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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-31 12:16:37 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-31 12:16:37 -0400
commit51d7cfc670e4c09e296af101326a6270060e72e7 (patch)
treed18858aacd9634b71f543f6a187f313950a13432 /arch
parent5983b125740553d08a67d0c57e8c1021f5a06e31 (diff)
parent3ecb0a5a7b567c9719d61938bcdba22938084b65 (diff)
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] cio: deregister ccw device when pgid disband failed [S390] cio: Use device_schedule_callback() for removing disconnected devices. [S390] Fix section annotations. [S390] raw3270: use mutex instead of semaphore [S390] arch/s390/kernel/debug.c: use mutex instead of semaphore [S390] dasd_eer: use mutex instead of semaphore [S390] Add exception handler for diagnose 224
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/hypfs/hypfs_diag.c17
-rw-r--r--arch/s390/kernel/debug.c22
-rw-r--r--arch/s390/kernel/setup.c4
-rw-r--r--arch/s390/kernel/smp.c6
4 files changed, 30 insertions, 19 deletions
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
index 2782cf9da5b4..b9a1ce1f28e4 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -481,9 +481,17 @@ out:
481 481
482/* Diagnose 224 functions */ 482/* Diagnose 224 functions */
483 483
484static void diag224(void *ptr) 484static int diag224(void *ptr)
485{ 485{
486 asm volatile("diag %0,%1,0x224" : :"d" (0), "d"(ptr) : "memory"); 486 int rc = -ENOTSUPP;
487
488 asm volatile(
489 " diag %1,%2,0x224\n"
490 "0: lhi %0,0x0\n"
491 "1:\n"
492 EX_TABLE(0b,1b)
493 : "+d" (rc) :"d" (0), "d" (ptr) : "memory");
494 return rc;
487} 495}
488 496
489static int diag224_get_name_table(void) 497static int diag224_get_name_table(void)
@@ -492,7 +500,10 @@ static int diag224_get_name_table(void)
492 diag224_cpu_names = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); 500 diag224_cpu_names = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA);
493 if (!diag224_cpu_names) 501 if (!diag224_cpu_names)
494 return -ENOMEM; 502 return -ENOMEM;
495 diag224(diag224_cpu_names); 503 if (diag224(diag224_cpu_names)) {
504 kfree(diag224_cpu_names);
505 return -ENOTSUPP;
506 }
496 EBCASC(diag224_cpu_names + 16, (*diag224_cpu_names + 1) * 16); 507 EBCASC(diag224_cpu_names + 16, (*diag224_cpu_names + 1) * 16);
497 return 0; 508 return 0;
498} 509}
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index dca6eaf82c80..1b2f5ce45320 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -163,7 +163,7 @@ unsigned int debug_feature_version = __DEBUG_FEATURE_VERSION;
163 163
164static debug_info_t *debug_area_first = NULL; 164static debug_info_t *debug_area_first = NULL;
165static debug_info_t *debug_area_last = NULL; 165static debug_info_t *debug_area_last = NULL;
166static DECLARE_MUTEX(debug_lock); 166static DEFINE_MUTEX(debug_mutex);
167 167
168static int initialized; 168static int initialized;
169 169
@@ -576,7 +576,7 @@ debug_input(struct file *file, const char __user *user_buf, size_t length,
576 int rc = 0; 576 int rc = 0;
577 file_private_info_t *p_info; 577 file_private_info_t *p_info;
578 578
579 down(&debug_lock); 579 mutex_lock(&debug_mutex);
580 p_info = ((file_private_info_t *) file->private_data); 580 p_info = ((file_private_info_t *) file->private_data);
581 if (p_info->view->input_proc) 581 if (p_info->view->input_proc)
582 rc = p_info->view->input_proc(p_info->debug_info_org, 582 rc = p_info->view->input_proc(p_info->debug_info_org,
@@ -584,7 +584,7 @@ debug_input(struct file *file, const char __user *user_buf, size_t length,
584 length, offset); 584 length, offset);
585 else 585 else
586 rc = -EPERM; 586 rc = -EPERM;
587 up(&debug_lock); 587 mutex_unlock(&debug_mutex);
588 return rc; /* number of input characters */ 588 return rc; /* number of input characters */
589} 589}
590 590
@@ -602,7 +602,7 @@ debug_open(struct inode *inode, struct file *file)
602 file_private_info_t *p_info; 602 file_private_info_t *p_info;
603 debug_info_t *debug_info, *debug_info_snapshot; 603 debug_info_t *debug_info, *debug_info_snapshot;
604 604
605 down(&debug_lock); 605 mutex_lock(&debug_mutex);
606 debug_info = file->f_path.dentry->d_inode->i_private; 606 debug_info = file->f_path.dentry->d_inode->i_private;
607 /* find debug view */ 607 /* find debug view */
608 for (i = 0; i < DEBUG_MAX_VIEWS; i++) { 608 for (i = 0; i < DEBUG_MAX_VIEWS; i++) {
@@ -653,7 +653,7 @@ found:
653 file->private_data = p_info; 653 file->private_data = p_info;
654 debug_info_get(debug_info); 654 debug_info_get(debug_info);
655out: 655out:
656 up(&debug_lock); 656 mutex_unlock(&debug_mutex);
657 return rc; 657 return rc;
658} 658}
659 659
@@ -688,7 +688,7 @@ debug_register (char *name, int pages_per_area, int nr_areas, int buf_size)
688 688
689 if (!initialized) 689 if (!initialized)
690 BUG(); 690 BUG();
691 down(&debug_lock); 691 mutex_lock(&debug_mutex);
692 692
693 /* create new debug_info */ 693 /* create new debug_info */
694 694
@@ -702,7 +702,7 @@ out:
702 if (!rc){ 702 if (!rc){
703 printk(KERN_ERR "debug: debug_register failed for %s\n",name); 703 printk(KERN_ERR "debug: debug_register failed for %s\n",name);
704 } 704 }
705 up(&debug_lock); 705 mutex_unlock(&debug_mutex);
706 return rc; 706 return rc;
707} 707}
708 708
@@ -716,9 +716,9 @@ debug_unregister(debug_info_t * id)
716{ 716{
717 if (!id) 717 if (!id)
718 goto out; 718 goto out;
719 down(&debug_lock); 719 mutex_lock(&debug_mutex);
720 debug_info_put(id); 720 debug_info_put(id);
721 up(&debug_lock); 721 mutex_unlock(&debug_mutex);
722 722
723out: 723out:
724 return; 724 return;
@@ -1054,11 +1054,11 @@ __init debug_init(void)
1054 int rc = 0; 1054 int rc = 0;
1055 1055
1056 s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table); 1056 s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table);
1057 down(&debug_lock); 1057 mutex_lock(&debug_mutex);
1058 debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT,NULL); 1058 debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT,NULL);
1059 printk(KERN_INFO "debug: Initialization complete\n"); 1059 printk(KERN_INFO "debug: Initialization complete\n");
1060 initialized = 1; 1060 initialized = 1;
1061 up(&debug_lock); 1061 mutex_unlock(&debug_mutex);
1062 1062
1063 return rc; 1063 return rc;
1064} 1064}
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 6bfb0889eb10..51d6309e7f3b 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -102,7 +102,7 @@ static struct resource data_resource = {
102/* 102/*
103 * cpu_init() initializes state that is per-CPU. 103 * cpu_init() initializes state that is per-CPU.
104 */ 104 */
105void __devinit cpu_init (void) 105void __cpuinit cpu_init(void)
106{ 106{
107 int addr = hard_smp_processor_id(); 107 int addr = hard_smp_processor_id();
108 108
@@ -915,7 +915,7 @@ setup_arch(char **cmdline_p)
915 setup_zfcpdump(console_devno); 915 setup_zfcpdump(console_devno);
916} 916}
917 917
918void print_cpu_info(struct cpuinfo_S390 *cpuinfo) 918void __cpuinit print_cpu_info(struct cpuinfo_S390 *cpuinfo)
919{ 919{
920 printk("cpu %d " 920 printk("cpu %d "
921#ifdef CONFIG_SMP 921#ifdef CONFIG_SMP
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 09f028a3266b..8ff2feaf9b00 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -492,7 +492,7 @@ static unsigned int __init smp_count_cpus(void)
492/* 492/*
493 * Activate a secondary processor. 493 * Activate a secondary processor.
494 */ 494 */
495int __devinit start_secondary(void *cpuvoid) 495int __cpuinit start_secondary(void *cpuvoid)
496{ 496{
497 /* Setup the cpu */ 497 /* Setup the cpu */
498 cpu_init(); 498 cpu_init();
@@ -741,7 +741,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
741 smp_create_idle(cpu); 741 smp_create_idle(cpu);
742} 742}
743 743
744void __devinit smp_prepare_boot_cpu(void) 744void __init smp_prepare_boot_cpu(void)
745{ 745{
746 BUG_ON(smp_processor_id() != 0); 746 BUG_ON(smp_processor_id() != 0);
747 747
@@ -750,7 +750,7 @@ void __devinit smp_prepare_boot_cpu(void)
750 current_set[0] = current; 750 current_set[0] = current;
751} 751}
752 752
753void smp_cpus_done(unsigned int max_cpus) 753void __init smp_cpus_done(unsigned int max_cpus)
754{ 754{
755 cpu_present_map = cpu_possible_map; 755 cpu_present_map = cpu_possible_map;
756} 756}