kgdb_roundup_cpus - Get other CPUs into a holding pattern
2. SYNOPSIS ▲
void kgdb_roundup_cpus(unsigned long flags );
3. ARGUMENTS ▲
Current IRQ state
4. DESCRIPTION ▲
On SMP systems, we need to get the attention of the other CPUs and get them into a known state. This should do what is needed to get the other CPUs to call kgdb_wait. Note that on some arches, the NMI approach is not used for rounding up all the CPUs. For example, in case of MIPS, smp_call_function is used to roundup CPUs. In this case, we have to make sure that interrupts are enabled before calling smp_call_function. The argument to this function is the flags that will be used when restoring the interrupts. There is local_irq_save call before kgdb_roundup_cpus.
On non-SMP systems, this is not called.
5. AUTHOR ▲
Jason Wessel <
6. COPYRIGHT ▲