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authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-31 22:32:05 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-31 22:32:05 (GMT)
commit26847fa6eb4fd653171f86d249caa761ce1e87c7 (patch)
tree8b315fd9fb903b1c3a942389a7be0580de5cd184 /arch/s390/kernel/debug.c
parent08843b79fb35d33859e0f8f11a7318341076e4d1 (diff)
parent7d25617597ff8dcfe4d0e1d0ac9214e7cc7ded92 (diff)
downloadlinux-26847fa6eb4fd653171f86d249caa761ce1e87c7.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky: "This it the second batch of s390 patches for the 3.6 merge window. Included is enablement for two common code changes, killable page faults and sorted exception tables. And the regular set of cleanup and bug fix patches." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390: make use of user_mode() macro where possible s390/mm: rename user_mode variable to addressing_mode s390/mm: fix fault handling for page table walk case s390/mm: make page faults killable s390: update defconfig s390/mm: downgrade page table after fork of a 31 bit process s390/ipl: Use diagnose 8 command separation s390/linker script: use RO_DATA_SECTION s390/exceptions: sort exception table at build time s390/debug: remove module_exit function / move EXPORT_SYMBOLs
Diffstat (limited to 'arch/s390/kernel/debug.c')
-rw-r--r--arch/s390/kernel/debug.c70
1 files changed, 23 insertions, 47 deletions
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 21be961..ba500d8 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -110,6 +110,7 @@ struct debug_view debug_raw_view = {
NULL,
NULL
};
+EXPORT_SYMBOL(debug_raw_view);
struct debug_view debug_hex_ascii_view = {
"hex_ascii",
@@ -119,6 +120,7 @@ struct debug_view debug_hex_ascii_view = {
NULL,
NULL
};
+EXPORT_SYMBOL(debug_hex_ascii_view);
static struct debug_view debug_level_view = {
"level",
@@ -155,6 +157,7 @@ struct debug_view debug_sprintf_view = {
NULL,
NULL
};
+EXPORT_SYMBOL(debug_sprintf_view);
/* used by dump analysis tools to determine version of debug feature */
static unsigned int __used debug_feature_version = __DEBUG_FEATURE_VERSION;
@@ -730,6 +733,7 @@ debug_info_t *debug_register(const char *name, int pages_per_area,
return debug_register_mode(name, pages_per_area, nr_areas, buf_size,
S_IRUSR | S_IWUSR, 0, 0);
}
+EXPORT_SYMBOL(debug_register);
/*
* debug_unregister:
@@ -748,6 +752,7 @@ debug_unregister(debug_info_t * id)
out:
return;
}
+EXPORT_SYMBOL(debug_unregister);
/*
* debug_set_size:
@@ -810,7 +815,7 @@ debug_set_level(debug_info_t* id, int new_level)
}
spin_unlock_irqrestore(&id->lock,flags);
}
-
+EXPORT_SYMBOL(debug_set_level);
/*
* proceed_active_entry:
@@ -930,7 +935,7 @@ debug_stop_all(void)
if (debug_stoppable)
debug_active = 0;
}
-
+EXPORT_SYMBOL(debug_stop_all);
void debug_set_critical(void)
{
@@ -963,6 +968,7 @@ debug_event_common(debug_info_t * id, int level, const void *buf, int len)
return active;
}
+EXPORT_SYMBOL(debug_event_common);
/*
* debug_exception_common:
@@ -990,6 +996,7 @@ debug_entry_t
return active;
}
+EXPORT_SYMBOL(debug_exception_common);
/*
* counts arguments in format string for sprintf view
@@ -1043,6 +1050,7 @@ debug_sprintf_event(debug_info_t* id, int level,char *string,...)
return active;
}
+EXPORT_SYMBOL(debug_sprintf_event);
/*
* debug_sprintf_exception:
@@ -1081,25 +1089,7 @@ debug_sprintf_exception(debug_info_t* id, int level,char *string,...)
return active;
}
-
-/*
- * debug_init:
- * - is called exactly once to initialize the debug feature
- */
-
-static int
-__init debug_init(void)
-{
- int rc = 0;
-
- s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table);
- mutex_lock(&debug_mutex);
- debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT,NULL);
- initialized = 1;
- mutex_unlock(&debug_mutex);
-
- return rc;
-}
+EXPORT_SYMBOL(debug_sprintf_exception);
/*
* debug_register_view:
@@ -1147,6 +1137,7 @@ debug_register_view(debug_info_t * id, struct debug_view *view)
out:
return rc;
}
+EXPORT_SYMBOL(debug_register_view);
/*
* debug_unregister_view:
@@ -1176,6 +1167,7 @@ debug_unregister_view(debug_info_t * id, struct debug_view *view)
out:
return rc;
}
+EXPORT_SYMBOL(debug_unregister_view);
static inline char *
debug_get_user_string(const char __user *user_buf, size_t user_len)
@@ -1485,6 +1477,7 @@ debug_dflt_header_fn(debug_info_t * id, struct debug_view *view,
except_str, entry->id.fields.cpuid, (void *) caller);
return rc;
}
+EXPORT_SYMBOL(debug_dflt_header_fn);
/*
* prints debug data sprintf-formated:
@@ -1533,33 +1526,16 @@ out:
}
/*
- * clean up module
+ * debug_init:
+ * - is called exactly once to initialize the debug feature
*/
-static void __exit debug_exit(void)
+static int __init debug_init(void)
{
- debugfs_remove(debug_debugfs_root_entry);
- unregister_sysctl_table(s390dbf_sysctl_header);
- return;
+ s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table);
+ mutex_lock(&debug_mutex);
+ debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT, NULL);
+ initialized = 1;
+ mutex_unlock(&debug_mutex);
+ return 0;
}
-
-/*
- * module definitions
- */
postcore_initcall(debug_init);
-module_exit(debug_exit);
-MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL(debug_register);
-EXPORT_SYMBOL(debug_unregister);
-EXPORT_SYMBOL(debug_set_level);
-EXPORT_SYMBOL(debug_stop_all);
-EXPORT_SYMBOL(debug_register_view);
-EXPORT_SYMBOL(debug_unregister_view);
-EXPORT_SYMBOL(debug_event_common);
-EXPORT_SYMBOL(debug_exception_common);
-EXPORT_SYMBOL(debug_hex_ascii_view);
-EXPORT_SYMBOL(debug_raw_view);
-EXPORT_SYMBOL(debug_dflt_header_fn);
-EXPORT_SYMBOL(debug_sprintf_view);
-EXPORT_SYMBOL(debug_sprintf_exception);
-EXPORT_SYMBOL(debug_sprintf_event);