diff options
Diffstat (limited to 'arch/ia64/sn/kernel/sn2')
-rw-r--r-- | arch/ia64/sn/kernel/sn2/prominfo_proc.c | 25 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/sn2/sn2_smp.c | 35 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/sn2/sn_proc_fs.c | 22 |
3 files changed, 41 insertions, 41 deletions
diff --git a/arch/ia64/sn/kernel/sn2/prominfo_proc.c b/arch/ia64/sn/kernel/sn2/prominfo_proc.c index 81c63b2f8ae9..6ae276d5d50c 100644 --- a/arch/ia64/sn/kernel/sn2/prominfo_proc.c +++ b/arch/ia64/sn/kernel/sn2/prominfo_proc.c | |||
@@ -3,7 +3,7 @@ | |||
3 | * License. See the file "COPYING" in the main directory of this archive | 3 | * License. See the file "COPYING" in the main directory of this archive |
4 | * for more details. | 4 | * for more details. |
5 | * | 5 | * |
6 | * Copyright (C) 1999,2001-2004 Silicon Graphics, Inc. All Rights Reserved. | 6 | * Copyright (C) 1999,2001-2004, 2006 Silicon Graphics, Inc. All Rights Reserved. |
7 | * | 7 | * |
8 | * Module to export the system's Firmware Interface Tables, including | 8 | * Module to export the system's Firmware Interface Tables, including |
9 | * PROM revision numbers and banners, in /proc | 9 | * PROM revision numbers and banners, in /proc |
@@ -190,7 +190,7 @@ static int | |||
190 | read_version_entry(char *page, char **start, off_t off, int count, int *eof, | 190 | read_version_entry(char *page, char **start, off_t off, int count, int *eof, |
191 | void *data) | 191 | void *data) |
192 | { | 192 | { |
193 | int len = 0; | 193 | int len; |
194 | 194 | ||
195 | /* data holds the NASID of the node */ | 195 | /* data holds the NASID of the node */ |
196 | len = dump_version(page, (unsigned long)data); | 196 | len = dump_version(page, (unsigned long)data); |
@@ -202,7 +202,7 @@ static int | |||
202 | read_fit_entry(char *page, char **start, off_t off, int count, int *eof, | 202 | read_fit_entry(char *page, char **start, off_t off, int count, int *eof, |
203 | void *data) | 203 | void *data) |
204 | { | 204 | { |
205 | int len = 0; | 205 | int len; |
206 | 206 | ||
207 | /* data holds the NASID of the node */ | 207 | /* data holds the NASID of the node */ |
208 | len = dump_fit(page, (unsigned long)data); | 208 | len = dump_fit(page, (unsigned long)data); |
@@ -229,13 +229,16 @@ int __init prominfo_init(void) | |||
229 | struct proc_dir_entry *p; | 229 | struct proc_dir_entry *p; |
230 | cnodeid_t cnodeid; | 230 | cnodeid_t cnodeid; |
231 | unsigned long nasid; | 231 | unsigned long nasid; |
232 | int size; | ||
232 | char name[NODE_NAME_LEN]; | 233 | char name[NODE_NAME_LEN]; |
233 | 234 | ||
234 | if (!ia64_platform_is("sn2")) | 235 | if (!ia64_platform_is("sn2")) |
235 | return 0; | 236 | return 0; |
236 | 237 | ||
237 | proc_entries = kmalloc(num_online_nodes() * sizeof(struct proc_dir_entry *), | 238 | size = num_online_nodes() * sizeof(struct proc_dir_entry *); |
238 | GFP_KERNEL); | 239 | proc_entries = kzalloc(size, GFP_KERNEL); |
240 | if (!proc_entries) | ||
241 | return -ENOMEM; | ||
239 | 242 | ||
240 | sgi_prominfo_entry = proc_mkdir("sgi_prominfo", NULL); | 243 | sgi_prominfo_entry = proc_mkdir("sgi_prominfo", NULL); |
241 | 244 | ||
@@ -244,14 +247,12 @@ int __init prominfo_init(void) | |||
244 | sprintf(name, "node%d", cnodeid); | 247 | sprintf(name, "node%d", cnodeid); |
245 | *entp = proc_mkdir(name, sgi_prominfo_entry); | 248 | *entp = proc_mkdir(name, sgi_prominfo_entry); |
246 | nasid = cnodeid_to_nasid(cnodeid); | 249 | nasid = cnodeid_to_nasid(cnodeid); |
247 | p = create_proc_read_entry( | 250 | p = create_proc_read_entry("fit", 0, *entp, read_fit_entry, |
248 | "fit", 0, *entp, read_fit_entry, | 251 | (void *)nasid); |
249 | (void *)nasid); | ||
250 | if (p) | 252 | if (p) |
251 | p->owner = THIS_MODULE; | 253 | p->owner = THIS_MODULE; |
252 | p = create_proc_read_entry( | 254 | p = create_proc_read_entry("version", 0, *entp, |
253 | "version", 0, *entp, read_version_entry, | 255 | read_version_entry, (void *)nasid); |
254 | (void *)nasid); | ||
255 | if (p) | 256 | if (p) |
256 | p->owner = THIS_MODULE; | 257 | p->owner = THIS_MODULE; |
257 | entp++; | 258 | entp++; |
@@ -263,7 +264,7 @@ int __init prominfo_init(void) | |||
263 | void __exit prominfo_exit(void) | 264 | void __exit prominfo_exit(void) |
264 | { | 265 | { |
265 | struct proc_dir_entry **entp; | 266 | struct proc_dir_entry **entp; |
266 | unsigned cnodeid; | 267 | unsigned int cnodeid; |
267 | char name[NODE_NAME_LEN]; | 268 | char name[NODE_NAME_LEN]; |
268 | 269 | ||
269 | entp = proc_entries; | 270 | entp = proc_entries; |
diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c index f153a4c35c70..24eefb2fc55f 100644 --- a/arch/ia64/sn/kernel/sn2/sn2_smp.c +++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c | |||
@@ -46,8 +46,14 @@ DECLARE_PER_CPU(struct ptc_stats, ptcstats); | |||
46 | 46 | ||
47 | static __cacheline_aligned DEFINE_SPINLOCK(sn2_global_ptc_lock); | 47 | static __cacheline_aligned DEFINE_SPINLOCK(sn2_global_ptc_lock); |
48 | 48 | ||
49 | void sn2_ptc_deadlock_recovery(short *, short, short, int, volatile unsigned long *, unsigned long, | 49 | extern unsigned long |
50 | volatile unsigned long *, unsigned long); | 50 | sn2_ptc_deadlock_recovery_core(volatile unsigned long *, unsigned long, |
51 | volatile unsigned long *, unsigned long, | ||
52 | volatile unsigned long *, unsigned long); | ||
53 | void | ||
54 | sn2_ptc_deadlock_recovery(short *, short, short, int, | ||
55 | volatile unsigned long *, unsigned long, | ||
56 | volatile unsigned long *, unsigned long); | ||
51 | 57 | ||
52 | /* | 58 | /* |
53 | * Note: some is the following is captured here to make degugging easier | 59 | * Note: some is the following is captured here to make degugging easier |
@@ -59,16 +65,6 @@ void sn2_ptc_deadlock_recovery(short *, short, short, int, volatile unsigned lon | |||
59 | #define reset_max_active_on_deadlock() 1 | 65 | #define reset_max_active_on_deadlock() 1 |
60 | #define PTC_LOCK(sh1) ((sh1) ? &sn2_global_ptc_lock : &sn_nodepda->ptc_lock) | 66 | #define PTC_LOCK(sh1) ((sh1) ? &sn2_global_ptc_lock : &sn_nodepda->ptc_lock) |
61 | 67 | ||
62 | static inline void ptc_lock(int sh1, unsigned long *flagp) | ||
63 | { | ||
64 | spin_lock_irqsave(PTC_LOCK(sh1), *flagp); | ||
65 | } | ||
66 | |||
67 | static inline void ptc_unlock(int sh1, unsigned long flags) | ||
68 | { | ||
69 | spin_unlock_irqrestore(PTC_LOCK(sh1), flags); | ||
70 | } | ||
71 | |||
72 | struct ptc_stats { | 68 | struct ptc_stats { |
73 | unsigned long ptc_l; | 69 | unsigned long ptc_l; |
74 | unsigned long change_rid; | 70 | unsigned long change_rid; |
@@ -82,6 +78,8 @@ struct ptc_stats { | |||
82 | unsigned long shub_ptc_flushes_not_my_mm; | 78 | unsigned long shub_ptc_flushes_not_my_mm; |
83 | }; | 79 | }; |
84 | 80 | ||
81 | #define sn2_ptctest 0 | ||
82 | |||
85 | static inline unsigned long wait_piowc(void) | 83 | static inline unsigned long wait_piowc(void) |
86 | { | 84 | { |
87 | volatile unsigned long *piows; | 85 | volatile unsigned long *piows; |
@@ -200,7 +198,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start, | |||
200 | max_active = max_active_pio(shub1); | 198 | max_active = max_active_pio(shub1); |
201 | 199 | ||
202 | itc = ia64_get_itc(); | 200 | itc = ia64_get_itc(); |
203 | ptc_lock(shub1, &flags); | 201 | spin_lock_irqsave(PTC_LOCK(shub1), flags); |
204 | itc2 = ia64_get_itc(); | 202 | itc2 = ia64_get_itc(); |
205 | 203 | ||
206 | __get_cpu_var(ptcstats).lock_itc_clocks += itc2 - itc; | 204 | __get_cpu_var(ptcstats).lock_itc_clocks += itc2 - itc; |
@@ -258,7 +256,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start, | |||
258 | ia64_srlz_d(); | 256 | ia64_srlz_d(); |
259 | } | 257 | } |
260 | 258 | ||
261 | ptc_unlock(shub1, flags); | 259 | spin_unlock_irqrestore(PTC_LOCK(shub1), flags); |
262 | 260 | ||
263 | preempt_enable(); | 261 | preempt_enable(); |
264 | } | 262 | } |
@@ -270,11 +268,12 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start, | |||
270 | * TLB flush transaction. The recovery sequence is somewhat tricky & is | 268 | * TLB flush transaction. The recovery sequence is somewhat tricky & is |
271 | * coded in assembly language. | 269 | * coded in assembly language. |
272 | */ | 270 | */ |
273 | void sn2_ptc_deadlock_recovery(short *nasids, short ib, short ie, int mynasid, volatile unsigned long *ptc0, unsigned long data0, | 271 | |
274 | volatile unsigned long *ptc1, unsigned long data1) | 272 | void |
273 | sn2_ptc_deadlock_recovery(short *nasids, short ib, short ie, int mynasid, | ||
274 | volatile unsigned long *ptc0, unsigned long data0, | ||
275 | volatile unsigned long *ptc1, unsigned long data1) | ||
275 | { | 276 | { |
276 | extern unsigned long sn2_ptc_deadlock_recovery_core(volatile unsigned long *, unsigned long, | ||
277 | volatile unsigned long *, unsigned long, volatile unsigned long *, unsigned long); | ||
278 | short nasid, i; | 277 | short nasid, i; |
279 | unsigned long *piows, zeroval, n; | 278 | unsigned long *piows, zeroval, n; |
280 | 279 | ||
diff --git a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c index a06719d752a0..c686d9c12f7b 100644 --- a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c +++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c | |||
@@ -6,11 +6,11 @@ | |||
6 | * Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved. | 6 | * Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved. |
7 | */ | 7 | */ |
8 | #include <linux/config.h> | 8 | #include <linux/config.h> |
9 | #include <asm/uaccess.h> | ||
10 | 9 | ||
11 | #ifdef CONFIG_PROC_FS | 10 | #ifdef CONFIG_PROC_FS |
12 | #include <linux/proc_fs.h> | 11 | #include <linux/proc_fs.h> |
13 | #include <linux/seq_file.h> | 12 | #include <linux/seq_file.h> |
13 | #include <asm/uaccess.h> | ||
14 | #include <asm/sn/sn_sal.h> | 14 | #include <asm/sn/sn_sal.h> |
15 | 15 | ||
16 | static int partition_id_show(struct seq_file *s, void *p) | 16 | static int partition_id_show(struct seq_file *s, void *p) |
@@ -90,10 +90,10 @@ static int coherence_id_open(struct inode *inode, struct file *file) | |||
90 | return single_open(file, coherence_id_show, NULL); | 90 | return single_open(file, coherence_id_show, NULL); |
91 | } | 91 | } |
92 | 92 | ||
93 | static struct proc_dir_entry *sn_procfs_create_entry( | 93 | static struct proc_dir_entry |
94 | const char *name, struct proc_dir_entry *parent, | 94 | *sn_procfs_create_entry(const char *name, struct proc_dir_entry *parent, |
95 | int (*openfunc)(struct inode *, struct file *), | 95 | int (*openfunc)(struct inode *, struct file *), |
96 | int (*releasefunc)(struct inode *, struct file *)) | 96 | int (*releasefunc)(struct inode *, struct file *)) |
97 | { | 97 | { |
98 | struct proc_dir_entry *e = create_proc_entry(name, 0444, parent); | 98 | struct proc_dir_entry *e = create_proc_entry(name, 0444, parent); |
99 | 99 | ||
@@ -126,24 +126,24 @@ void register_sn_procfs(void) | |||
126 | return; | 126 | return; |
127 | 127 | ||
128 | sn_procfs_create_entry("partition_id", sgi_proc_dir, | 128 | sn_procfs_create_entry("partition_id", sgi_proc_dir, |
129 | partition_id_open, single_release); | 129 | partition_id_open, single_release); |
130 | 130 | ||
131 | sn_procfs_create_entry("system_serial_number", sgi_proc_dir, | 131 | sn_procfs_create_entry("system_serial_number", sgi_proc_dir, |
132 | system_serial_number_open, single_release); | 132 | system_serial_number_open, single_release); |
133 | 133 | ||
134 | sn_procfs_create_entry("licenseID", sgi_proc_dir, | 134 | sn_procfs_create_entry("licenseID", sgi_proc_dir, |
135 | licenseID_open, single_release); | 135 | licenseID_open, single_release); |
136 | 136 | ||
137 | e = sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir, | 137 | e = sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir, |
138 | sn_force_interrupt_open, single_release); | 138 | sn_force_interrupt_open, single_release); |
139 | if (e) | 139 | if (e) |
140 | e->proc_fops->write = sn_force_interrupt_write_proc; | 140 | e->proc_fops->write = sn_force_interrupt_write_proc; |
141 | 141 | ||
142 | sn_procfs_create_entry("coherence_id", sgi_proc_dir, | 142 | sn_procfs_create_entry("coherence_id", sgi_proc_dir, |
143 | coherence_id_open, single_release); | 143 | coherence_id_open, single_release); |
144 | 144 | ||
145 | sn_procfs_create_entry("sn_topology", sgi_proc_dir, | 145 | sn_procfs_create_entry("sn_topology", sgi_proc_dir, |
146 | sn_topology_open, sn_topology_release); | 146 | sn_topology_open, sn_topology_release); |
147 | } | 147 | } |
148 | 148 | ||
149 | #endif /* CONFIG_PROC_FS */ | 149 | #endif /* CONFIG_PROC_FS */ |