From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756557AbcIGJg7 (ORCPT ); Wed, 7 Sep 2016 05:36:59 -0400 Received: from mail.skyhub.de ([78.46.96.112]:48392 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750957AbcIGJg6 (ORCPT ); Wed, 7 Sep 2016 05:36:58 -0400 From: Borislav Petkov To: X86 ML Cc: LKML , Peter Zijlstra , Thomas Gleixner Subject: [PATCH] x86/topology: Document cpu_llc_id Date: Wed, 7 Sep 2016 11:22:19 +0200 Message-Id: <20160907092219.5523-1-bp@alien8.de> X-Mailer: git-send-email 2.10.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov It means different things on Intel and AMD so write it down so that there's no confusion. Signed-off-by: Borislav Petkov Cc: Peter Zijlstra Cc: Thomas Gleixner --- Documentation/x86/topology.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/x86/topology.txt b/Documentation/x86/topology.txt index 06afac252f5b..7a5485730476 100644 --- a/Documentation/x86/topology.txt +++ b/Documentation/x86/topology.txt @@ -63,6 +63,12 @@ The topology of a system is described in the units of: The maximum possible number of packages in the system. Helpful for per package facilities to preallocate per package information. + - cpu_llc_id: + + A per-CPU variable containing: + - On Intel, the first APIC ID of the list of CPUs sharing the Last Level + Cache + - On AMD, the Node ID containing the Last Level Cache. * Cores: -- 2.10.0