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Add SMP-related reference
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@@ -12,7 +12,7 @@
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<h1><big><font color="#3c34ec">
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<i>NuttX RTOS Porting Guide</i>
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</font></big></h1>
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<p>Last Updated: February 01, 2016</p>
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<p>Last Updated: February 14, 2016</p>
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</td>
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</tr>
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</table>
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@@ -509,6 +509,7 @@
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<li>
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<code>irqstate_t irqsave(void)</code>:
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Used to disable all interrupts.
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In the case of multi-CPU platforms, this function disables interrupts on CPUs.
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</li>
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<li>
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<code>void irqrestore(irqstate_t flags)</code>:
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