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Subject[patch 1/3] x86, bts: turn BUG_ON into WARN_ON_ONCE
Turn BUG_ON's into WARN_ON_ONCE.

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

Index: ftrace/arch/x86/kernel/ds.c
===================================================================
--- ftrace.orig/arch/x86/kernel/ds.c 2008-12-08 09:42:53.000000000 +0100
+++ ftrace/arch/x86/kernel/ds.c 2008-12-08 13:29:03.000000000 +0100
@@ -452,7 +452,7 @@

static void ds_release(struct ds_tracer *tracer, enum ds_qualifier qual)
{
- BUG_ON(tracer->context->owner[qual] != tracer);
+ WARN_ON_ONCE(tracer->context->owner[qual] != tracer);
tracer->context->owner[qual] = NULL;

put_tracer(tracer->context->task);
@@ -774,7 +774,7 @@

printk(KERN_INFO "DS available\n");

- BUG_ON(MAX_SIZEOF_DS < ds_cfg.sizeof_ds);
+ WARN_ON_ONCE(MAX_SIZEOF_DS < ds_cfg.sizeof_ds);
}

void __cpuinit ds_init_intel(struct cpuinfo_x86 *c)
Index: ftrace/arch/x86/kernel/ptrace.c
===================================================================
--- ftrace.orig/arch/x86/kernel/ptrace.c 2008-12-08 09:42:53.000000000 +0100
+++ ftrace/arch/x86/kernel/ptrace.c 2008-12-08 13:29:03.000000000 +0100
@@ -878,7 +878,8 @@
{
unsigned char bts_record[BTS_MAX_RECORD_SIZE];

- BUG_ON(BTS_MAX_RECORD_SIZE < bts_cfg.sizeof_bts);
+ if (BTS_MAX_RECORD_SIZE < bts_cfg.sizeof_bts)
+ return -EOVERFLOW;

memset(bts_record, 0, bts_cfg.sizeof_bts);
switch (in->qualifier) {
@@ -1133,7 +1134,7 @@

ret = ds_get_bts_index(child->bts, &size);
if (ret == 0) {
- BUG_ON(size != (int) size);
+ WARN_ON_ONCE(size != (int) size);
ret = (int) size;
}
break;
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