[patch 12/21] x86, ds: defer ds selftests

From: Markus Metzger
Date: Tue Mar 31 2009 - 09:28:43 EST


Defer debug store selftests.


Signed-off-by: Markus Metzger <markus.t.metzger@xxxxxxxxx>
---

Index: git-tip/arch/x86/kernel/ds.c
===================================================================
--- git-tip.orig/arch/x86/kernel/ds.c 2009-03-30 18:52:24.000000000 +0200
+++ git-tip/arch/x86/kernel/ds.c 2009-03-30 19:02:29.000000000 +0200
@@ -1289,26 +1289,6 @@ ds_configure(const struct ds_configurati
printk(KERN_INFO "[ds] pebs not available\n");
}

- if (ds_cfg.sizeof_rec[ds_bts]) {
- int error;
-
- error = ds_selftest_bts();
- if (error) {
- WARN(1, "[ds] selftest failed. disabling bts.\n");
- ds_cfg.sizeof_rec[ds_bts] = 0;
- }
- }
-
- if (ds_cfg.sizeof_rec[ds_pebs]) {
- int error;
-
- error = ds_selftest_pebs();
- if (error) {
- WARN(1, "[ds] selftest failed. disabling pebs.\n");
- ds_cfg.sizeof_rec[ds_pebs] = 0;
- }
- }
-
printk(KERN_INFO "[ds] sizes: address: %u bit, ",
8 * ds_cfg.sizeof_ptr_field);
printk("bts/pebs record: %u/%u bytes\n",
@@ -1406,3 +1386,29 @@ void ds_copy_thread(struct task_struct *
void ds_exit_thread(struct task_struct *tsk)
{
}
+
+static __init int ds_selftest(void)
+{
+ if (ds_cfg.sizeof_rec[ds_bts]) {
+ int error;
+
+ error = ds_selftest_bts();
+ if (error) {
+ WARN(1, "[ds] selftest failed. disabling bts.\n");
+ ds_cfg.sizeof_rec[ds_bts] = 0;
+ }
+ }
+
+ if (ds_cfg.sizeof_rec[ds_pebs]) {
+ int error;
+
+ error = ds_selftest_pebs();
+ if (error) {
+ WARN(1, "[ds] selftest failed. disabling pebs.\n");
+ ds_cfg.sizeof_rec[ds_pebs] = 0;
+ }
+ }
+
+ return 0;
+}
+device_initcall(ds_selftest);
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