From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031778AbbKDW5z (ORCPT ); Wed, 4 Nov 2015 17:57:55 -0500 Received: from www.linutronix.de ([62.245.132.108]:52130 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031765AbbKDW5u (ORCPT ); Wed, 4 Nov 2015 17:57:50 -0500 Message-Id: <20151104220849.807817097@linutronix.de> User-Agent: quilt/0.63-1 Date: Wed, 04 Nov 2015 22:57:09 -0000 From: Thomas Gleixner To: LKML Cc: Linus Torvalds , Ingo Molnar , Peter Anvin , Borislav Petkov , Peter Zijlstra , Mike Travis , Daniel J Blueman Subject: [patch 14/14] x86/smp: Remove single IPI wrapper References: <20151104215716.810356093@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=x86-smp--Remove-single-IPI-wrapper X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001,URIBL_BLOCKED=0.001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org All APIC implementation have send_IPI now. Remove the conditional in the calling code. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/smp.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) Index: linux/arch/x86/kernel/smp.c =================================================================== --- linux.orig/arch/x86/kernel/smp.c +++ linux/arch/x86/kernel/smp.c @@ -115,18 +115,6 @@ static atomic_t stopping_cpu = ATOMIC_IN static bool smp_no_nmi_ipi = false; /* - * Helper wrapper: not all apic definitions support sending to - * a single CPU, so we fall back to sending to a mask. - */ -static void send_IPI_cpu(int cpu, int vector) -{ - if (apic->send_IPI) - apic->send_IPI(cpu, vector); - else - apic->send_IPI_mask(cpumask_of(cpu), vector); -} - -/* * this function sends a 'reschedule' IPI to another CPU. * it goes straight through and wastes no time serializing * anything. Worst case is that we lose a reschedule ... @@ -137,12 +125,12 @@ static void native_smp_send_reschedule(i WARN_ON(1); return; } - send_IPI_cpu(cpu, RESCHEDULE_VECTOR); + apic->send_IPI(cpu, RESCHEDULE_VECTOR); } void native_send_call_func_single_ipi(int cpu) { - send_IPI_cpu(cpu, CALL_FUNCTION_SINGLE_VECTOR); + apic->send_IPI(cpu, CALL_FUNCTION_SINGLE_VECTOR); } void native_send_call_func_ipi(const struct cpumask *mask)