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- witness_checkorder() task is done.

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- resource limits locking is done.
- sleep queues are a WIP now.
This commit is contained in:
John Baldwin 2004-02-04 22:39:36 +00:00
parent 34ff945f6a
commit 74cbe833f7
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/www/; revision=19973
1 changed files with 31 additions and 24 deletions
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55
en/smp/index.sgml
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@ -1,6 +1,6 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" [
<!ENTITY base CDATA "..">
<!ENTITY date "$FreeBSD: www/en/smp/index.sgml,v 1.115 2003/11/10 19:46:16 rwatson Exp $">
<!ENTITY date "$FreeBSD: www/en/smp/index.sgml,v 1.116 2003/11/11 22:31:13 jhb Exp $">
<!ENTITY title "FreeBSD SMP Project">
<!ENTITY email 'freebsd-smp'>
<!ENTITY % includes SYSTEM "../includes.sgml"> %includes;
@ -1113,6 +1113,25 @@
<td> &status.done; </td>
</tr>
<tr>
<td> Split witness_lock() into witness_checkorder() and
witness_lock(). witness_checkorder() would be called before
acquiring a lock to increase the changes of detecting and warning
about a reversal prior to deadlocking. witness_lock() would
simply update witness' internal state to note that a lock has
been acquired. </td>
<td> &a.jhb; </td>
<td> 24 January 2004 </td>
<td> &status.done; </td>
</tr>
<tr>
<td> Lock per-process resource limits. </td>
<td> &a.mtm;, &a.jhb; </td>
<td> 4 February 2004 </td>
<td> &status.done; </td>
</tr>
<!-- WIP -->
<tr>
@ -1288,6 +1307,17 @@
<td> &status.wip; </td>
</tr>
<tr>
<td> Implement a sleep queue abstraction to be used by both msleep()
and condition variables. This new abstraction should use a hash
table of sleep queues with a spin lock on each sleep queue chain
similar to turnstile chain locks to make sched_lock finger
grained.</td>
<td> &a.jhb; </td>
<td> 4 February 2004 </td>
<td> &status.wip; </td>
</tr>
<!-- Stalled -->
<tr>
@ -1457,17 +1487,6 @@
<td> &status.new; </td>
</tr>
<tr>
<td> Implement a sleep queue abstraction to be used by both msleep()
and condition variables. This new abstraction should use a hash
table of sleep queues with a spin lock on each sleep queue chain
similar to turnstile chain locks to make sched_lock finger
grained.</td>
<td> &a.jhb; </td>
<td> 23 May 2002 </td>
<td> &status.new; </td>
</tr>
<tr>
<td> Add a witness_sleep() check to copyin/out() and s/fuword(). </td>
<td> &a.jhb; </td>
@ -1475,18 +1494,6 @@
<td> &status.new; </td>
</tr>
<tr>
<td> Split witness_lock() into witness_checkorder() and
witness_lock(). witness_checkorder() would be called before
acquiring a lock to increase the changes of detecting and warning
about a reversal prior to deadlocking. witness_lock() would
simply update witness' internal state to note that a lock has
been acquired. </td>
<td> &a.jhb; </td>
<td> 7 June 2002 </td>
<td> &status.new; </td>
</tr>
<!--
<tr>
<td> </td>