Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757588Ab3JPC76 (ORCPT ); Tue, 15 Oct 2013 22:59:58 -0400 Received: from e28smtp07.in.ibm.com ([122.248.162.7]:50040 "EHLO e28smtp07.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750918Ab3JPC75 (ORCPT ); Tue, 15 Oct 2013 22:59:57 -0400 Message-ID: <525E011C.6010309@linux.vnet.ibm.com> Date: Wed, 16 Oct 2013 08:29:40 +0530 From: Raghavendra K T Organization: IBM User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: Sander Eikelenboom CC: linux-kernel@vger.kernel.org Subject: Re: Kconfig help entry for CONFIG_PARAVIRT_SPINLOCK References: <932951750.20131015234558@eikelenboom.it> In-Reply-To: <932951750.20131015234558@eikelenboom.it> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13101602-8878-0000-0000-00000942440E Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 902 Lines: 21 On 10/16/2013 03:15 AM, Sander Eikelenboom wrote: > Hi Raghavendra, > > Since the ticketlock series have landed in this mergewindow (thanks :-) ) the > help accompanying the Kconfig entry doesn't seem to reflect the current state well. > > - Wasn't the whole purpose of the ticketlock series to mitigate this 5% performance hit to something > far less, so distro kernels could enable this for their normal kernels ? > I don't have the exact performance figures though. > > - Perhaps the suggestion to enable this for supported hypervisors (Xen and KVM ?) could be added ? You are right. Thanks. I 'll send the patch to change the config text soon. -- 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/