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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>init_copy_desc_masks</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux generic IRQ handling" /><link rel="up" href="ch07.html" title="Chapter 7. Structures" /><link rel="prev" href="re03.html" title="alloc_desc_masks" /><link rel="next" href="re05.html" title="struct irqaction" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>init_copy_desc_masks</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re03.html">Prev</a> </td><th width="60%" align="center">Chapter 7. Structures</th><td width="20%" align="right"> <a accesskey="n" href="re05.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="init_copy_desc_masks"><a id="API-init-copy-desc-masks"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>init_copy_desc_masks —
copy cpumasks for irq_desc
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">void <b class="fsfunc">init_copy_desc_masks </b>(</code></td><td>struct irq_desc * <var class="pdparam">old_desc</var>, </td></tr><tr><td> </td><td>struct irq_desc * <var class="pdparam">new_desc</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2910206"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>old_desc</code></em></span></dt><dd><p>
pointer to old irq_desc struct
</p></dd><dt><span class="term"><em class="parameter"><code>new_desc</code></em></span></dt><dd><p>
pointer to new irq_desc struct
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2910249"></a><h2>Description</h2><p>
Insures affinity and pending_masks are copied to new irq_desc.
If !CONFIG_CPUMASKS_OFFSTACK the cpumasks are embedded in the
irq_desc struct so the copy is redundant.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re03.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch07.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re05.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>alloc_desc_masks</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>struct irqaction</span></td></tr></table></div></body></html>
