From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1162322AbbKEOrv (ORCPT ); Thu, 5 Nov 2015 09:47:51 -0500 Received: from terminus.zytor.com ([198.137.202.10]:34698 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161604AbbKEOrt (ORCPT ); Thu, 5 Nov 2015 09:47:49 -0500 Date: Thu, 5 Nov 2015 06:47:09 -0800 From: tip-bot for Thomas Gleixner Message-ID: Cc: peterz@infradead.org, torvalds@linux-foundation.org, daniel@numascale.com, mingo@kernel.org, bp@alien.de, travis@sgi.com, tglx@linutronix.de, hpa@zytor.com, linux-kernel@vger.kernel.org Reply-To: bp@alien.de, travis@sgi.com, hpa@zytor.com, tglx@linutronix.de, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, peterz@infradead.org, mingo@kernel.org, daniel@numascale.com In-Reply-To: <20151104220849.807817097@linutronix.de> References: <20151104220849.807817097@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/apic] x86/smp: Remove single IPI wrapper Git-Commit-ID: 72613184a1f076659e8a902d64351f50d3f9c990 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 72613184a1f076659e8a902d64351f50d3f9c990 Gitweb: http://git.kernel.org/tip/72613184a1f076659e8a902d64351f50d3f9c990 Author: Thomas Gleixner AuthorDate: Wed, 4 Nov 2015 22:57:09 +0000 Committer: Thomas Gleixner CommitDate: Thu, 5 Nov 2015 13:07:54 +0100 x86/smp: Remove single IPI wrapper All APIC implementation have send_IPI now. Remove the conditional in the calling code. Signed-off-by: Thomas Gleixner Reviewed-by: Ingo Molnar Cc: Linus Torvalds Cc: Borislav Petkov Cc: Peter Zijlstra Cc: Mike Travis Cc: Daniel J Blueman Link: http://lkml.kernel.org/r/20151104220849.807817097@linutronix.de --- arch/x86/kernel/smp.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index 1dbf590..658777c 100644 --- a/arch/x86/kernel/smp.c +++ b/arch/x86/kernel/smp.c @@ -115,18 +115,6 @@ static atomic_t stopping_cpu = ATOMIC_INIT(-1); 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(int cpu) 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)