Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752507AbbLCV6n (ORCPT ); Thu, 3 Dec 2015 16:58:43 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:37043 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751894AbbLCV6m (ORCPT ); Thu, 3 Dec 2015 16:58:42 -0500 Date: Thu, 3 Dec 2015 22:58:39 +0100 From: Pavel Machek To: Marcelo Tosatti Cc: Luiz Capitulino , Peter Zijlstra , Thomas Gleixner , Vikas Shivappa , Tejun Heo , Yu Fenghua , linux-kernel@vger.kernel.org Subject: Re: [PATCH RFC] ioctl based CAT interface Message-ID: <20151203215839.GD14427@amd> References: <20151113163933.GA10222@amt.cnet> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151113163933.GA10222@amt.cnet> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1309 Lines: 37 Hi! > > Attached is an early version of the ioctl based CAT interface we > have been working on. > > NOTE: it does not compile, there is no locking, but should > be sufficient for interested people to comment. > > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index db3622f..293726b 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -757,6 +757,14 @@ config HPET_EMULATE_RTC > def_bool y > depends on HPET_TIMER && (RTC=y || RTC=m || RTC_DRV_CMOS=m || RTC_DRV_CMOS=y) > > +config CACHE_RESERVATION > + tristate "Cache Reservation Support" > + default n > + ---help--- > + This feature makes use of Intel's Cache Allocation Technology to allow the > + reservation of portions of the L3 cache to specific tasks. Please, see > + Documentation/x86/cache-reservation.txt for more Including the Documentation/x86/cache-reservation.txt file in the patch would be nice ;-). Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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/