Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'modules-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull module updates from Luis Chamberlain:
- minor enhancement for sysfs compression string (David Disseldorp)
- debugfs interface to view unloaded tainted modules (Aaron Tomlin)
* tag 'modules-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
module/decompress: generate sysfs string at compile time
module: Add debugfs interface to view unloaded tainted modules
+69
-1
+1
-1
kernel/module/decompress.c
+1
-1
kernel/module/decompress.c
···
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256
static ssize_t compression_show(struct kobject *kobj,
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struct kobj_attribute *attr, char *buf)
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{
259
-
return sysfs_emit(buf, "%s\n", __stringify(MODULE_COMPRESSION));
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+
return sysfs_emit(buf, __stringify(MODULE_COMPRESSION) "\n");
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}
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static struct kobj_attribute module_compression_attr = __ATTR_RO(compression);
+68
kernel/module/tracking.c
+68
kernel/module/tracking.c
···
10
10
#include <linux/printk.h>
11
11
#include <linux/slab.h>
12
12
#include <linux/list.h>
13
+
#include <linux/debugfs.h>
13
14
#include <linux/rculist.h>
14
15
#include "internal.h"
15
16
···
60
59
}
61
60
}
62
61
}
62
+
63
+
#ifdef CONFIG_DEBUG_FS
64
+
static void *unloaded_tainted_modules_seq_start(struct seq_file *m, loff_t *pos)
65
+
__acquires(rcu)
66
+
{
67
+
rcu_read_lock();
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+
return seq_list_start_rcu(&unloaded_tainted_modules, *pos);
69
+
}
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+
71
+
static void *unloaded_tainted_modules_seq_next(struct seq_file *m, void *p, loff_t *pos)
72
+
{
73
+
return seq_list_next_rcu(p, &unloaded_tainted_modules, pos);
74
+
}
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+
76
+
static void unloaded_tainted_modules_seq_stop(struct seq_file *m, void *p)
77
+
__releases(rcu)
78
+
{
79
+
rcu_read_unlock();
80
+
}
81
+
82
+
static int unloaded_tainted_modules_seq_show(struct seq_file *m, void *p)
83
+
{
84
+
struct mod_unload_taint *mod_taint;
85
+
char buf[MODULE_FLAGS_BUF_SIZE];
86
+
size_t l;
87
+
88
+
mod_taint = list_entry(p, struct mod_unload_taint, list);
89
+
l = module_flags_taint(mod_taint->taints, buf);
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+
buf[l++] = '\0';
91
+
92
+
seq_printf(m, "%s (%s) %llu", mod_taint->name, buf, mod_taint->count);
93
+
seq_puts(m, "\n");
94
+
95
+
return 0;
96
+
}
97
+
98
+
static const struct seq_operations unloaded_tainted_modules_seq_ops = {
99
+
.start = unloaded_tainted_modules_seq_start,
100
+
.next = unloaded_tainted_modules_seq_next,
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+
.stop = unloaded_tainted_modules_seq_stop,
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+
.show = unloaded_tainted_modules_seq_show,
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+
};
104
+
105
+
static int unloaded_tainted_modules_open(struct inode *inode, struct file *file)
106
+
{
107
+
return seq_open(file, &unloaded_tainted_modules_seq_ops);
108
+
}
109
+
110
+
static const struct file_operations unloaded_tainted_modules_fops = {
111
+
.open = unloaded_tainted_modules_open,
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+
.read = seq_read,
113
+
.llseek = seq_lseek,
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+
.release = seq_release,
115
+
};
116
+
117
+
static int __init unloaded_tainted_modules_init(void)
118
+
{
119
+
struct dentry *dir;
120
+
121
+
dir = debugfs_create_dir("modules", NULL);
122
+
debugfs_create_file("unloaded_tainted", 0444, dir, NULL,
123
+
&unloaded_tainted_modules_fops);
124
+
125
+
return 0;
126
+
}
127
+
module_init(unloaded_tainted_modules_init);
128
+
#endif /* CONFIG_DEBUG_FS */