From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiang Liu 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> References: <1378915649-16395-1-git-send-email-liuj97@gmail.com> Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=wuIJM+0VvZW2nuHWP9TCgPrAzgnMODM9tSbbx7P/O94=; b=n9z3HHn6giknkPL9YOvqDWKrdDBzmBFJox7R7ZYb9fsQL0JwWXLHvcu509S7myFkiV 8q2vEIHFAFk5RxBM3V9TwRHLu3jOO9mdJT/9POMUB59Pleni1pkkZAjRFcE3Pq5aeYBM p9qaEZytMYZmS2feuOkRGSKerDRvkmf+D1ewPsMmvh/Qxow+LTviTUS3186ATNE6ZPFo 2Bjeia8y0z5DFo1bigJR0ecfRcT5+JBh2gGnryUSjl9Pjt5MI6Qzz1B6Hb2akP4gjGij h/tg59x4q7j3PJ0VI7dp9yRbGiZNsTIpTljvpCFtSSYtPc0sXmVCkWMrG6+4XZJDEM7b U9LQ== In-Reply-To: <1378915649-16395-1-git-send-email-liuj97@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 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