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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-31 09:16:37 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-31 09:16:37 -0700
commit51d7cfc670e4c09e296af101326a6270060e72e7 (patch)
treed18858aacd9634b71f543f6a187f313950a13432 /arch
parent5983b125740553d08a67d0c57e8c1021f5a06e31 (diff)
parent3ecb0a5a7b567c9719d61938bcdba22938084b65 (diff)
downloadop-kernel-dev-51d7cfc670e4c09e296af101326a6270060e72e7.zip
op-kernel-dev-51d7cfc670e4c09e296af101326a6270060e72e7.tar.gz
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 2782cf9..b9a1ce1 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -481,9 +481,17 @@ out:
/* Diagnose 224 functions */
-static void diag224(void *ptr)
+static int diag224(void *ptr)
{
- asm volatile("diag %0,%1,0x224" : :"d" (0), "d"(ptr) : "memory");
+ int rc = -ENOTSUPP;
+
+ asm volatile(
+ " diag %1,%2,0x224\n"
+ "0: lhi %0,0x0\n"
+ "1:\n"
+ EX_TABLE(0b,1b)
+ : "+d" (rc) :"d" (0), "d" (ptr) : "memory");
+ return rc;
}
static int diag224_get_name_table(void)
@@ -492,7 +500,10 @@ static int diag224_get_name_table(void)
diag224_cpu_names = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA);
if (!diag224_cpu_names)
return -ENOMEM;
- diag224(diag224_cpu_names);
+ if (diag224(diag224_cpu_names)) {
+ kfree(diag224_cpu_names);
+ return -ENOTSUPP;
+ }
EBCASC(diag224_cpu_names + 16, (*diag224_cpu_names + 1) * 16);
return 0;
}
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index dca6eaf..1b2f5ce 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;
static debug_info_t *debug_area_first = NULL;
static debug_info_t *debug_area_last = NULL;
-static DECLARE_MUTEX(debug_lock);
+static DEFINE_MUTEX(debug_mutex);
static int initialized;
@@ -576,7 +576,7 @@ debug_input(struct file *file, const char __user *user_buf, size_t length,
int rc = 0;
file_private_info_t *p_info;
- down(&debug_lock);
+ mutex_lock(&debug_mutex);
p_info = ((file_private_info_t *) file->private_data);
if (p_info->view->input_proc)
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,
length, offset);
else
rc = -EPERM;
- up(&debug_lock);
+ mutex_unlock(&debug_mutex);
return rc; /* number of input characters */
}
@@ -602,7 +602,7 @@ debug_open(struct inode *inode, struct file *file)
file_private_info_t *p_info;
debug_info_t *debug_info, *debug_info_snapshot;
- down(&debug_lock);
+ mutex_lock(&debug_mutex);
debug_info = file->f_path.dentry->d_inode->i_private;
/* find debug view */
for (i = 0; i < DEBUG_MAX_VIEWS; i++) {
@@ -653,7 +653,7 @@ found:
file->private_data = p_info;
debug_info_get(debug_info);
out:
- up(&debug_lock);
+ mutex_unlock(&debug_mutex);
return rc;
}
@@ -688,7 +688,7 @@ debug_register (char *name, int pages_per_area, int nr_areas, int buf_size)
if (!initialized)
BUG();
- down(&debug_lock);
+ mutex_lock(&debug_mutex);
/* create new debug_info */
@@ -702,7 +702,7 @@ out:
if (!rc){
printk(KERN_ERR "debug: debug_register failed for %s\n",name);
}
- up(&debug_lock);
+ mutex_unlock(&debug_mutex);
return rc;
}
@@ -716,9 +716,9 @@ debug_unregister(debug_info_t * id)
{
if (!id)
goto out;
- down(&debug_lock);
+ mutex_lock(&debug_mutex);
debug_info_put(id);
- up(&debug_lock);
+ mutex_unlock(&debug_mutex);
out:
return;
@@ -1054,11 +1054,11 @@ __init debug_init(void)
int rc = 0;
s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table);
- down(&debug_lock);
+ mutex_lock(&debug_mutex);
debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT,NULL);
printk(KERN_INFO "debug: Initialization complete\n");
initialized = 1;
- up(&debug_lock);
+ mutex_unlock(&debug_mutex);
return rc;
}
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 6bfb088..51d6309 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -102,7 +102,7 @@ static struct resource data_resource = {
/*
* cpu_init() initializes state that is per-CPU.
*/
-void __devinit cpu_init (void)
+void __cpuinit cpu_init(void)
{
int addr = hard_smp_processor_id();
@@ -915,7 +915,7 @@ setup_arch(char **cmdline_p)
setup_zfcpdump(console_devno);
}
-void print_cpu_info(struct cpuinfo_S390 *cpuinfo)
+void __cpuinit print_cpu_info(struct cpuinfo_S390 *cpuinfo)
{
printk("cpu %d "
#ifdef CONFIG_SMP
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 09f028a..8ff2fea 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)
/*
* Activate a secondary processor.
*/
-int __devinit start_secondary(void *cpuvoid)
+int __cpuinit start_secondary(void *cpuvoid)
{
/* Setup the cpu */
cpu_init();
@@ -741,7 +741,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
smp_create_idle(cpu);
}
-void __devinit smp_prepare_boot_cpu(void)
+void __init smp_prepare_boot_cpu(void)
{
BUG_ON(smp_processor_id() != 0);
@@ -750,7 +750,7 @@ void __devinit smp_prepare_boot_cpu(void)
current_set[0] = current;
}
-void smp_cpus_done(unsigned int max_cpus)
+void __init smp_cpus_done(unsigned int max_cpus)
{
cpu_present_map = cpu_possible_map;
}
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