diff options
| -rw-r--r-- | fs/proc/proc_misc.c | 9 | ||||
| -rw-r--r-- | kernel/exec_domain.c | 33 |
2 files changed, 27 insertions, 15 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index 15257d4b1b91..424b9d03b1a0 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -63,7 +63,6 @@ * have a way to deal with that gracefully. Right now I used straightforward * wrappers, but this needs further analysis wrt potential overflows. */ -extern int get_exec_domain_list(char *); static int proc_calc_metrics(char *page, char **start, off_t off, int count, int *eof, int len) @@ -486,13 +485,6 @@ static const struct file_operations proc_locks_operations = { }; #endif /* CONFIG_FILE_LOCKING */ -static int execdomains_read_proc(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - int len = get_exec_domain_list(page); - return proc_calc_metrics(page, start, off, count, eof, len); -} - #ifdef CONFIG_PROC_PAGE_MONITOR #define KPMSIZE sizeof(u64) #define KPMMASK (KPMSIZE - 1) @@ -632,7 +624,6 @@ void __init proc_misc_init(void) char *name; int (*read_proc)(char*,char**,off_t,int,int*,void*); } *p, simple_ones[] = { - {"execdomains", execdomains_read_proc}, {NULL,} }; for (p = simple_ones; p->name; p++) diff --git a/kernel/exec_domain.c b/kernel/exec_domain.c index 0d407e886735..0511716e9424 100644 --- a/kernel/exec_domain.c +++ b/kernel/exec_domain.c @@ -12,7 +12,9 @@ #include <linux/kmod.h> #include <linux/module.h> #include <linux/personality.h> +#include <linux/proc_fs.h> #include <linux/sched.h> +#include <linux/seq_file.h> #include <linux/syscalls.h> #include <linux/sysctl.h> #include <linux/types.h> @@ -173,20 +175,39 @@ __set_personality(u_long personality) return 0; } -int -get_exec_domain_list(char *page) +#ifdef CONFIG_PROC_FS +static int execdomains_proc_show(struct seq_file *m, void *v) { struct exec_domain *ep; - int len = 0; read_lock(&exec_domains_lock); - for (ep = exec_domains; ep && len < PAGE_SIZE - 80; ep = ep->next) - len += sprintf(page + len, "%d-%d\t%-16s\t[%s]\n", + for (ep = exec_domains; ep; ep = ep->next) + seq_printf(m, "%d-%d\t%-16s\t[%s]\n", ep->pers_low, ep->pers_high, ep->name, module_name(ep->module)); read_unlock(&exec_domains_lock); - return (len); + return 0; +} + +static int execdomains_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, execdomains_proc_show, NULL); +} + +static const struct file_operations execdomains_proc_fops = { + .open = execdomains_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int __init proc_execdomains_init(void) +{ + proc_create("execdomains", 0, NULL, &execdomains_proc_fops); + return 0; } +module_init(proc_execdomains_init); +#endif asmlinkage long sys_personality(u_long personality) |