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LKML: (Eric W. Biederman): Re: [RFC][PATCH 4/5] utsname namespaces: sysctl hack
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Biederman)</a><ul><li><a href="/lkml/2006/4/19/187">Dave Hansen</a><ul><li class="origin"><a href="">(Eric W. Biederman)</a></li><li><a href="/lkml/2006/4/19/196">(Eric W. Biederman)</a></li></ul></li></ul></li></ul></td><td width="32" rowspan="2" class="c" valign="top"><img src="/images/icornerl.gif" width="32" height="32" alt="/" /></td><td class="c" rowspan="2" valign="top" style="padding-top: 1em"><table><tr><td><table><tr><td class="lp">Subject</td><td class="rp" itemprop="name">Re: [RFC][PATCH 4/5] utsname namespaces: sysctl hack</td></tr><tr><td class="lp">From</td><td class="rp" itemprop="author">(Eric W. Biederman)</td></tr><tr><td class="lp">Date</td><td class="rp" itemprop="datePublished">Wed, 19 Apr 2006 11:37:00 -0600</td></tr></table></td><td></td></tr></table><pre itemprop="articleBody">Dave Hansen <haveblue@us.ibm.com> writes:<br /><br />> On Wed, 2006-04-19 at 10:52 -0600, Eric W. Biederman wrote:<br />>> Dave Hansen <haveblue@us.ibm.com> writes:<br />>> <br />>> > Besides ipc and utsnames, can anybody think of some other things in<br />>> > sysctl that we really need to virtualize?<br />>> <br />>> All of the networking entries.<br />> ...<br />>> Only in that you attacked the wrong piece of the puzzle.<br />>> The strategy table entries simply need to die, or be rewritten<br />>> to use the appropriate proc entries.<br />><br />> If we are limited to ipc, utsname, and network, I'd be worried trying to<br />> justify _too_ much infrastructure. The network namespaces are not going<br />> to be solved any time soon. Why not have something like this which is a<br />> quite simple, understandable, minor hack?<br /><br />Because it doesn't affect what happens in /proc/sys !<br />Strategy routines only affect sys_sysctl.<br /><br />As strategy routines I have no real problems with them.<br />I haven't looked terribly closely yet.<br /><br />>> The proc entries are the real interface, and the two pieces<br />>> don't share an implementation unfortunately.<br />><br />> You're saying that the proc interface doesn't use the ->strategy entry?<br />> That isn't what I remember, but I could be completely wrong.<br /><br />Exactly. I have a patch I will be sending out shortly that<br />make sys_sysctl a compile time option (so we can seriously start killing it)<br />and it compiles out the strategy routines and /proc/sys still works :)<br /><br />Eric<br />-<br />To unsubscribe from this list: send the line "unsubscribe linux-kernel" in<br />the body of a message to majordomo@vger.kernel.org<br />More majordomo info at <a href="http://vger.kernel.org/majordomo-info.html">http://vger.kernel.org/majordomo-info.html</a><br />Please read the FAQ at <a href="http://www.tux.org/lkml/">http://www.tux.org/lkml/</a><br /><br /></pre></td><td width="32" rowspan="2" class="c" valign="top"><img src="/images/icornerr.gif" width="32" height="32" alt="\" /></td></tr><tr><td align="right" valign="bottom"> 聽 </td></tr><tr><td align="right" valign="bottom">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerl.gif" width="32" height="32" alt="\" /></td><td class="c">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerr.gif" width="32" height="32" alt="/" /></td></tr><tr><td align="right" valign="top" colspan="2"> 聽 </td><td class="lm">Last update: 2006-04-19 19:41 聽聽 [from the cache]<br />漏2003-2020 <a href="http://blog.jasper.es/"><span itemprop="editor">Jasper Spaans</span></a>|hosted at <a href="https://www.digitalocean.com/?refcode=9a8e99d24cf9">Digital Ocean</a> and my Meterkast|<a href="http://blog.jasper.es/categories.html#lkml-ref">Read the blog</a></td><td>聽</td></tr></table><script language="javascript" src="/js/styleswitcher.js" type="text/javascript"></script></body></html>