From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dave Hansen <dave.hansen@intel.com>
Subject: Re: [PATCH v12 07/13] x86/sgx: data structures for tracking available
 EPC pages
Date: Tue, 3 Jul 2018 12:03:48 -0700
Message-ID: <48296e78-5979-a22f-c337-633deccf30bf@intel.com>
References: <20180703182118.15024-1-jarkko.sakkinen@linux.intel.com>
 <20180703182118.15024-8-jarkko.sakkinen@linux.intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <20180703182118.15024-8-jarkko.sakkinen@linux.intel.com>
Content-Language: en-US
Sender: linux-kernel-owner@vger.kernel.org
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>, x86@kernel.org, platform-driver-x86@vger.kernel.org
Cc: sean.j.christopherson@intel.com, nhorman@redhat.com, npmccallum@redhat.com, linux-sgx@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <linux-kernel@vger.kernel.org>
List-Id: platform-driver-x86.vger.kernel.org

On 07/03/2018 11:19 AM, Jarkko Sakkinen wrote:
> This commit adds a database of EPC banks for kernel to easily access the
> available EPC pages. On UMA architectures there is a singe bank of EPC
> pages. On NUMA architectures there is an EPC bank for each node.

Is this universally true?  What about Sub-NUMA-Clustering/Cluster-on-Die
systems?