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KGDB_ROUNDUP_CPUS(9)		KGDB Internals		  KGDB_ROUNDUP_CPUS(9)

NAME
       kgdb_roundup_cpus - Get other CPUs into a holding pattern

SYNOPSIS
       void kgdb_roundup_cpus(unsigned long flags);

ARGUMENTS
       flags
	   Current IRQ state

DESCRIPTION
       On SMP systems, we need to get the attention of the other CPUs and get
       them be in 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.

AUTHORS
       Jason Wessel <jason.wessel@windriver.com>
	   Author.

       Tom Rini <trini@kernel.crashing.org>
	   Author.

       Amit S. Kale <amitkale@linsyssoft.com>
	   Author.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		  KGDB_ROUNDUP_CPUS(9)

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