From patchwork Fri Sep 27 07:00:06 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: 11163915 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 29BCA912 for ; Fri, 27 Sep 2019 07:02:53 +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 03ECE20872 for ; Fri, 27 Sep 2019 07:02:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 03ECE20872 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 1iDkFU-00037r-9a; Fri, 27 Sep 2019 07:01:04 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iDkFS-000368-P3 for xen-devel@lists.xenproject.org; Fri, 27 Sep 2019 07:01:02 +0000 X-Inumbo-ID: 8d51577c-e0f4-11e9-bf31-bc764e2007e4 Received: from mx1.suse.de (unknown [195.135.220.15]) by localhost (Halon) with ESMTPS id 8d51577c-e0f4-11e9-bf31-bc764e2007e4; Fri, 27 Sep 2019 07:00:56 +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 49A1AAECB; Fri, 27 Sep 2019 07:00:55 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Fri, 27 Sep 2019 09:00:06 +0200 Message-Id: <20190927070050.12405-3-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 02/46] xen/sched: move per-vcpu scheduler private data pointer to sched_unit 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 , Tim Deegan , Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Robert VanVossen , Dario Faggioli , Julien Grall , Josh Whitehead , Meng Xu , Jan Beulich MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" This prepares making the different schedulers vcpu agnostic. Note that some scheduler specific accessor function are misnamed after this patch. This will be corrected in later patches. Signed-off-by: Juergen Gross Reviewed-by: Dario Faggioli --- xen/common/sched_arinc653.c | 4 ++-- xen/common/sched_credit.c | 6 +++--- xen/common/sched_credit2.c | 10 +++++----- xen/common/sched_null.c | 4 ++-- xen/common/sched_rt.c | 4 ++-- xen/common/schedule.c | 14 +++++++------- xen/include/xen/sched.h | 2 +- 7 files changed, 22 insertions(+), 22 deletions(-) diff --git a/xen/common/sched_arinc653.c b/xen/common/sched_arinc653.c index 7f9ef36b42..67009f235d 100644 --- a/xen/common/sched_arinc653.c +++ b/xen/common/sched_arinc653.c @@ -53,7 +53,7 @@ * Return a pointer to the ARINC 653-specific scheduler data information * associated with the given VCPU (vc) */ -#define AVCPU(vc) ((arinc653_vcpu_t *)(vc)->sched_priv) +#define AVCPU(vc) ((arinc653_vcpu_t *)(vc)->sched_unit->priv) /** * Return the global scheduler private data given the scheduler ops pointer @@ -653,7 +653,7 @@ a653_switch_sched(struct scheduler *new_ops, unsigned int cpu, ASSERT(!pdata && svc && is_idle_vcpu(svc->vc)); - idle_vcpu[cpu]->sched_priv = vdata; + idle_vcpu[cpu]->sched_unit->priv = vdata; return &sd->_lock; } diff --git a/xen/common/sched_credit.c b/xen/common/sched_credit.c index f7c751c2e9..3f77cabc73 100644 --- a/xen/common/sched_credit.c +++ b/xen/common/sched_credit.c @@ -83,7 +83,7 @@ ((struct csched_private *)((_ops)->sched_data)) #define CSCHED_PCPU(_c) \ ((struct csched_pcpu *)per_cpu(schedule_data, _c).sched_priv) -#define CSCHED_VCPU(_vcpu) ((struct csched_vcpu *) (_vcpu)->sched_priv) +#define CSCHED_VCPU(_vcpu) ((struct csched_vcpu *) (_vcpu)->sched_unit->priv) #define CSCHED_DOM(_dom) ((struct csched_dom *) (_dom)->sched_priv) #define RUNQ(_cpu) (&(CSCHED_PCPU(_cpu)->runq)) @@ -634,7 +634,7 @@ csched_switch_sched(struct scheduler *new_ops, unsigned int cpu, ASSERT(svc && is_idle_vcpu(svc->vcpu)); - idle_vcpu[cpu]->sched_priv = vdata; + idle_vcpu[cpu]->sched_unit->priv = vdata; /* * We are holding the runqueue lock already (it's been taken in @@ -1017,7 +1017,7 @@ static void csched_unit_insert(const struct scheduler *ops, struct sched_unit *unit) { struct vcpu *vc = unit->vcpu_list; - struct csched_vcpu *svc = vc->sched_priv; + struct csched_vcpu *svc = unit->priv; spinlock_t *lock; BUG_ON( is_idle_vcpu(vc) ); diff --git a/xen/common/sched_credit2.c b/xen/common/sched_credit2.c index 929f2a2450..7eb8330a31 100644 --- a/xen/common/sched_credit2.c +++ b/xen/common/sched_credit2.c @@ -573,7 +573,7 @@ static inline struct csched2_pcpu *csched2_pcpu(unsigned int cpu) static inline struct csched2_vcpu *csched2_vcpu(const struct vcpu *v) { - return v->sched_priv; + return v->sched_unit->priv; } static inline struct csched2_dom *csched2_dom(const struct domain *d) @@ -971,7 +971,7 @@ _runq_assign(struct csched2_vcpu *svc, struct csched2_runqueue_data *rqd) static void runq_assign(const struct scheduler *ops, struct vcpu *vc) { - struct csched2_vcpu *svc = vc->sched_priv; + struct csched2_vcpu *svc = vc->sched_unit->priv; ASSERT(svc->rqd == NULL); @@ -998,7 +998,7 @@ _runq_deassign(struct csched2_vcpu *svc) static void runq_deassign(const struct scheduler *ops, struct vcpu *vc) { - struct csched2_vcpu *svc = vc->sched_priv; + struct csched2_vcpu *svc = vc->sched_unit->priv; ASSERT(svc->rqd == c2rqd(ops, vc->processor)); @@ -3109,7 +3109,7 @@ static void csched2_unit_insert(const struct scheduler *ops, struct sched_unit *unit) { struct vcpu *vc = unit->vcpu_list; - struct csched2_vcpu *svc = vc->sched_priv; + struct csched2_vcpu *svc = unit->priv; struct csched2_dom * const sdom = svc->sdom; spinlock_t *lock; @@ -3891,7 +3891,7 @@ csched2_switch_sched(struct scheduler *new_ops, unsigned int cpu, ASSERT(!local_irq_is_enabled()); write_lock(&prv->lock); - idle_vcpu[cpu]->sched_priv = vdata; + idle_vcpu[cpu]->sched_unit->priv = vdata; rqi = init_pdata(prv, pdata, cpu); diff --git a/xen/common/sched_null.c b/xen/common/sched_null.c index 870bb67a18..48ee5ad0b8 100644 --- a/xen/common/sched_null.c +++ b/xen/common/sched_null.c @@ -116,7 +116,7 @@ static inline struct null_private *null_priv(const struct scheduler *ops) static inline struct null_vcpu *null_vcpu(const struct vcpu *v) { - return v->sched_priv; + return v->sched_unit->priv; } static inline bool vcpu_check_affinity(struct vcpu *v, unsigned int cpu, @@ -422,7 +422,7 @@ static spinlock_t *null_switch_sched(struct scheduler *new_ops, ASSERT(nvc && is_idle_vcpu(nvc->vcpu)); - idle_vcpu[cpu]->sched_priv = vdata; + idle_vcpu[cpu]->sched_unit->priv = vdata; /* * We are holding the runqueue lock already (it's been taken in diff --git a/xen/common/sched_rt.c b/xen/common/sched_rt.c index 492d8f6d2b..4547f55eda 100644 --- a/xen/common/sched_rt.c +++ b/xen/common/sched_rt.c @@ -235,7 +235,7 @@ static inline struct rt_private *rt_priv(const struct scheduler *ops) static inline struct rt_vcpu *rt_vcpu(const struct vcpu *vcpu) { - return vcpu->sched_priv; + return vcpu->sched_unit->priv; } static inline struct list_head *rt_runq(const struct scheduler *ops) @@ -760,7 +760,7 @@ rt_switch_sched(struct scheduler *new_ops, unsigned int cpu, dprintk(XENLOG_DEBUG, "RTDS: timer initialized on cpu %u\n", cpu); } - idle_vcpu[cpu]->sched_priv = vdata; + idle_vcpu[cpu]->sched_unit->priv = vdata; return &prv->lock; } diff --git a/xen/common/schedule.c b/xen/common/schedule.c index 1e9f5d5d5b..6be30c9161 100644 --- a/xen/common/schedule.c +++ b/xen/common/schedule.c @@ -81,7 +81,7 @@ static spinlock_t * sched_idle_switch_sched(struct scheduler *new_ops, unsigned int cpu, void *pdata, void *vdata) { - idle_vcpu[cpu]->sched_priv = NULL; + idle_vcpu[cpu]->sched_unit->priv = NULL; return &sched_free_cpu_lock; } @@ -327,8 +327,8 @@ int sched_init_vcpu(struct vcpu *v, unsigned int processor) init_timer(&v->poll_timer, poll_timer_fn, v, v->processor); - v->sched_priv = sched_alloc_udata(dom_scheduler(d), unit, d->sched_priv); - if ( v->sched_priv == NULL ) + unit->priv = sched_alloc_udata(dom_scheduler(d), unit, d->sched_priv); + if ( unit->priv == NULL ) { xfree(unit); return 1; @@ -424,7 +424,7 @@ int sched_move_domain(struct domain *d, struct cpupool *c) { spinlock_t *lock; - vcpudata = v->sched_priv; + vcpudata = v->sched_unit->priv; migrate_timer(&v->periodic_timer, new_p); migrate_timer(&v->singleshot_timer, new_p); @@ -442,7 +442,7 @@ int sched_move_domain(struct domain *d, struct cpupool *c) */ spin_unlock_irq(lock); - v->sched_priv = vcpu_priv[v->vcpu_id]; + v->sched_unit->priv = vcpu_priv[v->vcpu_id]; if ( !d->is_dying ) sched_move_irqs(v); @@ -474,7 +474,7 @@ void sched_destroy_vcpu(struct vcpu *v) if ( test_and_clear_bool(v->is_urgent) ) atomic_dec(&per_cpu(schedule_data, v->processor).urgent_count); sched_remove_unit(vcpu_scheduler(v), unit); - sched_free_udata(vcpu_scheduler(v), v->sched_priv); + sched_free_udata(vcpu_scheduler(v), unit->priv); v->sched_unit = NULL; xfree(unit); } @@ -1929,7 +1929,7 @@ int schedule_cpu_switch(unsigned int cpu, struct cpupool *c) */ old_lock = pcpu_schedule_lock_irqsave(cpu, &flags); - vpriv_old = idle->sched_priv; + vpriv_old = idle->sched_unit->priv; ppriv_old = sd->sched_priv; new_lock = sched_switch_sched(new_ops, cpu, ppriv, vpriv); diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h index ebe95b59a4..fb45da05ee 100644 --- a/xen/include/xen/sched.h +++ b/xen/include/xen/sched.h @@ -162,7 +162,6 @@ struct vcpu struct timer poll_timer; /* timeout for SCHEDOP_poll */ struct sched_unit *sched_unit; - void *sched_priv; /* scheduler-specific data */ struct vcpu_runstate_info runstate; #ifndef CONFIG_COMPAT @@ -277,6 +276,7 @@ struct vcpu struct sched_unit { struct domain *domain; struct vcpu *vcpu_list; + void *priv; /* scheduler private data */ unsigned int unit_id; };