From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1162232AbbKEOoS (ORCPT ); Thu, 5 Nov 2015 09:44:18 -0500 Received: from terminus.zytor.com ([198.137.202.10]:34536 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1162065AbbKEOoL (ORCPT ); Thu, 5 Nov 2015 09:44:11 -0500 Date: Thu, 5 Nov 2015 06:43:13 -0800 From: tip-bot for Linus Torvalds Message-ID: Cc: mingo@kernel.org, bp@alien8.de, torvalds@linux-foundation.org, travis@sgi.com, hpa@zytor.com, daniel@numascale.com, tglx@linutronix.de, linux-kernel@vger.kernel.org, peterz@infradead.org Reply-To: travis@sgi.com, torvalds@linux-foundation.org, mingo@kernel.org, bp@alien8.de, peterz@infradead.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, hpa@zytor.com, daniel@numascale.com In-Reply-To: <20151104220848.817975597@linutronix.de> References: <20151104220848.817975597@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/apic] x86/apic: Implement single target IPI function for x2apic_cluster Git-Commit-ID: 7b6ce46cb3d096831dea3accacee4717c66abac8 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: 7b6ce46cb3d096831dea3accacee4717c66abac8 Gitweb: http://git.kernel.org/tip/7b6ce46cb3d096831dea3accacee4717c66abac8 Author: Linus Torvalds AuthorDate: Wed, 4 Nov 2015 22:57:00 +0000 Committer: Thomas Gleixner CommitDate: Thu, 5 Nov 2015 13:07:52 +0100 x86/apic: Implement single target IPI function for x2apic_cluster [ tglx: Split it out from the patch which provides the new callback ] Signed-off-by: Linus Torvalds Reviewed-by: Ingo Molnar Cc: Borislav Petkov Cc: Peter Zijlstra Cc: Mike Travis Cc: Daniel J Blueman Link: http://lkml.kernel.org/r/20151104220848.817975597@linutronix.de Signed-off-by: Thomas Gleixner --- arch/x86/kernel/apic/x2apic_cluster.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index cc8311c..aca8b75 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c @@ -23,6 +23,14 @@ static inline u32 x2apic_cluster(int cpu) return per_cpu(x86_cpu_to_logical_apicid, cpu) >> 16; } +static void x2apic_send_IPI(int cpu, int vector) +{ + u32 dest = per_cpu(x86_cpu_to_logical_apicid, cpu); + + x2apic_wrmsr_fence(); + __x2apic_send_IPI_dest(dest, vector, APIC_DEST_LOGICAL); +} + static void __x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest) { @@ -266,6 +274,7 @@ static struct apic apic_x2apic_cluster = { .cpu_mask_to_apicid_and = x2apic_cpu_mask_to_apicid_and, + .send_IPI = x2apic_send_IPI, .send_IPI_mask = x2apic_send_IPI_mask, .send_IPI_mask_allbutself = x2apic_send_IPI_mask_allbutself, .send_IPI_allbutself = x2apic_send_IPI_allbutself,