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-rw-r--r--arch/ia64/sn/kernel/bte.c1
-rw-r--r--arch/ia64/sn/kernel/huberror.c4
-rw-r--r--arch/ia64/sn/kernel/io_init.c9
-rw-r--r--arch/ia64/sn/kernel/irq.c148
-rw-r--r--arch/ia64/sn/kernel/setup.c17
-rw-r--r--arch/ia64/sn/kernel/sn2/cache.c15
-rw-r--r--arch/ia64/sn/kernel/sn2/prominfo_proc.c1
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_hwperf.c50
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_proc_fs.c1
-rw-r--r--arch/ia64/sn/kernel/xpc_channel.c2
-rw-r--r--arch/ia64/sn/kernel/xpnet.c1
11 files changed, 140 insertions, 109 deletions
diff --git a/arch/ia64/sn/kernel/bte.c b/arch/ia64/sn/kernel/bte.c
index e952ef4f6d91..27dee4584061 100644
--- a/arch/ia64/sn/kernel/bte.c
+++ b/arch/ia64/sn/kernel/bte.c
@@ -6,7 +6,6 @@
* Copyright (c) 2000-2006 Silicon Graphics, Inc. All Rights Reserved.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <asm/sn/nodepda.h>
#include <asm/sn/addrs.h>
diff --git a/arch/ia64/sn/kernel/huberror.c b/arch/ia64/sn/kernel/huberror.c
index 56ab6bae00ee..96fb81e6321f 100644
--- a/arch/ia64/sn/kernel/huberror.c
+++ b/arch/ia64/sn/kernel/huberror.c
@@ -178,7 +178,7 @@ void hubiio_crb_error_handler(struct hubdev_info *hubdev_info)
*/
void hub_error_init(struct hubdev_info *hubdev_info)
{
- if (request_irq(SGI_II_ERROR, (void *)hub_eint_handler, SA_SHIRQ,
+ if (request_irq(SGI_II_ERROR, (void *)hub_eint_handler, IRQF_SHARED,
"SN_hub_error", (void *)hubdev_info))
printk("hub_error_init: Failed to request_irq for 0x%p\n",
hubdev_info);
@@ -196,7 +196,7 @@ void hub_error_init(struct hubdev_info *hubdev_info)
void ice_error_init(struct hubdev_info *hubdev_info)
{
if (request_irq
- (SGI_TIO_ERROR, (void *)hub_eint_handler, SA_SHIRQ, "SN_TIO_error",
+ (SGI_TIO_ERROR, (void *)hub_eint_handler, IRQF_SHARED, "SN_TIO_error",
(void *)hubdev_info))
printk("ice_error_init: request_irq() error hubdev_info 0x%p\n",
hubdev_info);
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index 5101ac462643..dc09a6a28a37 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -58,7 +58,7 @@ static int max_pcibus_number = 255; /* Default highest pci bus number */
*/
static dma_addr_t
-sn_default_pci_map(struct pci_dev *pdev, unsigned long paddr, size_t size)
+sn_default_pci_map(struct pci_dev *pdev, unsigned long paddr, size_t size, int type)
{
return 0;
}
@@ -457,13 +457,6 @@ void sn_pci_fixup_slot(struct pci_dev *dev)
pcidev_info->pdi_sn_irq_info = NULL;
kfree(sn_irq_info);
}
-
- /*
- * MSI currently not supported on altix. Remove this when
- * the MSI abstraction patches are integrated into the kernel
- * (sometime after 2.6.16 releases)
- */
- dev->no_msi = 1;
}
/*
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index c265e02f5036..7bb6ad188ba3 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -26,11 +26,11 @@ static void unregister_intr_pda(struct sn_irq_info *sn_irq_info);
int sn_force_interrupt_flag = 1;
extern int sn_ioif_inited;
-static struct list_head **sn_irq_lh;
-static spinlock_t sn_irq_info_lock = SPIN_LOCK_UNLOCKED; /* non-IRQ lock */
+struct list_head **sn_irq_lh;
+static DEFINE_SPINLOCK(sn_irq_info_lock); /* non-IRQ lock */
-static inline u64 sn_intr_alloc(nasid_t local_nasid, int local_widget,
- u64 sn_irq_info,
+u64 sn_intr_alloc(nasid_t local_nasid, int local_widget,
+ struct sn_irq_info *sn_irq_info,
int req_irq, nasid_t req_nasid,
int req_slice)
{
@@ -40,12 +40,13 @@ static inline u64 sn_intr_alloc(nasid_t local_nasid, int local_widget,
SAL_CALL_NOLOCK(ret_stuff, (u64) SN_SAL_IOIF_INTERRUPT,
(u64) SAL_INTR_ALLOC, (u64) local_nasid,
- (u64) local_widget, (u64) sn_irq_info, (u64) req_irq,
+ (u64) local_widget, __pa(sn_irq_info), (u64) req_irq,
(u64) req_nasid, (u64) req_slice);
+
return ret_stuff.status;
}
-static inline void sn_intr_free(nasid_t local_nasid, int local_widget,
+void sn_intr_free(nasid_t local_nasid, int local_widget,
struct sn_irq_info *sn_irq_info)
{
struct ia64_sal_retval ret_stuff;
@@ -112,73 +113,91 @@ static void sn_end_irq(unsigned int irq)
static void sn_irq_info_free(struct rcu_head *head);
-static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
+struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
+ nasid_t nasid, int slice)
{
- struct sn_irq_info *sn_irq_info, *sn_irq_info_safe;
- int cpuid, cpuphys;
+ int vector;
+ int cpuphys;
+ int64_t bridge;
+ int local_widget, status;
+ nasid_t local_nasid;
+ struct sn_irq_info *new_irq_info;
+ struct sn_pcibus_provider *pci_provider;
- cpuid = first_cpu(mask);
- cpuphys = cpu_physical_id(cpuid);
+ new_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_ATOMIC);
+ if (new_irq_info == NULL)
+ return NULL;
- list_for_each_entry_safe(sn_irq_info, sn_irq_info_safe,
- sn_irq_lh[irq], list) {
- u64 bridge;
- int local_widget, status;
- nasid_t local_nasid;
- struct sn_irq_info *new_irq_info;
- struct sn_pcibus_provider *pci_provider;
-
- new_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_ATOMIC);
- if (new_irq_info == NULL)
- break;
- memcpy(new_irq_info, sn_irq_info, sizeof(struct sn_irq_info));
-
- bridge = (u64) new_irq_info->irq_bridge;
- if (!bridge) {
- kfree(new_irq_info);
- break; /* irq is not a device interrupt */
- }
+ memcpy(new_irq_info, sn_irq_info, sizeof(struct sn_irq_info));
+
+ bridge = (u64) new_irq_info->irq_bridge;
+ if (!bridge) {
+ kfree(new_irq_info);
+ return NULL; /* irq is not a device interrupt */
+ }
- local_nasid = NASID_GET(bridge);
+ local_nasid = NASID_GET(bridge);
- if (local_nasid & 1)
- local_widget = TIO_SWIN_WIDGETNUM(bridge);
- else
- local_widget = SWIN_WIDGETNUM(bridge);
+ if (local_nasid & 1)
+ local_widget = TIO_SWIN_WIDGETNUM(bridge);
+ else
+ local_widget = SWIN_WIDGETNUM(bridge);
- /* Free the old PROM new_irq_info structure */
- sn_intr_free(local_nasid, local_widget, new_irq_info);
- /* Update kernels new_irq_info with new target info */
- unregister_intr_pda(new_irq_info);
+ vector = sn_irq_info->irq_irq;
+ /* Free the old PROM new_irq_info structure */
+ sn_intr_free(local_nasid, local_widget, new_irq_info);
+ /* Update kernels new_irq_info with new target info */
+ unregister_intr_pda(new_irq_info);
- /* allocate a new PROM new_irq_info struct */
- status = sn_intr_alloc(local_nasid, local_widget,
- __pa(new_irq_info), irq,
- cpuid_to_nasid(cpuid),
- cpuid_to_slice(cpuid));
+ /* allocate a new PROM new_irq_info struct */
+ status = sn_intr_alloc(local_nasid, local_widget,
+ new_irq_info, vector,
+ nasid, slice);
- /* SAL call failed */
- if (status) {
- kfree(new_irq_info);
- break;
- }
+ /* SAL call failed */
+ if (status) {
+ kfree(new_irq_info);
+ return NULL;
+ }
- new_irq_info->irq_cpuid = cpuid;
- register_intr_pda(new_irq_info);
+ cpuphys = nasid_slice_to_cpuid(nasid, slice);
+ new_irq_info->irq_cpuid = cpuphys;
+ register_intr_pda(new_irq_info);
- pci_provider = sn_pci_provider[new_irq_info->irq_bridge_type];
- if (pci_provider && pci_provider->target_interrupt)
- (pci_provider->target_interrupt)(new_irq_info);
+ pci_provider = sn_pci_provider[new_irq_info->irq_bridge_type];
- spin_lock(&sn_irq_info_lock);
- list_replace_rcu(&sn_irq_info->list, &new_irq_info->list);
- spin_unlock(&sn_irq_info_lock);
- call_rcu(&sn_irq_info->rcu, sn_irq_info_free);
+ /*
+ * If this represents a line interrupt, target it. If it's
+ * an msi (irq_int_bit < 0), it's already targeted.
+ */
+ if (new_irq_info->irq_int_bit >= 0 &&
+ pci_provider && pci_provider->target_interrupt)
+ (pci_provider->target_interrupt)(new_irq_info);
+
+ spin_lock(&sn_irq_info_lock);
+ list_replace_rcu(&sn_irq_info->list, &new_irq_info->list);
+ spin_unlock(&sn_irq_info_lock);
+ call_rcu(&sn_irq_info->rcu, sn_irq_info_free);
#ifdef CONFIG_SMP
- set_irq_affinity_info((irq & 0xff), cpuphys, 0);
+ set_irq_affinity_info((vector & 0xff), cpuphys, 0);
#endif
- }
+
+ return new_irq_info;
+}
+
+static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
+{
+ struct sn_irq_info *sn_irq_info, *sn_irq_info_safe;
+ nasid_t nasid;
+ int slice;
+
+ nasid = cpuid_to_nasid(first_cpu(mask));
+ slice = cpuid_to_slice(first_cpu(mask));
+
+ list_for_each_entry_safe(sn_irq_info, sn_irq_info_safe,
+ sn_irq_lh[irq], list)
+ (void)sn_retarget_vector(sn_irq_info, nasid, slice);
}
struct hw_interrupt_type irq_type_sn = {
@@ -202,9 +221,12 @@ void sn_irq_init(void)
int i;
irq_desc_t *base_desc = irq_desc;
+ ia64_first_device_vector = IA64_SN2_FIRST_DEVICE_VECTOR;
+ ia64_last_device_vector = IA64_SN2_LAST_DEVICE_VECTOR;
+
for (i = 0; i < NR_IRQS; i++) {
- if (base_desc[i].handler == &no_irq_type) {
- base_desc[i].handler = &irq_type_sn;
+ if (base_desc[i].chip == &no_irq_type) {
+ base_desc[i].chip = &irq_type_sn;
}
}
}
@@ -285,6 +307,7 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
/* link it into the sn_irq[irq] list */
spin_lock(&sn_irq_info_lock);
list_add_rcu(&sn_irq_info->list, sn_irq_lh[sn_irq_info->irq_irq]);
+ reserve_irq_vector(sn_irq_info->irq_irq);
spin_unlock(&sn_irq_info_lock);
register_intr_pda(sn_irq_info);
@@ -310,8 +333,11 @@ void sn_irq_unfixup(struct pci_dev *pci_dev)
spin_lock(&sn_irq_info_lock);
list_del_rcu(&sn_irq_info->list);
spin_unlock(&sn_irq_info_lock);
+ if (list_empty(sn_irq_lh[sn_irq_info->irq_irq]))
+ free_irq_vector(sn_irq_info->irq_irq);
call_rcu(&sn_irq_info->rcu, sn_irq_info_free);
pci_dev_put(pci_dev);
+
}
static inline void
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index 30988dfbddff..dd6bcf4d58bf 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -6,7 +6,6 @@
* Copyright (C) 1999,2001-2006 Silicon Graphics, Inc. All rights reserved.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
@@ -139,7 +138,7 @@ static int __init pxm_to_nasid(int pxm)
int i;
int nid;
- nid = pxm_to_nid_map[pxm];
+ nid = pxm_to_node(pxm);
for (i = 0; i < num_node_memblks; i++) {
if (node_memblk[i].nid == nid) {
return NASID_GET(node_memblk[i].start_paddr);
@@ -458,7 +457,7 @@ void __init sn_setup(char **cmdline_p)
* support here so we don't have to listen to failed keyboard probe
* messages.
*/
- if (version <= 0x0209 && acpi_kbd_controller_present) {
+ if (is_shub1() && version <= 0x0209 && acpi_kbd_controller_present) {
printk(KERN_INFO "Disabling legacy keyboard support as prom "
"is too old and doesn't provide FADT\n");
acpi_kbd_controller_present = 0;
@@ -577,7 +576,8 @@ void __init sn_cpu_init(void)
int i;
static int wars_have_been_checked;
- if (smp_processor_id() == 0 && IS_MEDUSA()) {
+ cpuid = smp_processor_id();
+ if (cpuid == 0 && IS_MEDUSA()) {
if (ia64_sn_is_fake_prom())
sn_prom_type = 2;
else
@@ -597,6 +597,12 @@ void __init sn_cpu_init(void)
sn_hub_info->as_shift = sn_hub_info->nasid_shift - 2;
/*
+ * Don't check status. The SAL call is not supported on all PROMs
+ * but a failure is harmless.
+ */
+ (void) ia64_sn_set_cpu_number(cpuid);
+
+ /*
* The boot cpu makes this call again after platform initialization is
* complete.
*/
@@ -607,7 +613,6 @@ void __init sn_cpu_init(void)
if (ia64_sn_get_prom_feature_set(i, &sn_prom_features[i]) != 0)
break;
- cpuid = smp_processor_id();
cpuphyid = get_sapicid();
if (ia64_sn_get_sapic_info(cpuphyid, &nasid, &subnode, &slice))
@@ -704,7 +709,7 @@ void __init build_cnode_tables(void)
* cnode == node for all C & M bricks.
*/
for_each_online_node(node) {
- nasid = pxm_to_nasid(nid_to_pxm_map[node]);
+ nasid = pxm_to_nasid(node_to_pxm(node));
sn_cnodeid_to_nasid[node] = nasid;
physical_node_map[nasid] = node;
}
diff --git a/arch/ia64/sn/kernel/sn2/cache.c b/arch/ia64/sn/kernel/sn2/cache.c
index bc3cfa17cd0f..2862cb33026d 100644
--- a/arch/ia64/sn/kernel/sn2/cache.c
+++ b/arch/ia64/sn/kernel/sn2/cache.c
@@ -3,11 +3,12 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 2001-2003 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 2001-2003, 2006 Silicon Graphics, Inc. All rights reserved.
*
*/
#include <linux/module.h>
#include <asm/pgalloc.h>
+#include <asm/sn/arch.h>
/**
* sn_flush_all_caches - flush a range of address from all caches (incl. L4)
@@ -17,18 +18,24 @@
* Flush a range of addresses from all caches including L4.
* All addresses fully or partially contained within
* @flush_addr to @flush_addr + @bytes are flushed
- * from the all caches.
+ * from all caches.
*/
void
sn_flush_all_caches(long flush_addr, long bytes)
{
- flush_icache_range(flush_addr, flush_addr+bytes);
+ unsigned long addr = flush_addr;
+
+ /* SHub1 requires a cached address */
+ if (is_shub1() && (addr & RGN_BITS) == RGN_BASE(RGN_UNCACHED))
+ addr = (addr - RGN_BASE(RGN_UNCACHED)) + RGN_BASE(RGN_KERNEL);
+
+ flush_icache_range(addr, addr + bytes);
/*
* The last call may have returned before the caches
* were actually flushed, so we call it again to make
* sure.
*/
- flush_icache_range(flush_addr, flush_addr+bytes);
+ flush_icache_range(addr, addr + bytes);
mb();
}
EXPORT_SYMBOL(sn_flush_all_caches);
diff --git a/arch/ia64/sn/kernel/sn2/prominfo_proc.c b/arch/ia64/sn/kernel/sn2/prominfo_proc.c
index 6ae276d5d50c..4dcce3d0e04c 100644
--- a/arch/ia64/sn/kernel/sn2/prominfo_proc.c
+++ b/arch/ia64/sn/kernel/sn2/prominfo_proc.c
@@ -8,7 +8,6 @@
* Module to export the system's Firmware Interface Tables, including
* PROM revision numbers and banners, in /proc
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/proc_fs.h>
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 739c948dc504..9a8a29339d2d 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -51,6 +51,8 @@ static nasid_t sn_hwperf_master_nasid = INVALID_NASID;
static int sn_hwperf_init(void);
static DECLARE_MUTEX(sn_hwperf_init_mutex);
+#define cnode_possible(n) ((n) < num_cnodes)
+
static int sn_hwperf_enum_objects(int *nobj, struct sn_hwperf_object_info **ret)
{
int e;
@@ -127,14 +129,14 @@ static int sn_hwperf_geoid_to_cnode(char *location)
}
}
- return node_possible(cnode) ? cnode : -1;
+ return cnode_possible(cnode) ? cnode : -1;
}
static int sn_hwperf_obj_to_cnode(struct sn_hwperf_object_info * obj)
{
if (!SN_HWPERF_IS_NODE(obj) && !SN_HWPERF_IS_IONODE(obj))
BUG();
- if (!obj->sn_hwp_this_part)
+ if (SN_HWPERF_FOREIGN(obj))
return -1;
return sn_hwperf_geoid_to_cnode(obj->location);
}
@@ -199,12 +201,12 @@ static void print_pci_topology(struct seq_file *s)
static inline int sn_hwperf_has_cpus(cnodeid_t node)
{
- return node_online(node) && nr_cpus_node(node);
+ return node < MAX_NUMNODES && node_online(node) && nr_cpus_node(node);
}
static inline int sn_hwperf_has_mem(cnodeid_t node)
{
- return node_online(node) && NODE_DATA(node)->node_present_pages;
+ return node < MAX_NUMNODES && node_online(node) && NODE_DATA(node)->node_present_pages;
}
static struct sn_hwperf_object_info *
@@ -237,7 +239,7 @@ static int sn_hwperf_get_nearest_node_objdata(struct sn_hwperf_object_info *objb
int found_mem = 0;
int found_cpu = 0;
- if (!node_possible(node))
+ if (!cnode_possible(node))
return -EINVAL;
if (sn_hwperf_has_cpus(node)) {
@@ -442,7 +444,7 @@ static int sn_topology_show(struct seq_file *s, void *d)
seq_printf(s, "%s %d %s %s asic %s", slabname, ordinal, obj->location,
obj->sn_hwp_this_part ? "local" : "shared", obj->name);
- if (!SN_HWPERF_IS_NODE(obj) && !SN_HWPERF_IS_IONODE(obj))
+ if (ordinal < 0 || (!SN_HWPERF_IS_NODE(obj) && !SN_HWPERF_IS_IONODE(obj)))
seq_putc(s, '\n');
else {
cnodeid_t near_mem = -1;
@@ -468,22 +470,24 @@ static int sn_topology_show(struct seq_file *s, void *d)
/*
* CPUs on this node, if any
*/
- cpumask = node_to_cpumask(ordinal);
- for_each_online_cpu(i) {
- if (cpu_isset(i, cpumask)) {
- slice = 'a' + cpuid_to_slice(i);
- c = cpu_data(i);
- seq_printf(s, "cpu %d %s%c local"
- " freq %luMHz, arch ia64",
- i, obj->location, slice,
- c->proc_freq / 1000000);
- for_each_online_cpu(j) {
- seq_printf(s, j ? ":%d" : ", dist %d",
- node_distance(
- cpu_to_node(i),
- cpu_to_node(j)));
+ if (!SN_HWPERF_IS_IONODE(obj)) {
+ cpumask = node_to_cpumask(ordinal);
+ for_each_online_cpu(i) {
+ if (cpu_isset(i, cpumask)) {
+ slice = 'a' + cpuid_to_slice(i);
+ c = cpu_data(i);
+ seq_printf(s, "cpu %d %s%c local"
+ " freq %luMHz, arch ia64",
+ i, obj->location, slice,
+ c->proc_freq / 1000000);
+ for_each_online_cpu(j) {
+ seq_printf(s, j ? ":%d" : ", dist %d",
+ node_distance(
+ cpu_to_node(i),
+ cpu_to_node(j)));
+ }
+ seq_putc(s, '\n');
}
- seq_putc(s, '\n');
}
}
}
@@ -523,7 +527,7 @@ static int sn_topology_show(struct seq_file *s, void *d)
if (obj->sn_hwp_this_part && p->sn_hwp_this_part)
/* both ends local to this partition */
seq_puts(s, " local");
- else if (!obj->sn_hwp_this_part && !p->sn_hwp_this_part)
+ else if (SN_HWPERF_FOREIGN(p))
/* both ends of the link in foreign partiton */
seq_puts(s, " foreign");
else
@@ -776,7 +780,7 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, u64 arg)
case SN_HWPERF_GET_NODE_NASID:
if (a.sz != sizeof(u64) ||
- (node = a.arg) < 0 || !node_possible(node)) {
+ (node = a.arg) < 0 || !cnode_possible(node)) {
r = -EINVAL;
goto error;
}
diff --git a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
index 5100261310f7..43ddc2eccb96 100644
--- a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
+++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
@@ -5,7 +5,6 @@
*
* Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved.
*/
-#include <linux/config.h>
#ifdef CONFIG_PROC_FS
#include <linux/proc_fs.h>
diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c
index 8255a9be4632..c2f69f7942af 100644
--- a/arch/ia64/sn/kernel/xpc_channel.c
+++ b/arch/ia64/sn/kernel/xpc_channel.c
@@ -202,7 +202,7 @@ xpc_setup_infrastructure(struct xpc_partition *part)
init_waitqueue_head(&part->channel_mgr_wq);
sprintf(part->IPI_owner, "xpc%02d", partid);
- ret = request_irq(SGI_XPC_NOTIFY, xpc_notify_IRQ_handler, SA_SHIRQ,
+ ret = request_irq(SGI_XPC_NOTIFY, xpc_notify_IRQ_handler, IRQF_SHARED,
part->IPI_owner, (void *) (u64) partid);
if (ret != 0) {
dev_err(xpc_chan, "can't register NOTIFY IRQ handler, "
diff --git a/arch/ia64/sn/kernel/xpnet.c b/arch/ia64/sn/kernel/xpnet.c
index e5c6d3c0a8e9..007703c494a4 100644
--- a/arch/ia64/sn/kernel/xpnet.c
+++ b/arch/ia64/sn/kernel/xpnet.c
@@ -22,7 +22,6 @@
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/pci.h>
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