From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 15C8930CD81; Tue, 15 Sep 2026 13:25:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789478755; cv=none; b=OGpxbiDg4OfIEh69OpKhyW666WTw1W/kZ8PfxyRdCBiU1CkG3UPtiS9W9oJ1hhghchmWs7hOYg/P/FvlFCN02kSpqm2yVSly1hMEHBRt0dxu71Nadbhvao+8Ou/8PujTOPLQHhdqkgPjQPv1Yh9G5nkBx2x8D1t6VMXeBhs7kSU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789478755; c=relaxed/simple; bh=n+xfkg7b6cBRQFcEcl4DQNh7KCXdlVfEV7dSl1CI46g=; h=From:To:Cc:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=Q5JzpreLSHbdnbX2o3gNGrHXvePGoqyoG6YMjKwEN20fKCmHZ58gN+G9du7NRrybZeWVDUBD0YcWmDo/Srac2IpA0PNqZEK2msYfwzRWK783PeZCXsZwKa2XCxslrNHki2uWp2IT2w+PV+wDKkRbfwl9SgC1HBaBdeRSnj3db2c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=HLzK5T+P; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="HLzK5T+P" 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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.16.0 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