Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757219AbXLGVhw (ORCPT ); Fri, 7 Dec 2007 16:37:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754260AbXLGVhn (ORCPT ); Fri, 7 Dec 2007 16:37:43 -0500 Received: from mga01.intel.com ([192.55.52.88]:36477 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754024AbXLGVhm convert rfc822-to-8bit (ORCPT ); Fri, 7 Dec 2007 16:37:42 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.23,269,1194249600"; d="scan'208";a="424269352" X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Subject: RE: + restore-missing-sysfs-max_cstate-attr.patch added to -mm tree Date: Fri, 7 Dec 2007 13:38:00 -0800 Message-ID: <924EFEDD5F540B4284297C4DC59F3DEE38C313@orsmsx423.amr.corp.intel.com> In-Reply-To: <20071205111720.GC3864@ucw.cz> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: + restore-missing-sysfs-max_cstate-attr.patch added to -mm tree Thread-Index: Acg5FyDRwJ/JAF/0SMC+uI8KNhkfcgAAjLAQ References: <20071130142058.816d1693.akpm@linux-foundation.org> <924EFEDD5F540B4284297C4DC59F3DEE2FAEAF@orsmsx423.amr.corp.intel.com> <20071205111720.GC3864@ucw.cz> From: "Pallipadi, Venkatesh" To: "Pavel Machek" Cc: "Andrew Morton" , , , , , , , X-OriginalArrivalTime: 07 Dec 2007 21:37:38.0801 (UTC) FILETIME=[63993610:01C83919] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1098 Lines: 35 >-----Original Message----- >From: Pavel Machek [mailto:pavel@ucw.cz] >Sent: Wednesday, December 05, 2007 3:17 AM >To: Pallipadi, Venkatesh >Cc: Andrew Morton; lkml@rtr.ca; abelay@novell.com; >lenb@kernel.org; mlord@pobox.com; rjw@sisk.pl; >linux-kernel@vger.kernel.org; linux-acpi@vger.kernel.org >Subject: Re: + restore-missing-sysfs-max_cstate-attr.patch >added to -mm tree > >Hi! > >> >It is not known whether Mark is actually writing to this >> >thing. Perhaps >> >read-only permissions would be a suitable fix? >> > >> >> Exporting it as read only should be OK. We also need to know if there >> are hard user space dependency on writing to this from userspace. > >Some people are manipulating it from their suspend scripts.. > That is done by default in kernel now. Deep C-states are disabled between suspend and resume. Thanks, Venki -- 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/