From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 59E8E2C009F for ; Wed, 26 Feb 2014 09:40:20 +1100 (EST) Message-ID: <1393368002.6314.10.camel@pasglop> Subject: Re: [PATCH] powerpc: warn users of smt-snooze-delay that the API isn't there anymore From: Benjamin Herrenschmidt To: Deepthi Dharwar Date: Wed, 26 Feb 2014 09:40:02 +1100 In-Reply-To: <530C4D57.1030905@linux.vnet.ibm.com> References: <1393028074-26797-1-git-send-email-cody@linux.vnet.ibm.com> <530C4D57.1030905@linux.vnet.ibm.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: Madhavan Srinivasan , linuxppc-dev@lists.ozlabs.org, Wang Dongsheng , linux-kernel@vger.kernel.org, Paul Gortmaker , Paul Mackerras , Olof Johansson , Cody P Schafer List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 2014-02-25 at 13:29 +0530, Deepthi Dharwar wrote: > We currently do not use smt-snooze-delay in the kernel. > The sysfs entries needs to be retained until we do a clean up > ppc64_cpu > util that uses these entries to determine SMT, > clean up patch for this has already been posted out by Prerna. > Once, we have the ppc64_cpu changes in, we can look to clean up these > parts from the kernel. We generally shouldn't change user visible interfaces. People still have old versions of ppc64_cpu, we must not break them Cheers, Ben.