From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/drivers/infiniband/hw/qib/qib_init.c | 61 +++++++-----------------------
1 files changed, 14 insertions(+), 47 deletions(-)
diff --git a/kernel/drivers/infiniband/hw/qib/qib_init.c b/kernel/drivers/infiniband/hw/qib/qib_init.c
index d7cdc77..43c8ee1 100644
--- a/kernel/drivers/infiniband/hw/qib/qib_init.c
+++ b/kernel/drivers/infiniband/hw/qib/qib_init.c
@@ -36,7 +36,6 @@
#include <linux/netdevice.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
-#include <linux/idr.h>
#include <linux/module.h>
#include <linux/printk.h>
#ifdef CONFIG_INFINIBAND_QIB_DCA
@@ -95,7 +94,7 @@
static void verify_interrupt(struct timer_list *);
-static struct idr qib_unit_table;
+DEFINE_XARRAY_FLAGS(qib_dev_table, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ);
u32 qib_cpulist_count;
unsigned long *qib_cpulist;
@@ -209,7 +208,6 @@
rcd->rcvegrbuf_chunks = (rcd->rcvegrcnt +
rcd->rcvegrbufs_perchunk - 1) /
rcd->rcvegrbufs_perchunk;
- BUG_ON(!is_power_of_2(rcd->rcvegrbufs_perchunk));
rcd->rcvegrbufs_perchunk_shift =
ilog2(rcd->rcvegrbufs_perchunk);
}
@@ -786,21 +784,9 @@
{
}
-static inline struct qib_devdata *__qib_lookup(int unit)
-{
- return idr_find(&qib_unit_table, unit);
-}
-
struct qib_devdata *qib_lookup(int unit)
{
- struct qib_devdata *dd;
- unsigned long flags;
-
- spin_lock_irqsave(&qib_devs_lock, flags);
- dd = __qib_lookup(unit);
- spin_unlock_irqrestore(&qib_devs_lock, flags);
-
- return dd;
+ return xa_load(&qib_dev_table, unit);
}
/*
@@ -1047,10 +1033,9 @@
{
unsigned long flags;
- spin_lock_irqsave(&qib_devs_lock, flags);
- idr_remove(&qib_unit_table, dd->unit);
- list_del(&dd->list);
- spin_unlock_irqrestore(&qib_devs_lock, flags);
+ xa_lock_irqsave(&qib_dev_table, flags);
+ __xa_erase(&qib_dev_table, dd->unit);
+ xa_unlock_irqrestore(&qib_dev_table, flags);
#ifdef CONFIG_DEBUG_FS
qib_dbg_ibdev_exit(&dd->verbs_dev);
@@ -1071,15 +1056,15 @@
u64 qib_sps_ints(void)
{
- unsigned long flags;
+ unsigned long index, flags;
struct qib_devdata *dd;
u64 sps_ints = 0;
- spin_lock_irqsave(&qib_devs_lock, flags);
- list_for_each_entry(dd, &qib_dev_list, list) {
+ xa_lock_irqsave(&qib_dev_table, flags);
+ xa_for_each(&qib_dev_table, index, dd) {
sps_ints += qib_int_counter(dd);
}
- spin_unlock_irqrestore(&qib_devs_lock, flags);
+ xa_unlock_irqrestore(&qib_dev_table, flags);
return sps_ints;
}
@@ -1088,12 +1073,9 @@
* allocator, because the verbs cleanup process both does cleanup and
* free of the data structure.
* "extra" is for chip-specific data.
- *
- * Use the idr mechanism to get a unit number for this unit.
*/
struct qib_devdata *qib_alloc_devdata(struct pci_dev *pdev, size_t extra)
{
- unsigned long flags;
struct qib_devdata *dd;
int ret, nports;
@@ -1104,20 +1086,8 @@
if (!dd)
return ERR_PTR(-ENOMEM);
- INIT_LIST_HEAD(&dd->list);
-
- idr_preload(GFP_KERNEL);
- spin_lock_irqsave(&qib_devs_lock, flags);
-
- ret = idr_alloc(&qib_unit_table, dd, 0, 0, GFP_NOWAIT);
- if (ret >= 0) {
- dd->unit = ret;
- list_add(&dd->list, &qib_dev_list);
- }
-
- spin_unlock_irqrestore(&qib_devs_lock, flags);
- idr_preload_end();
-
+ ret = xa_alloc_irq(&qib_dev_table, &dd->unit, dd, xa_limit_32b,
+ GFP_KERNEL);
if (ret < 0) {
qib_early_err(&pdev->dev,
"Could not allocate unit ID: error %d\n", -ret);
@@ -1256,8 +1226,6 @@
* These must be called before the driver is registered with
* the PCI subsystem.
*/
- idr_init(&qib_unit_table);
-
#ifdef CONFIG_INFINIBAND_QIB_DCA
dca_register_notify(&dca_notifier);
#endif
@@ -1282,7 +1250,6 @@
#ifdef CONFIG_DEBUG_FS
qib_dbg_exit();
#endif
- idr_destroy(&qib_unit_table);
qib_dev_cleanup();
bail:
return ret;
@@ -1314,7 +1281,7 @@
qib_cpulist_count = 0;
kfree(qib_cpulist);
- idr_destroy(&qib_unit_table);
+ WARN_ON(!xa_empty(&qib_dev_table));
qib_dev_cleanup();
}
@@ -1792,7 +1759,7 @@
qib_userlen = dd->ureg_align * dd->cfgctxts;
/* Sanity checks passed, now create the new mappings */
- qib_kregbase = ioremap_nocache(qib_physaddr, qib_kreglen);
+ qib_kregbase = ioremap(qib_physaddr, qib_kreglen);
if (!qib_kregbase)
goto bail;
@@ -1801,7 +1768,7 @@
goto bail_kregbase;
if (qib_userlen) {
- qib_userbase = ioremap_nocache(qib_physaddr + dd->uregbase,
+ qib_userbase = ioremap(qib_physaddr + dd->uregbase,
qib_userlen);
if (!qib_userbase)
goto bail_piobase;
--
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