From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754767Ab2LRMH6 (ORCPT ); Tue, 18 Dec 2012 07:07:58 -0500 Received: from service87.mimecast.com ([91.220.42.44]:42575 "EHLO service87.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754707Ab2LRMHz (ORCPT ); Tue, 18 Dec 2012 07:07:55 -0500 From: Mark Rutland To: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux@arm.linux.org.uk, tglx@linutronix.de, nico@linaro.org, will.deacon@arm.com, marc.zyngier@arm.com, john.stultz@linaro.org, Mark Rutland Subject: [RFC PATCH 3/5] ARM: Use generic timer broadcast receive Date: Tue, 18 Dec 2012 12:06:56 +0000 Message-Id: <1355832418-31692-4-git-send-email-mark.rutland@arm.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1355832418-31692-1-git-send-email-mark.rutland@arm.com> References: <1355832418-31692-1-git-send-email-mark.rutland@arm.com> X-OriginalArrivalTime: 18 Dec 2012 12:07:51.0234 (UTC) FILETIME=[4D78FA20:01CDDD18] X-MC-Unique: 112121812075224801 Content-Type: text/plain; charset=WINDOWS-1252 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id qBIC7xo3018313 Currently, the ARM backend must maintain a redundant list of timers for the purpose of centralising timer broadcast functionality. This prevents sharing timer drivers across architectures. This patch moves the pain of dealing with timer broadcasts to the core clockevents tick broadcast code, which already maintains its own list of timers. Signed-off-by: Mark Rutland --- arch/arm/kernel/smp.c | 8 +------- 1 files changed, 1 insertions(+), 7 deletions(-) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 21954bc..59bf6d5 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -467,12 +467,6 @@ u64 smp_irq_stat_cpu(unsigned int cpu) */ static DEFINE_PER_CPU(struct clock_event_device, percpu_clockevent); -static void ipi_timer(void) -{ - struct clock_event_device *evt = &__get_cpu_var(percpu_clockevent); - evt->event_handler(evt); -} - static void smp_timer_broadcast(const struct cpumask *mask) { smp_cross_call(mask, IPI_TIMER); @@ -586,7 +580,7 @@ void handle_IPI(int ipinr, struct pt_regs *regs) case IPI_TIMER: irq_enter(); - ipi_timer(); + tick_receive_broadcast(); irq_exit(); break; -- 1.7.0.4