Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755772Ab3IKQKW (ORCPT ); Wed, 11 Sep 2013 12:10:22 -0400 Received: from mail-pd0-f181.google.com ([209.85.192.181]:42486 "EHLO mail-pd0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756580Ab3IKQKT (ORCPT ); Wed, 11 Sep 2013 12:10:19 -0400 From: Jiang Liu To: Andrew Morton , Paul Mundt , 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 Subject: [RFC PATCH v2 17/25] smp, sh: kill SMP single function call interrupt Date: Thu, 12 Sep 2013 00:07:21 +0800 Message-Id: <1378915649-16395-18-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: 1893 Lines: 58 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 --- arch/sh/include/asm/smp.h | 1 - arch/sh/kernel/smp.c | 5 +---- 2 files changed, 1 insertion(+), 5 deletions(-) diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h index 78b0d0f4..93ce87b 100644 --- a/arch/sh/include/asm/smp.h +++ b/arch/sh/include/asm/smp.h @@ -25,7 +25,6 @@ extern int __cpu_logical_map[NR_CPUS]; enum { SMP_MSG_FUNCTION, SMP_MSG_RESCHEDULE, - SMP_MSG_FUNCTION_SINGLE, SMP_MSG_TIMER, SMP_MSG_NR, /* must be last */ diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index 86a7936..c944d5d 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -282,7 +282,7 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask) void arch_send_call_function_single_ipi(int cpu) { - mp_ops->send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE); + mp_ops->send_ipi(cpu, SMP_MSG_FUNCTION); } void smp_timer_broadcast(const struct cpumask *mask) @@ -309,9 +309,6 @@ void smp_message_recv(unsigned int msg) case SMP_MSG_RESCHEDULE: scheduler_ipi(); break; - case SMP_MSG_FUNCTION_SINGLE: - generic_smp_call_function_single_interrupt(); - break; case SMP_MSG_TIMER: ipi_timer(); break; -- 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/