From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by mx.groups.io with SMTP id smtpd.web08.11053.1647719805231391808 for ; Sat, 19 Mar 2022 12:56:45 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@bsdio.com header.s=fm2 header.b=SLVCTMvB; spf=pass (domain: bsdio.com, ip: 66.111.4.25, mailfrom: rebecca@bsdio.com) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 88F7D5C0107; Sat, 19 Mar 2022 15:56:44 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Sat, 19 Mar 2022 15:56:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdio.com; h=cc :content-transfer-encoding:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm2; bh=tcGT4clZS4eBwD cYhAlTNM0utEFCcSOWzQWFk53zh6s=; b=SLVCTMvBchL85vKUOY/6vjLUe3MRTS 3o1Los/xYg64gs5yiPesKExeKKpwSP9/IMjx/kCaloA6kbSU1DFX3rENcDb4aJ5A aLvkKqIpG+FIud+ihwxzcy+nwl9rBWU04b6ac6J2CQ2ycneVNsnOHKyYMTxOnX2c R9AEBHwQYyE37pYfRpB8viLOLqKb7H8iuAO6CWx8Kiyk3FLcin+Cq67g3x4Zp610 PmN28G9Gey+1a767hVjPa2ahrwNeTHhc8WxrzqIL5OtMT0imYwe/pMddJIIB0xkv COjLhf/As1Hi6uTLe3ftb4aHzdqlkowZ6lh9+I2vDHYHd3YYfucrU39Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:date:from:from:in-reply-to:in-reply-to:message-id :mime-version:references:reply-to:sender:subject:subject:to:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=tcGT4clZS4eBwDcYhAlTNM0utEFCcSOWzQWFk53zh6s=; b=TndFMd3+ 4FcAGssy5fs/Lljtzo23AZb0zIAv30bfSRXGB1V9G6n60rOc/J9RT4DDhYShb2RC wOqdJ9+ZyWLbIDLKJNCoCJ+jrpqVSRGeLhsxL7hpJvP9kYEmabGbZZbp1e8MIiJz K06sx6Z9E9+a2xDJ7Bh/a+ebCdqTfTCU/1VNVwWaRgp8g/kAdchQM/nqKteMzKWf eJKLqiC2HChotfyK1G9DI5crOe78p3BgJLSMR+5kwXN37ejMnPQ3GTF6u7Ne/Mp6 TlTG2smVlR98icSmnaJGCvf7mNFWO+TfLTEIJWRfkeXp2IQ/5MZXRZ9UzxI4ue6F m+hwARdF8vwyjA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrudefkedgudefvdcutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpefkffggfgfuvfhfhfgjtgfgsehtjeertddtfeejnecuhfhrohhmpeftvggs vggttggrucevrhgrnhcuoehrvggsvggttggrsegsshguihhordgtohhmqeenucggtffrrg htthgvrhhnpeelgfehtdeltedttdduhfdvfffggfduleejheeiieekuedufeegkeevleet jeekteenucffohhmrghinhepkhgvrhhnvghlrdhorhhgnecuvehluhhsthgvrhfuihiivg eptdenucfrrghrrghmpehmrghilhhfrhhomheprhgvsggvtggtrgessghsughiohdrtgho mh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sat, 19 Mar 2022 15:56:43 -0400 (EDT) Message-ID: <439fcbf9-a78d-1807-7a53-3b139a948206@bsdio.com> Date: Sat, 19 Mar 2022 13:56:43 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH edk2-platforms 3/3] Platform/ARM/JunoPkg: Reserve the ECAM area in ACPI with RES0 device To: Sami Mujawar , devel@edk2.groups.io, Ard Biesheuvel , Thomas Abraham , nd References: <20220305041955.20918-1-rebecca@bsdio.com> <20220305041955.20918-4-rebecca@bsdio.com> <8c268ce5-89af-ee0c-a15f-641c3a53ba4f@arm.com> From: "Rebecca Cran" In-Reply-To: <8c268ce5-89af-ee0c-a15f-641c3a53ba4f@arm.com> Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 3/17/22 03:55, Sami Mujawar wrote: > On 05/03/2022 04:19 AM, Rebecca Cran wrote: >> Add a RES0 device to the SSDT to reserve the PCI ECAM area. >> >> This fixes the warning that Linux prints: >> >> acpi PNP0A08:00: [Firmware Bug]: ECAM area [mem 0x40000000-0x4fffffff] >> not reserved in ACPI namespace > [SAMI] I noticed that the "Firmware Bug" message is no longer seen, but > instead the following message is now printed > "system 00:00: [mem 0x40000000-0x4fffffff window] could not be reserved" > > It appears this is a harmless message and the relevant discussion can be > seen at: https://lore.kernel.org/all/20210603141641.GA17284@lpieralisi/#t > > I think it may be better to update the commit message to reference this > discussion and clarify that this is an expected behavior. > [/SAMI] Thanks, I've updated the commit message in v2. -- Rebecca Cran