From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751588Ab3HTROd (ORCPT ); Tue, 20 Aug 2013 13:14:33 -0400 Received: from service87.mimecast.com ([91.220.42.44]:39769 "EHLO service87.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751289Ab3HTROc convert rfc822-to-8bit (ORCPT ); Tue, 20 Aug 2013 13:14:32 -0400 Message-ID: <5213A40C.6060509@arm.com> Date: Tue, 20 Aug 2013 18:14:52 +0100 From: Sudeep KarkadaNagesha User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130803 Thunderbird/17.0.8 MIME-Version: 1.0 To: Catalin Marinas CC: Sudeep KarkadaNagesha , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Lorenzo Pieralisi , Will Deacon , Thomas Gleixner , Daniel Lezcano Subject: Re: [PATCH v3 0/6] ARM/ARM64 architected timer updates References: <1374492082-13686-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> <1376414984-14182-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> In-Reply-To: <1376414984-14182-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> X-OriginalArrivalTime: 20 Aug 2013 17:14:28.0140 (UTC) FILETIME=[BA16CEC0:01CE9DC8] X-MC-Unique: 113082018142900201 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13/08/13 18:29, Sudeep KarkadaNagesha wrote: > From: Sudeep KarkadaNagesha > > This patch series adds support to configure the rate and enable the > event stream for architected timer. The event streams can be used to > impose a timeout on a WFE, to safeguard against any programming error > in case an expected event is not generated or even to implement > wfe-based timeouts for userspace locking implementations. > > Since the timer control register is reset to zero on warm boot, CPU > PM notifier is added to re-initialize it. > > Changes v2->v3: > 1. Moved ARM and ARM64 changes into separate patches > 2. Added native hwcaps definations(ARM/ARM64) and compat-specific > definitions(ARM64) to the users for the event stream feature. > Hi Catalin, Can you review this version of the series ? Regards, Sudeep From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sudeep.KarkadaNagesha@arm.com (Sudeep KarkadaNagesha) Date: Tue, 20 Aug 2013 18:14:52 +0100 Subject: [PATCH v3 0/6] ARM/ARM64 architected timer updates In-Reply-To: <1376414984-14182-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> References: <1374492082-13686-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> <1376414984-14182-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> Message-ID: <5213A40C.6060509@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 13/08/13 18:29, Sudeep KarkadaNagesha wrote: > From: Sudeep KarkadaNagesha > > This patch series adds support to configure the rate and enable the > event stream for architected timer. The event streams can be used to > impose a timeout on a WFE, to safeguard against any programming error > in case an expected event is not generated or even to implement > wfe-based timeouts for userspace locking implementations. > > Since the timer control register is reset to zero on warm boot, CPU > PM notifier is added to re-initialize it. > > Changes v2->v3: > 1. Moved ARM and ARM64 changes into separate patches > 2. Added native hwcaps definations(ARM/ARM64) and compat-specific > definitions(ARM64) to the users for the event stream feature. > Hi Catalin, Can you review this version of the series ? Regards, Sudeep