add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/infiniband/hw/qib/qib_init.c
..
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@@ -36,7 +36,6 @@
36
36
 #include <linux/netdevice.h>
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37
 #include <linux/vmalloc.h>
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38
 #include <linux/delay.h>
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-#include <linux/idr.h>
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 #include <linux/module.h>
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 #include <linux/printk.h>
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 #ifdef CONFIG_INFINIBAND_QIB_DCA
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@@ -95,7 +94,7 @@
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94
 
96
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 static void verify_interrupt(struct timer_list *);
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96
 
98
-static struct idr qib_unit_table;
97
+DEFINE_XARRAY_FLAGS(qib_dev_table, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ);
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98
 u32 qib_cpulist_count;
100
99
 unsigned long *qib_cpulist;
101
100
 
..
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@@ -209,7 +208,6 @@
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 		rcd->rcvegrbuf_chunks = (rcd->rcvegrcnt +
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209
 			rcd->rcvegrbufs_perchunk - 1) /
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 			rcd->rcvegrbufs_perchunk;
212
-		BUG_ON(!is_power_of_2(rcd->rcvegrbufs_perchunk));
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211
 		rcd->rcvegrbufs_perchunk_shift =
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 			ilog2(rcd->rcvegrbufs_perchunk);
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213
 	}
..
..
@@ -786,21 +784,9 @@
786
784
 {
787
785
 }
788
786
 
789
-static inline struct qib_devdata *__qib_lookup(int unit)
790
-{
791
-	return idr_find(&qib_unit_table, unit);
792
-}
793
-
794
787
 struct qib_devdata *qib_lookup(int unit)
795
788
 {
796
-	struct qib_devdata *dd;
797
-	unsigned long flags;
798
-
799
-	spin_lock_irqsave(&qib_devs_lock, flags);
800
-	dd = __qib_lookup(unit);
801
-	spin_unlock_irqrestore(&qib_devs_lock, flags);
802
-
803
-	return dd;
789
+	return xa_load(&qib_dev_table, unit);
804
790
 }
805
791
 
806
792
 /*
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..
@@ -1047,10 +1033,9 @@
1047
1033
 {
1048
1034
 	unsigned long flags;
1049
1035
 
1050
-	spin_lock_irqsave(&qib_devs_lock, flags);
1051
-	idr_remove(&qib_unit_table, dd->unit);
1052
-	list_del(&dd->list);
1053
-	spin_unlock_irqrestore(&qib_devs_lock, flags);
1036
+	xa_lock_irqsave(&qib_dev_table, flags);
1037
+	__xa_erase(&qib_dev_table, dd->unit);
1038
+	xa_unlock_irqrestore(&qib_dev_table, flags);
1054
1039
 
1055
1040
 #ifdef CONFIG_DEBUG_FS
1056
1041
 	qib_dbg_ibdev_exit(&dd->verbs_dev);
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..
@@ -1071,15 +1056,15 @@
1071
1056
 
1072
1057
 u64 qib_sps_ints(void)
1073
1058
 {
1074
-	unsigned long flags;
1059
+	unsigned long index, flags;
1075
1060
 	struct qib_devdata *dd;
1076
1061
 	u64 sps_ints = 0;
1077
1062
 
1078
-	spin_lock_irqsave(&qib_devs_lock, flags);
1079
-	list_for_each_entry(dd, &qib_dev_list, list) {
1063
+	xa_lock_irqsave(&qib_dev_table, flags);
1064
+	xa_for_each(&qib_dev_table, index, dd) {
1080
1065
 		sps_ints += qib_int_counter(dd);
1081
1066
 	}
1082
-	spin_unlock_irqrestore(&qib_devs_lock, flags);
1067
+	xa_unlock_irqrestore(&qib_dev_table, flags);
1083
1068
 	return sps_ints;
1084
1069
 }
1085
1070
 
..
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@@ -1088,12 +1073,9 @@
1088
1073
  * allocator, because the verbs cleanup process both does cleanup and
1089
1074
  * free of the data structure.
1090
1075
  * "extra" is for chip-specific data.
1091
- *
1092
- * Use the idr mechanism to get a unit number for this unit.
1093
1076
  */
1094
1077
 struct qib_devdata *qib_alloc_devdata(struct pci_dev *pdev, size_t extra)
1095
1078
 {
1096
-	unsigned long flags;
1097
1079
 	struct qib_devdata *dd;
1098
1080
 	int ret, nports;
1099
1081
 
..
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@@ -1104,20 +1086,8 @@
1104
1086
 	if (!dd)
1105
1087
 		return ERR_PTR(-ENOMEM);
1106
1088
 
1107
-	INIT_LIST_HEAD(&dd->list);
1108
-
1109
-	idr_preload(GFP_KERNEL);
1110
-	spin_lock_irqsave(&qib_devs_lock, flags);
1111
-
1112
-	ret = idr_alloc(&qib_unit_table, dd, 0, 0, GFP_NOWAIT);
1113
-	if (ret >= 0) {
1114
-		dd->unit = ret;
1115
-		list_add(&dd->list, &qib_dev_list);
1116
-	}
1117
-
1118
-	spin_unlock_irqrestore(&qib_devs_lock, flags);
1119
-	idr_preload_end();
1120
-
1089
+	ret = xa_alloc_irq(&qib_dev_table, &dd->unit, dd, xa_limit_32b,
1090
+			GFP_KERNEL);
1121
1091
 	if (ret < 0) {
1122
1092
 		qib_early_err(&pdev->dev,
1123
1093
 			      "Could not allocate unit ID: error %d\n", -ret);
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@@ -1256,8 +1226,6 @@
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 	 * These must be called before the driver is registered with
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1227
 	 * the PCI subsystem.
1258
1228
 	 */
1259
-	idr_init(&qib_unit_table);
1260
-
1261
1229
 #ifdef CONFIG_INFINIBAND_QIB_DCA
1262
1230
 	dca_register_notify(&dca_notifier);
1263
1231
 #endif
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@@ -1282,7 +1250,6 @@
1282
1250
 #ifdef CONFIG_DEBUG_FS
1283
1251
 	qib_dbg_exit();
1284
1252
 #endif
1285
-	idr_destroy(&qib_unit_table);
1286
1253
 	qib_dev_cleanup();
1287
1254
 bail:
1288
1255
 	return ret;
..
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@@ -1314,7 +1281,7 @@
1314
1281
 	qib_cpulist_count = 0;
1315
1282
 	kfree(qib_cpulist);
1316
1283
 
1317
-	idr_destroy(&qib_unit_table);
1284
+	WARN_ON(!xa_empty(&qib_dev_table));
1318
1285
 	qib_dev_cleanup();
1319
1286
 }
1320
1287
 
..
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@@ -1792,7 +1759,7 @@
1792
1759
 		qib_userlen = dd->ureg_align * dd->cfgctxts;
1793
1760
 
1794
1761
 	/* Sanity checks passed, now create the new mappings */
1795
-	qib_kregbase = ioremap_nocache(qib_physaddr, qib_kreglen);
1762
+	qib_kregbase = ioremap(qib_physaddr, qib_kreglen);
1796
1763
 	if (!qib_kregbase)
1797
1764
 		goto bail;
1798
1765
 
..
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@@ -1801,7 +1768,7 @@
1801
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 		goto bail_kregbase;
1802
1769
 
1803
1770
 	if (qib_userlen) {
1804
-		qib_userbase = ioremap_nocache(qib_physaddr + dd->uregbase,
1771
+		qib_userbase = ioremap(qib_physaddr + dd->uregbase,
1805
1772
 					       qib_userlen);
1806
1773
 		if (!qib_userbase)
1807
1774
 			goto bail_piobase;