From patchwork Mon May 6 06:56:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 10930561 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C32F31390 for ; Mon, 6 May 2019 06:59:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AFD4228590 for ; Mon, 6 May 2019 06:59:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A32A82861E; Mon, 6 May 2019 06:59:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 50D0528590 for ; Mon, 6 May 2019 06:59:10 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hNXYg-00025y-MU; Mon, 06 May 2019 06:57:06 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hNXYd-0001z1-H0 for xen-devel@lists.xenproject.org; Mon, 06 May 2019 06:57:03 +0000 X-Inumbo-ID: 25092881-6fcc-11e9-843c-bc764e045a96 Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 25092881-6fcc-11e9-843c-bc764e045a96; Mon, 06 May 2019 06:57:00 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id DD36BAF2D; Mon, 6 May 2019 06:56:55 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Mon, 6 May 2019 08:56:26 +0200 Message-Id: <20190506065644.7415-28-jgross@suse.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190506065644.7415-1-jgross@suse.com> References: <20190506065644.7415-1-jgross@suse.com> Subject: [Xen-devel] [PATCH RFC V2 27/45] xen/sched: switch sched_move_irqs() to take sched_item as parameter X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , George Dunlap , Dario Faggioli MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP sched_move_irqs() should work on a sched_item as that is the item moved between cpus. Rename the current function to vcpu_move_irqs() as it is still needed in schedule(). Signed-off-by: Juergen Gross --- xen/common/schedule.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/xen/common/schedule.c b/xen/common/schedule.c index e9d7e437ac..5368d66cfc 100644 --- a/xen/common/schedule.c +++ b/xen/common/schedule.c @@ -406,12 +406,20 @@ int sched_init_vcpu(struct vcpu *v) return 0; } -static void sched_move_irqs(struct vcpu *v) +static void vcpu_move_irqs(struct vcpu *v) { arch_move_irqs(v); evtchn_move_pirqs(v); } +static void sched_move_irqs(struct sched_item *item) +{ + struct vcpu *v; + + for_each_sched_item_vcpu( item, v ) + vcpu_move_irqs(v); +} + int sched_move_domain(struct domain *d, struct cpupool *c) { struct vcpu *v; @@ -491,7 +499,7 @@ int sched_move_domain(struct domain *d, struct cpupool *c) v->sched_item->priv = vcpu_priv[v->vcpu_id]; if ( !d->is_dying ) - sched_move_irqs(v); + sched_move_irqs(v->sched_item); new_p = cpumask_cycle(new_p, c->cpu_valid); @@ -784,7 +792,7 @@ static void vcpu_migrate_finish(struct vcpu *v) sched_spin_unlock_double(old_lock, new_lock, flags); if ( old_cpu != new_cpu ) - sched_move_irqs(v); + sched_move_irqs(v->sched_item); /* Wake on new CPU. */ vcpu_wake(v); @@ -862,7 +870,7 @@ void restore_vcpu_affinity(struct domain *d) spin_unlock_irq(lock); if ( old_cpu != v->processor ) - sched_move_irqs(v); + sched_move_irqs(v->sched_item); } domain_update_node_affinity(d); @@ -1635,7 +1643,7 @@ static void schedule(void) stop_timer(&prev->vcpu->periodic_timer); if ( next_slice.migrated ) - sched_move_irqs(next->vcpu); + vcpu_move_irqs(next->vcpu); vcpu_periodic_timer_work(next->vcpu);