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由 Andrew Bresticker 提交于
Since cpu_wait() enables interrupts upon return, CPUs which have entered stop_this_cpu() may still end up handling interrupts. This can lead to the softlockup detector firing on a panic or restart/poweroff/halt. Just disable interrupts and spin to ensure nothing else runs on the CPU once it has entered stop_this_cpu(). Signed-off-by: NAndrew Bresticker <abrestic@chromium.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: Maciej W. Rozycki <macro@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/9601/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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