From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752142AbaHUOx1 (ORCPT ); Thu, 21 Aug 2014 10:53:27 -0400 Received: from mail-we0-f178.google.com ([74.125.82.178]:43148 "EHLO mail-we0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751016AbaHUOxY (ORCPT ); Thu, 21 Aug 2014 10:53:24 -0400 From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Catalin Iacob , Dave Jones , Ingo Molnar , Kevin Hilman , "Paul E. McKenney" , Peter Zijlstra , Russell King , Stephen Boyd , Thomas Gleixner Subject: [RFC PATCH 6/9] arm: Tell irq work about self IPI support Date: Thu, 21 Aug 2014 16:52:54 +0200 Message-Id: <1408632777-3348-7-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1408632777-3348-1-git-send-email-fweisbec@gmail.com> References: <1408632777-3348-1-git-send-email-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ARM irq work IPI support depends on SMP support. That information is partly known at early boottime. Lets implement arch_irq_work_has_own_interrupt() accordingly. Cc: Catalin Iacob Cc: Dave Jones Cc: Ingo Molnar Cc: Kevin Hilman Cc: Paul E. McKenney Cc: Peter Zijlstra Cc: Russell King Cc: Stephen Boyd Cc: Thomas Gleixner Signed-off-by: Frederic Weisbecker --- arch/arm/kernel/smp.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 9388a3d..560c52e 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -506,6 +506,11 @@ void arch_irq_work_raise(void) if (is_smp()) smp_cross_call(cpumask_of(smp_processor_id()), IPI_IRQ_WORK); } + +int __init arch_irq_work_has_own_interrupt(void) +{ + return is_smp(); +} #endif #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST -- 1.8.3.1