From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiang Liu Subject: [RFC PATCH v2 03/25] smp, ARC: kill SMP single function call interrupt Date: Thu, 12 Sep 2013 00:07:07 +0800 Message-ID: <1378915649-16395-4-git-send-email-liuj97@gmail.com> References: <1378915649-16395-1-git-send-email-liuj97@gmail.com> Return-path: In-Reply-To: <1378915649-16395-1-git-send-email-liuj97@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Andrew Morton , Vineet Gupta , Arnd Bergmann , 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 List-Id: linux-arch.vger.kernel.org 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/arc/kernel/smp.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c index bca3052..f6a0373 100644 --- a/arch/arc/kernel/smp.c +++ b/arch/arc/kernel/smp.c @@ -210,7 +210,6 @@ enum ipi_msg_type { IPI_NOP = 0, IPI_RESCHEDULE = 1, IPI_CALL_FUNC, - IPI_CALL_FUNC_SINGLE, IPI_CPU_STOP }; @@ -254,7 +253,7 @@ void smp_send_stop(void) void arch_send_call_function_single_ipi(int cpu) { - ipi_send_msg(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE); + ipi_send_msg(cpumask_of(cpu), IPI_CALL_FUNC); } void arch_send_call_function_ipi_mask(const struct cpumask *mask) @@ -286,10 +285,6 @@ static inline void __do_IPI(unsigned long *ops, struct ipi_data *ipi, int cpu) generic_smp_call_function_interrupt(); break; - case IPI_CALL_FUNC_SINGLE: - generic_smp_call_function_single_interrupt(); - break; - case IPI_CPU_STOP: ipi_cpu_stop(cpu); break; -- 1.8.1.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f179.google.com ([209.85.192.179]:47323 "EHLO mail-pd0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756231Ab3IKQIR (ORCPT ); Wed, 11 Sep 2013 12:08:17 -0400 From: Jiang Liu Subject: [RFC PATCH v2 03/25] smp, ARC: kill SMP single function call interrupt Date: Thu, 12 Sep 2013 00:07:07 +0800 Message-ID: <1378915649-16395-4-git-send-email-liuj97@gmail.com> In-Reply-To: <1378915649-16395-1-git-send-email-liuj97@gmail.com> References: <1378915649-16395-1-git-send-email-liuj97@gmail.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Andrew Morton , Vineet Gupta , Arnd Bergmann , 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 Message-ID: <20130911160707.OlPzK6tm69wOuumcw_FNq3sDaryaNFe_p5rEtIaKRDA@z> 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/arc/kernel/smp.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c index bca3052..f6a0373 100644 --- a/arch/arc/kernel/smp.c +++ b/arch/arc/kernel/smp.c @@ -210,7 +210,6 @@ enum ipi_msg_type { IPI_NOP = 0, IPI_RESCHEDULE = 1, IPI_CALL_FUNC, - IPI_CALL_FUNC_SINGLE, IPI_CPU_STOP }; @@ -254,7 +253,7 @@ void smp_send_stop(void) void arch_send_call_function_single_ipi(int cpu) { - ipi_send_msg(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE); + ipi_send_msg(cpumask_of(cpu), IPI_CALL_FUNC); } void arch_send_call_function_ipi_mask(const struct cpumask *mask) @@ -286,10 +285,6 @@ static inline void __do_IPI(unsigned long *ops, struct ipi_data *ipi, int cpu) generic_smp_call_function_interrupt(); break; - case IPI_CALL_FUNC_SINGLE: - generic_smp_call_function_single_interrupt(); - break; - case IPI_CPU_STOP: ipi_cpu_stop(cpu); break; -- 1.8.1.2