[PATCH] Switch proc interfaces in kernel/ to %pK

From: Dan Rosenberg
Date: Tue Jan 18 2011 - 17:51:27 EST


Switch users of %p in /proc interfaces in kernel/ to %pK, to allow
configuring the level of exposure of kernel pointers via the
kptr_restrict sysctl.

Signed-off-by: Dan Rosenberg <drosenberg@xxxxxxxxxxxxx>
---
kernel/cgroup.c | 2 +-
kernel/kprobes.c | 4 ++--
kernel/lockdep_proc.c | 10 +++++-----
kernel/time/timer_stats.c | 2 +-
4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index b24d702..b04951b 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4894,7 +4894,7 @@ static int cgroup_css_links_read(struct cgroup *cont,
struct css_set *cg = link->cg;
struct task_struct *task;
int count = 0;
- seq_printf(seq, "css_set %p\n", cg);
+ seq_printf(seq, "css_set %pK\n", cg);
list_for_each_entry(task, &cg->tasks, cg_list) {
if (count++ > MAX_TASKS_SHOWN_PER_CSS) {
seq_puts(seq, " ...\n");
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 7798181..2437ca4 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -2021,11 +2021,11 @@ static void __kprobes report_probe(struct seq_file *pi, struct kprobe *p,
kprobe_type = "k";

if (sym)
- seq_printf(pi, "%p %s %s+0x%x %s ",
+ seq_printf(pi, "%pK %s %s+0x%x %s ",
p->addr, kprobe_type, sym, offset,
(modname ? modname : " "));
else
- seq_printf(pi, "%p %s %p ",
+ seq_printf(pi, "%pK %s %pK ",
p->addr, kprobe_type, p->addr);

if (!pp)
diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
index 1969d2f..215638d 100644
--- a/kernel/lockdep_proc.c
+++ b/kernel/lockdep_proc.c
@@ -65,7 +65,7 @@ static int l_show(struct seq_file *m, void *v)
return 0;
}

- seq_printf(m, "%p", class->key);
+ seq_printf(m, "%pK", class->key);
#ifdef CONFIG_DEBUG_LOCKDEP
seq_printf(m, " OPS:%8ld", class->ops);
#endif
@@ -83,7 +83,7 @@ static int l_show(struct seq_file *m, void *v)

list_for_each_entry(entry, &class->locks_after, entry) {
if (entry->distance == 1) {
- seq_printf(m, " -> [%p] ", entry->class->key);
+ seq_printf(m, " -> [%pK] ", entry->class->key);
print_name(m, entry->class);
seq_puts(m, "\n");
}
@@ -152,7 +152,7 @@ static int lc_show(struct seq_file *m, void *v)
if (!class->key)
continue;

- seq_printf(m, "[%p] ", class->key);
+ seq_printf(m, "[%pK] ", class->key);
print_name(m, class);
seq_puts(m, "\n");
}
@@ -502,7 +502,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
if (!i)
seq_line(m, '-', 40-namelen, namelen);

- snprintf(ip, sizeof(ip), "[<%p>]",
+ snprintf(ip, sizeof(ip), "[<%pK>]",
(void *)class->contention_point[i]);
seq_printf(m, "%40s %14lu %29s %pS\n",
name, stats->contention_point[i],
@@ -517,7 +517,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
if (!i)
seq_line(m, '-', 40-namelen, namelen);

- snprintf(ip, sizeof(ip), "[<%p>]",
+ snprintf(ip, sizeof(ip), "[<%pK>]",
(void *)class->contending_point[i]);
seq_printf(m, "%40s %14lu %29s %pS\n",
name, stats->contending_point[i],
diff --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c
index 2f3b585..3069d0d 100644
--- a/kernel/time/timer_stats.c
+++ b/kernel/time/timer_stats.c
@@ -272,7 +272,7 @@ static void print_name_offset(struct seq_file *m, unsigned long addr)
char symname[KSYM_NAME_LEN];

if (lookup_symbol_name(addr, symname) < 0)
- seq_printf(m, "<%p>", (void *)addr);
+ seq_printf(m, "<%pK>", (void *)addr);
else
seq_printf(m, "%s", symname);
}


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/