Received: by 2002:a05:6a10:9afc:0:0:0:0 with SMTP id t28csp2226607pxm; Fri, 4 Mar 2022 11:49:33 -0800 (PST) X-Google-Smtp-Source: ABdhPJxgdVm3i4BFC8sDAhZPTNBd94fea3+2Q6ln2ZsSxIPp49+e65sHwbFC3TbSTEQRAFx085H8 X-Received: by 2002:a62:1847:0:b0:4f6:4127:a3ef with SMTP id 68-20020a621847000000b004f64127a3efmr319515pfy.68.1646423372896; Fri, 04 Mar 2022 11:49:32 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1646423372; cv=none; d=google.com; s=arc-20160816; b=CwyujU6knE/hl1bWkvju5Sc/1quwc6781SdJNqXgV7t9F8u7MoNu7Wdf6SIzR46wyo XRCRV4qYRpMBxpw5pDaeNB80LGAFHz7nToI+dsw0S2Fq4BEYucCLd0y0+qda1jT6opDo pjOVuo/P99fimEW0G0OS+OTi/HY3dntagKXYv7a51B8qljR0M+OgQ3hkAr8yyscMfuGu owAPAA9IycjXr0Sf13yGx+NLXXLIy8t7fe6p9Npx3no4I/I7n4TxT/uqpTkdie7gnx+V niaY8LpkRNVnU960Wul3+yiUcX8shlYA6ZjOaA5uS5rD+NL/5e/b6Bm3KghkAQL4eTdh gXkw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=BvW8/Do2xIY2tEzRl4M4cGXH3JLpwKZxE+swaZsgI9k=; b=0PJgjkqTXrzNSW2biBOkEUeM+iB/TApiXA2c9mDcnNckcw4W6kvOMt62dXx1AKQt2l xy66R0AgqonEhIsSZzgMwPzhtXNoM/Ly9UmsUfEAAZVqR894ubtkwDiBMnexo3tRdfXh i0LBLQ9llx2cMf8zg8GvzGWkoX4lgbeKFWwIykZUrhZF1z8oo7jmCpJver+gfr3azfBY AFJ5syF8V+hEajKIecK+TgB5lAIhVBVegHSykJ3wt2Anj8nrfMhj9FydT+k2QljrJ0/c 1tOZCVD8TrC7CHNijkV2vLrXJ124xJxLdno+GjZRttikC/GCKKnRDj8YOtKs/yGpATEX SBBA== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net. [23.128.96.19]) by mx.google.com with ESMTPS id q16-20020a17090311d000b001517777221bsi6491258plh.256.2022.03.04.11.49.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Mar 2022 11:49:32 -0800 (PST) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id DD1D21A6378; Fri, 4 Mar 2022 11:19:46 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240932AbiCDRPI (ORCPT + 99 others); Fri, 4 Mar 2022 12:15:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49428 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240927AbiCDRPD (ORCPT ); Fri, 4 Mar 2022 12:15:03 -0500 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id BC6251B371E; Fri, 4 Mar 2022 09:14:12 -0800 (PST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8ADF81478; Fri, 4 Mar 2022 09:14:12 -0800 (PST) Received: from bogus (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id C07083F73D; Fri, 4 Mar 2022 09:14:11 -0800 (PST) Date: Fri, 4 Mar 2022 17:14:09 +0000 From: Sudeep Holla To: Bharat Kumar Gogada Cc: "linux-acpi@vger.kernel.org" , Sudeep Holla , Sami Mujawar , "linux-kernel@vger.kernel.org" Subject: Re: ACPI flow for reserved memory Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Bharat, I am not UEFI expert but I was sure there would be some options for this. Checking with Sami(cc-ed), confirmed the same. On Thu, Mar 03, 2022 at 11:07:54AM +0000, Bharat Kumar Gogada wrote: > Hi All, > > In device tree we have several ways to > reserve memory (https://github.com/Xilinx/linux-xlnx/blob/master/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt). > > Can anyone please help equivalent flow for ACPI. @Sami, please share any details you may have. -- Regards, Sudeep