kbvkvItU7Oj4NTFkUhfGGfLu9JMzjlyWAdNk8DCx8XM Ag5uElKZLpleIvCuhTMvQ1zxpSz6ZD63Cw3qQlM9uNDt7a7vqIrm6TPthBmAoQJ96f8whnDJc4+Ss +n5njFhp7vFQ46DgAPVAU7BNR2tE3ADeaPrxVOAIYn/FMKlcgxwo2Z7b81XWKwLBI5ZUB3iXI1THT Qx9IaeDfVldgq1zT731YipelwICQUYm1ADL31FueHkZZ1aXq0pFD8WyZYlpuNCFGKDGZA3TlZ9TIl 651sujjw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x6TAc-00000006j1U-09gk; Tue, 15 Sep 2026 13:25:58 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x6TAY-00000006j09-1EZG; Tue, 15 Sep 2026 13:25:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1789478751; bh=n+xfkg7b6cBRQFcEcl4DQNh7KCXdlVfEV7dSl1CI46g=; h=From:To:Cc:In-Reply-To:References:Subject:Date:From; b=HLzK5T+PL7+QNdbur9YPOrEAL2xCzL2s/cGPigZPIhmJuIhlSN1NWe4RggLgBfLX2 ti8SoOcuFR6yA66H+oJZv8f9r4tfsZK3N3QPWbeubsfkCsAY7NpWZBnbRwCoCRTRzb bw5oHpgYjS6Z2Us+4Ha7n+vVXFM1SrhzBQy+syp1Xt9Ur1GFITkePWBbRC41o9BJVx lQFynk0uQxxLQsTbChs2TuooLRjgpYxq/AMtYqKrsWm76YkpcvosIoVQvvO8yxdTFl NzkgUeV476tlyNHkdr5F1DPG2hANy6sf4zDr6twX5rjk4aB6FjLVTEvhCu6rrHOy4c DDjkNKNJYdSXw== Received: from IcarusMOD.eternityproject.eu (unknown [100.64.1.21]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 8BB6117E07A9; Tue, 15 Sep 2026 15:25:51 +0200 (CEST) From: AngeloGioacchino Del Regno To: Matthias Brugger , Martino Dell'Ambrogio Cc: linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kees@kernel.org, tony.luck@intel.com, gpiccoli@igalia.com In-Reply-To: <20260915141226.600486-1-tillo@tillo.ch> References: <20260915141226.600486-1-tillo@tillo.ch> Subject: Re: [PATCH v5] arm64: dts: mediatek: mt7986a-bananapi-bpi-r3: add ramoops region Message-Id: <178947875151.35150.1801064329287090544.b4-ty@b4> Date: Tue, 15 Sep 2026 15:25:51 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.16.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260915_062555_425816_17C45908 X-CRM114-Status: UNSURE ( 8.73 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Tue, 15 Sep 2026 14:12:26 +0200, Martino Dell'Ambrogio wrote: > Reserve 64 KiB of RAM just below the ARM Trusted Firmware secmon region > (0x42ff0000-0x43000000) for persistent kernel log storage via pstore/ramoops, > allowing post-panic console output and oops dumps to be recovered after a > warm reset. Without it, kernel crash logs on this board are lost when the > SoC reboots. > > The zone sizes (record-size=8 KiB, console-size=32 KiB, ftrace-size=8 KiB, > pmsg-size=8 KiB) consume the full 64 KiB carve-out. The requested ecc-size=16 > reserves a small Reed-Solomon parity block from each zone's own allocation > in persistent_ram_new(), which lets pstore recover dumps even when the panic > path truncates writes mid-record. > > [...] Applied to v7.3-next/dts64, thanks! [1/1] arm64: dts: mediatek: mt7986a-bananapi-bpi-r3: add ramoops region commit: 5b748eb481caf88e7f0b3c763dbc6247a59f6e21 Cheers, Angelo