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[212.227.126.187]) by mx.google.com with ESMTPS id q11si10715898wmq.182.2019.04.15.04.43.41 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 15 Apr 2019 04:43:42 -0700 (PDT) Received-SPF: neutral (google.com: 212.227.126.187 is neither permitted nor denied by best guess record for domain of lkml@metux.net) client-ip=212.227.126.187; Authentication-Results: mx.google.com; spf=neutral (google.com: 212.227.126.187 is neither permitted nor denied by best guess record for domain of lkml@metux.net) smtp.mailfrom=lkml@metux.net Received: from [192.168.1.110] ([95.115.91.41]) by mrelayeu.kundenserver.de (mreue012 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MLAZe-1hY4q10n22-00IFgj; Mon, 15 Apr 2019 13:43:39 +0200 Subject: Re: [RFC PATCH 1/5] efi: Detect UEFI 2.8 Special Purpose Memory To: Dan Williams , Ard Biesheuvel Cc: Linux Kernel Mailing List , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Darren Hart , Andy Shevchenko , Vishal L Verma , the arch/x86 maintainers , Linux-MM , Keith Busch , linux-nvdimm References: <155440490809.3190322.15060922240602775809.stgit@dwillia2-desk3.amr.corp.intel.com> <155440491334.3190322.44013027330479237.stgit@dwillia2-desk3.amr.corp.intel.com> From: "Enrico Weigelt, metux IT consult" Organization: metux IT consult Message-ID: <766281c0-e770-2a0f-e885-0921e599740f@metux.net> Date: Mon, 15 Apr 2019 13:43:35 +0200 User-Agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:NJ9bcWM7yqVwBf1LcyXAdmYG8vFaS080HOQiIrzAqQ2l0P8+xiK YHi6epj0RyIlsPo+9vhCXVypMA9NI8N6znSt43KjG6fJZNVLIcWMAk/xqlKSKirJS7LBegS HZD2Re5tdTf+bInVvfP7vdiI9NklOQsbu6BKL958fq6Ka1kJCX6VdBz/wf1fencXTzYdHLG Q44u55PW30p62rg1gwSxg== X-UI-Out-Filterresults: notjunk:1;V03:K0:5T+WGcN6N7c=:1snJlLAJ6sSqyTgFTssxqs OxoIDpBRG0z6TOs75ab9uMrxzT4w7mCp7jwFyyRNLMJYCl5TgiRbcxM8Y/RTL4xfoo2UZ2Fxi W/hc9Ow3qE8qxC5/dUgLOf9dqkfHorvhqwQyqMQFXCor1u1tHSOZW7+O2Vg3K8bSHkMqI/pDd Wxs7PvxTwf01pIQFU93jl6us5S6ZVDtDLgs9JgjxwU9HQ+il5Ztalb0pyZ4XSlvYrkifWXBT2 y3CcxcOMzL4PlSdHH40hJ8InFF7RlOU1vXndFC240zOr6Cxz21H9KM6l6XzZDLgIaTxayQo5m AJ+Hz2XjXBdRShBYLTXlmso7y+CpffXGMV8GRPamBlk/scFN4kd6ERgFRyFTmqOPl/uwhMIvp uaLgBkA10QqgksdJfX/Vg82X7qVcmcquK0e9MbO5XoR0rFCaidzicD42qAPLgV/hZ/tbMBaK7 6nuJpuKtoFnFBgGrSUZAdG1ogQNx96NNJLldd1VYbFLkD4yCVyrecne1dBeZ5/Af9AFV1yNgn MzOtD4e3FB7VqNmN9h4ORCzBh3CcHrNv8n1Hfkh46FRip0tB2a3XG4H0bUxyi3q6VYH5G7GiA Qd8Xldk6yHGKuyTnMBRcPzp4y31VvjLesY74W6Zs3aJ8Ys+Mg332ELC3oxUf8+TtzBHv5qMLb WBfHGdSDyep/EzVRB25HU2rg6I+sWfBnBxyKXJvCBM9ucBFMKqOSf97zjXevVycNGuJPpgMzW 6iiKpAe65dYxSz3J3E3MVDpMFyxE5nnQsvfO5eWigzXm3/fucU9I5VTMWkk= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 09.04.19 18:43, Dan Williams wrote: >>> UEFI 2.8 defines an EFI_MEMORY_SP attribute bit to augment the >>> interpretation of the EFI Memory Types as "reserved for a special >>> purpose". What exactly is that suppose to mean ? Little pacmans might come around and eat the bits ? :o Who writes specs like that ? What drugs do did take ? I vote for calling this the lore-ipsum-area ;-) --mtx -- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering info@metux.net -- +49-151-27565287