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<base href="https://bugs.dpdk.org/">
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<body><table border="1" cellspacing="0" cellpadding="8" class="bz_new_table">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - CPU_SETSIZE should not be used"
href="https://bugs.dpdk.org/show_bug.cgi?id=1704">1704</a>
</td>
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<th>Summary</th>
<td>CPU_SETSIZE should not be used
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>All
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>Normal
</td>
</tr>
<tr>
<th>Component</th>
<td>core
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dev@dpdk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mb@smartsharesystems.com
</td>
</tr>
<tr>
<th>Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div class="bz_comment_block">
<pre class="bz_comment_text">The EAL assumes that cpu_set_t is an array holding CPU_SETSIZE elements.
This doesn't work when the host has more physical CPU cores than CPU_SETSIZE.
Instead, it should use CPU_ALLOC()/CPU_FREE() with the correct number of
physical CPU cores in the host.
man CPU_SET(3):
<a href="https://man7.org/linux/man-pages/man3/CPU_SET.3.html">https://man7.org/linux/man-pages/man3/CPU_SET.3.html</a>
</pre>
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