MIPS: KGDB: fix kgdb support for SMP platforms.
KGDB_call_nmi_hook is called by other cpu through smp call. MIPS smp call is processed in ipi irq handler and regs is saved in handle_int. So kgdb_call_nmi_hook get regs by get_irq_regs and regs will be passed to kgdb_cpu_enter. Signed-off-by: NChong Qiao <qiaochong@loongson.cn> Reviewed-by: NDouglas Anderson <dianders@chromium.org> Acked-by: NDaniel Thompson <daniel.thompson@linaro.org> Signed-off-by: NPaul Burton <paul.burton@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: Will Deacon <will.deacon@arm.com> Cc: Christophe Leroy <christophe.leroy@c-s.fr> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: QiaoChong <qiaochong@loongson.cn>
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