add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/infiniband/core/security.c
..
..
@@ -39,22 +39,25 @@
39
39
 #include "core_priv.h"
40
40
 #include "mad_priv.h"
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41
 
42
+static LIST_HEAD(mad_agent_list);
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+/* Lock to protect mad_agent_list */
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+static DEFINE_SPINLOCK(mad_agent_list_lock);
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+
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46
 static struct pkey_index_qp_list *get_pkey_idx_qp_list(struct ib_port_pkey *pp)
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47
 {
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 	struct pkey_index_qp_list *pkey = NULL;
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49
 	struct pkey_index_qp_list *tmp_pkey;
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50
 	struct ib_device *dev = pp->sec->dev;
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51
 
48
-	spin_lock(&dev->port_pkey_list[pp->port_num].list_lock);
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-	list_for_each_entry(tmp_pkey,
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-			    &dev->port_pkey_list[pp->port_num].pkey_list,
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-			    pkey_index_list) {
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+	spin_lock(&dev->port_data[pp->port_num].pkey_list_lock);
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+	list_for_each_entry (tmp_pkey, &dev->port_data[pp->port_num].pkey_list,
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+			     pkey_index_list) {
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 		if (tmp_pkey->pkey_index == pp->pkey_index) {
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 			pkey = tmp_pkey;
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 			break;
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58
 		}
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59
 	}
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-	spin_unlock(&dev->port_pkey_list[pp->port_num].list_lock);
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+	spin_unlock(&dev->port_data[pp->port_num].pkey_list_lock);
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 	return pkey;
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 }
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63
 
..
..
@@ -259,12 +262,12 @@
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 		if (!pkey)
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263
 			return -ENOMEM;
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264
 
262
-		spin_lock(&dev->port_pkey_list[port_num].list_lock);
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+		spin_lock(&dev->port_data[port_num].pkey_list_lock);
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266
 		/* Check for the PKey again.  A racing process may
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267
 		 * have created it.
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268
 		 */
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269
 		list_for_each_entry(tmp_pkey,
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-				    &dev->port_pkey_list[port_num].pkey_list,
270
+				    &dev->port_data[port_num].pkey_list,
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271
 				    pkey_index_list) {
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272
 			if (tmp_pkey->pkey_index == pp->pkey_index) {
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273
 				kfree(pkey);
..
..
@@ -279,9 +282,9 @@
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282
 			spin_lock_init(&pkey->qp_list_lock);
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 			INIT_LIST_HEAD(&pkey->qp_list);
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 			list_add(&pkey->pkey_index_list,
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-				 &dev->port_pkey_list[port_num].pkey_list);
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+				 &dev->port_data[port_num].pkey_list);
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286
 		}
284
-		spin_unlock(&dev->port_pkey_list[port_num].list_lock);
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+		spin_unlock(&dev->port_data[port_num].pkey_list_lock);
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 	}
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289
 
287
290
 	spin_lock(&pkey->qp_list_lock);
..
..
@@ -411,12 +414,15 @@
411
414
 
412
415
 int ib_create_qp_security(struct ib_qp *qp, struct ib_device *dev)
413
416
 {
414
-	u8 i = rdma_start_port(dev);
417
+	unsigned int i;
415
418
 	bool is_ib = false;
416
419
 	int ret;
417
420
 
418
-	while (i <= rdma_end_port(dev) && !is_ib)
419
-		is_ib = rdma_protocol_ib(dev, i++);
421
+	rdma_for_each_port (dev, i) {
422
+		is_ib = rdma_protocol_ib(dev, i);
423
+		if (is_ib)
424
+			break;
425
+	}
420
426
 
421
427
 	/* If this isn't an IB device don't create the security context */
422
428
 	if (!is_ib)
..
..
@@ -537,9 +543,8 @@
537
543
 {
538
544
 	struct pkey_index_qp_list *pkey;
539
545
 
540
-	list_for_each_entry(pkey,
541
-			    &device->port_pkey_list[port_num].pkey_list,
542
-			    pkey_index_list) {
546
+	list_for_each_entry (pkey, &device->port_data[port_num].pkey_list,
547
+			     pkey_index_list) {
543
548
 		check_pkey_qps(pkey,
544
549
 			       device,
545
550
 			       port_num,
..
..
@@ -547,21 +552,19 @@
547
552
 	}
548
553
 }
549
554
 
550
-void ib_security_destroy_port_pkey_list(struct ib_device *device)
555
+void ib_security_release_port_pkey_list(struct ib_device *device)
551
556
 {
552
557
 	struct pkey_index_qp_list *pkey, *tmp_pkey;
553
-	int i;
558
+	unsigned int i;
554
559
 
555
-	for (i = rdma_start_port(device); i <= rdma_end_port(device); i++) {
556
-		spin_lock(&device->port_pkey_list[i].list_lock);
560
+	rdma_for_each_port (device, i) {
557
561
 		list_for_each_entry_safe(pkey,
558
562
 					 tmp_pkey,
559
-					 &device->port_pkey_list[i].pkey_list,
563
+					 &device->port_data[i].pkey_list,
560
564
 					 pkey_index_list) {
561
565
 			list_del(&pkey->pkey_index_list);
562
566
 			kfree(pkey);
563
567
 		}
564
-		spin_unlock(&device->port_pkey_list[i].list_lock);
565
568
 	}
566
569
 }
567
570
 
..
..
@@ -619,10 +622,10 @@
619
622
 	}
620
623
 
621
624
 	if (!ret)
622
-		ret = real_qp->device->modify_qp(real_qp,
623
-						 qp_attr,
624
-						 qp_attr_mask,
625
-						 udata);
625
+		ret = real_qp->device->ops.modify_qp(real_qp,
626
+						     qp_attr,
627
+						     qp_attr_mask,
628
+						     udata);
626
629
 
627
630
 	if (new_pps) {
628
631
 		/* Clean up the lists and free the appropriate
..
..
@@ -669,20 +672,18 @@
669
672
 	return security_ib_pkey_access(sec, subnet_prefix, pkey);
670
673
 }
671
674
 
672
-static int ib_mad_agent_security_change(struct notifier_block *nb,
673
-					unsigned long event,
674
-					void *data)
675
+void ib_mad_agent_security_change(void)
675
676
 {
676
-	struct ib_mad_agent *ag = container_of(nb, struct ib_mad_agent, lsm_nb);
677
+	struct ib_mad_agent *ag;
677
678
 
678
-	if (event != LSM_POLICY_CHANGE)
679
-		return NOTIFY_DONE;
680
-
681
-	ag->smp_allowed = !security_ib_endport_manage_subnet(ag->security,
682
-							     ag->device->name,
683
-							     ag->port_num);
684
-
685
-	return NOTIFY_OK;
679
+	spin_lock(&mad_agent_list_lock);
680
+	list_for_each_entry(ag,
681
+			    &mad_agent_list,
682
+			    mad_agent_sec_list)
683
+		WRITE_ONCE(ag->smp_allowed,
684
+			   !security_ib_endport_manage_subnet(ag->security,
685
+				dev_name(&ag->device->dev), ag->port_num));
686
+	spin_unlock(&mad_agent_list_lock);
686
687
 }
687
688
 
688
689
 int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
..
..
@@ -693,6 +694,8 @@
693
694
 	if (!rdma_protocol_ib(agent->device, agent->port_num))
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695
 		return 0;
695
696
 
697
+	INIT_LIST_HEAD(&agent->mad_agent_sec_list);
698
+
696
699
 	ret = security_ib_alloc_security(&agent->security);
697
700
 	if (ret)
698
701
 		return ret;
..
..
@@ -700,22 +703,20 @@
700
703
 	if (qp_type != IB_QPT_SMI)
701
704
 		return 0;
702
705
 
706
+	spin_lock(&mad_agent_list_lock);
703
707
 	ret = security_ib_endport_manage_subnet(agent->security,
704
-						agent->device->name,
708
+						dev_name(&agent->device->dev),
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709
 						agent->port_num);
706
710
 	if (ret)
707
711
 		goto free_security;
708
712
 
709
-	agent->lsm_nb.notifier_call = ib_mad_agent_security_change;
710
-	ret = register_lsm_notifier(&agent->lsm_nb);
711
-	if (ret)
712
-		goto free_security;
713
-
714
-	agent->smp_allowed = true;
715
-	agent->lsm_nb_reg = true;
713
+	WRITE_ONCE(agent->smp_allowed, true);
714
+	list_add(&agent->mad_agent_sec_list, &mad_agent_list);
715
+	spin_unlock(&mad_agent_list_lock);
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716
 	return 0;
717
717
 
718
718
 free_security:
719
+	spin_unlock(&mad_agent_list_lock);
719
720
 	security_ib_free_security(agent->security);
720
721
 	return ret;
721
722
 }
..
..
@@ -725,8 +726,11 @@
725
726
 	if (!rdma_protocol_ib(agent->device, agent->port_num))
726
727
 		return;
727
728
 
728
-	if (agent->lsm_nb_reg)
729
-		unregister_lsm_notifier(&agent->lsm_nb);
729
+	if (agent->qp->qp_type == IB_QPT_SMI) {
730
+		spin_lock(&mad_agent_list_lock);
731
+		list_del(&agent->mad_agent_sec_list);
732
+		spin_unlock(&mad_agent_list_lock);
733
+	}
730
734
 
731
735
 	security_ib_free_security(agent->security);
732
736
 }
..
..
@@ -737,7 +741,7 @@
737
741
 		return 0;
738
742
 
739
743
 	if (map->agent.qp->qp_type == IB_QPT_SMI) {
740
-		if (!map->agent.smp_allowed)
744
+		if (!READ_ONCE(map->agent.smp_allowed))
741
745
 			return -EACCES;
742
746
 		return 0;
743
747
 	}