From patchwork Fri Sep 27 07:00:27 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: 11163891 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 004CC17EE for ; Fri, 27 Sep 2019 07:02:41 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DB16F20872 for ; Fri, 27 Sep 2019 07:02:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DB16F20872 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iDkGD-0003pB-AP; Fri, 27 Sep 2019 07:01:49 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iDkGB-0003nF-Q1 for xen-devel@lists.xenproject.org; Fri, 27 Sep 2019 07:01:47 +0000 X-Inumbo-ID: 920976c8-e0f4-11e9-bf31-bc764e2007e4 Received: from mx1.suse.de (unknown [195.135.220.15]) by localhost (Halon) with ESMTPS id 920976c8-e0f4-11e9-bf31-bc764e2007e4; Fri, 27 Sep 2019 07:01:04 +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 4BB6DB178; Fri, 27 Sep 2019 07:01:01 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Fri, 27 Sep 2019 09:00:27 +0200 Message-Id: <20190927070050.12405-24-jgross@suse.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190927070050.12405-1-jgross@suse.com> References: <20190927070050.12405-1-jgross@suse.com> Subject: [Xen-devel] [PATCH v4 23/46] xen/sched: switch sched_move_irqs() to take sched_unit 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" sched_move_irqs() should work on a sched_unit as that is the unit moved between cpus. Rename the current function to vcpu_move_irqs() as it is still needed in schedule(). Signed-off-by: Juergen Gross Reviewed-by: Dario Faggioli --- V4: - make parameter const (Jan Beulich) --- 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 ce07b2cf99..46f3c85cc5 100644 --- a/xen/common/schedule.c +++ b/xen/common/schedule.c @@ -485,12 +485,20 @@ 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(const struct sched_unit *unit) +{ + struct vcpu *v; + + for_each_sched_unit_vcpu ( unit, v ) + vcpu_move_irqs(v); +} + int sched_move_domain(struct domain *d, struct cpupool *c) { struct vcpu *v; @@ -570,7 +578,7 @@ int sched_move_domain(struct domain *d, struct cpupool *c) v->sched_unit->priv = vcpu_priv[v->vcpu_id]; if ( !d->is_dying ) - sched_move_irqs(v); + sched_move_irqs(v->sched_unit); new_p = cpumask_cycle(new_p, c->cpu_valid); @@ -863,7 +871,7 @@ 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_unit); /* Wake on new CPU. */ vcpu_wake(v); @@ -928,7 +936,7 @@ 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_unit); } domain_update_node_affinity(d); @@ -1745,7 +1753,7 @@ static void schedule(void) stop_timer(&prev->vcpu_list->periodic_timer); if ( next_slice.migrated ) - sched_move_irqs(next->vcpu_list); + vcpu_move_irqs(next->vcpu_list); vcpu_periodic_timer_work(next->vcpu_list);