Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756111Ab2FDSaA (ORCPT ); Mon, 4 Jun 2012 14:30:00 -0400 Received: from mga11.intel.com ([192.55.52.93]:2164 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755678Ab2FDS3y (ORCPT ); Mon, 4 Jun 2012 14:29:54 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="160493116" From: "Fenghua Yu" To: "Ingo Molnar" , "Thomas Gleixner" , "H Peter Anvin" , "Suresh B Siddha" , "Tony Luck" , "Asit K Mallick" , "Arjan Dan De Ven" Cc: "linux-kernel" , "x86" , "linux-pm" , "Fenghua Yu" Subject: [PATCH 1/6] x86/Documentation/kernel-parameters.txt: Add wakeup_cpu_via_init kernel parameter help Date: Mon, 4 Jun 2012 11:17:50 -0700 Message-Id: <1338833876-29721-2-git-send-email-fenghua.yu@intel.com> X-Mailer: git-send-email 1.7.2 In-Reply-To: <1338833876-29721-1-git-send-email-fenghua.yu@intel.com> References: <1338833876-29721-1-git-send-email-fenghua.yu@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1237 Lines: 33 From: Fenghua Yu The new kernel parameter wakeup_cpu_via_init overrides mwait or nmi method and forces to wake up offline CPU via INIT, INIT, STARTUP sequence. This is useful in RAS when a temporary CPU error could be fixed by INIT. Signed-off-by: Fenghua Yu --- Documentation/kernel-parameters.txt | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 2b17e82..8efae55 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -3099,6 +3099,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted. Format: ,,,,,[,[,[,]]] + wakeup_cpu_via_init [X86] + Wake up offline CPU via INIT, INIT, STARTUP sequence. + ______________________________________________________________________ TODO: -- 1.6.0.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/