Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756335Ab3IKQIp (ORCPT ); Wed, 11 Sep 2013 12:08:45 -0400 Received: from mail-pd0-f173.google.com ([209.85.192.173]:39196 "EHLO mail-pd0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756305Ab3IKQIm (ORCPT ); Wed, 11 Sep 2013 12:08:42 -0400 From: Jiang Liu To: Andrew Morton , Shaohua Li Cc: liuj97@gmail.com, Jiang Liu , Ingo Molnar , Peter Zijlstra , Steven Rostedt , Jiri Kosina , Wang YanQing , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Richard Kuo , linux-hexagon@vger.kernel.org Subject: [RFC PATCH v2 07/25] smp, hexagon: kill SMP single function call interrupt Date: Thu, 12 Sep 2013 00:07:11 +0800 Message-Id: <1378915649-16395-8-git-send-email-liuj97@gmail.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1378915649-16395-1-git-send-email-liuj97@gmail.com> References: <1378915649-16395-1-git-send-email-liuj97@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2225 Lines: 67 From: Jiang Liu Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic similar to smp_call_function_single()" has unified the way to handle single and multiple cross-CPU function calls. Now only one interrupt is needed for architecture specific code to support generic SMP function call interfaces, so kill the redundant single function call interrupt. Signed-off-by: Jiang Liu Cc: Jiang Liu Cc: Andrew Morton Cc: Shaohua Li Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Steven Rostedt Cc: Jiri Kosina Cc: Richard Kuo Cc: linux-hexagon@vger.kernel.org --- arch/hexagon/include/asm/smp.h | 1 - arch/hexagon/kernel/smp.c | 6 +----- 2 files changed, 1 insertion(+), 6 deletions(-) diff --git a/arch/hexagon/include/asm/smp.h b/arch/hexagon/include/asm/smp.h index 2b9b974..ca171c1 100644 --- a/arch/hexagon/include/asm/smp.h +++ b/arch/hexagon/include/asm/smp.h @@ -29,7 +29,6 @@ enum ipi_message_type { IPI_NOP = 0, IPI_RESCHEDULE = 1, IPI_CALL_FUNC, - IPI_CALL_FUNC_SINGLE, IPI_CPU_STOP, IPI_TIMER, }; diff --git a/arch/hexagon/kernel/smp.c b/arch/hexagon/kernel/smp.c index 9faaa94..ff759f2 100644 --- a/arch/hexagon/kernel/smp.c +++ b/arch/hexagon/kernel/smp.c @@ -64,10 +64,6 @@ static inline void __handle_ipi(unsigned long *ops, struct ipi_data *ipi, generic_smp_call_function_interrupt(); break; - case IPI_CALL_FUNC_SINGLE: - generic_smp_call_function_single_interrupt(); - break; - case IPI_CPU_STOP: /* * call vmstop() @@ -248,7 +244,7 @@ void smp_send_stop(void) void arch_send_call_function_single_ipi(int cpu) { - send_ipi(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE); + send_ipi(cpumask_of(cpu), IPI_CALL_FUNC); } void arch_send_call_function_ipi_mask(const struct cpumask *mask) -- 1.8.1.2 -- 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/