Currently NMI uses spinlocks to serialize the prints. We need these to
be raw spinlocks for PREEMPT_RT
Signed-off-by: Steven Rostedt <[EMAIL PROTECTED]>
Index: linux-2.6.21-rt9/arch/x86_64/kernel/nmi.c
===================================================================
--- linux-2.6.21-rt9.orig/arch/x86_64/kernel/nmi.c
+++ linux-2.6.21-rt9/arch/x86_64/kernel/nmi.c
@@ -949,7 +949,7 @@ int __kprobes nmi_watchdog_tick(struct p
}
if (cpu_isset(cpu, backtrace_mask)) {
- static DEFINE_SPINLOCK(lock); /* Serialise the printks */
+ static DEFINE_RAW_SPINLOCK(lock); /* Serialise the
printks */
spin_lock(&lock);
printk("NMI backtrace for cpu %d\n", cpu);
-
To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
