Re: RT patch breaks X86_64 build

From: Michal Schmidt
Date: Thu Jun 02 2005 - 07:33:44 EST


Hi Ingo,

I don't see why /proc/sys/kernel/preempt_{max_latency,thresh} should not be readable for all users. They already can see much more detailed information in /proc/latency_trace.

Michal --- linux-RT.mich/kernel/latency.c.orig 2005-06-02 13:42:23.000000000 +0200
+++ linux-RT.mich/kernel/latency.c 2005-06-02 12:57:05.000000000 +0200
@@ -1809,14 +1809,14 @@ static __init int latency_init(void)
{
struct proc_dir_entry *entry;

- entry = create_proc_entry("sys/kernel/preempt_max_latency", 0600, NULL);
+ entry = create_proc_entry("sys/kernel/preempt_max_latency", 0644, NULL);

entry->nlink = 1;
entry->data = &preempt_max_latency;
entry->read_proc = preempt_read_proc;
entry->write_proc = preempt_write_proc;

- entry = create_proc_entry("sys/kernel/preempt_thresh", 0600, NULL);
+ entry = create_proc_entry("sys/kernel/preempt_thresh", 0644, NULL);

entry->nlink = 1;
entry->data = &preempt_thresh;