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<title>change log for rtems (2011-04-22)</title>
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 <font color='#bb2222'><strong>joel</strong></font>
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<tr><td colspan='3' bgcolor='#dddddd'><pre>2011-04-22 Joel Sherrill <joel.sherrill@oarcorp.com>

        PR 1782/cpukit
        * score/include/rtems/score/thread.h: Disable deferred FPU context
        switches when SMP is enabled. Per code tracking of deferred contexts
        is not implemented.
</pre></td></tr>
<tr><td width='1%'><a href="http://www.rtems.com/cgi-bin/viewcvs.cgi//rtems/cpukit/ChangeLog.diff?r1=text&tr1=1.2803&r2=text&tr2=1.2804&diff_format=h">M</a></td><td width='1%'>1.2804</td><td width='100%'>cpukit/ChangeLog</td></tr>
<tr><td width='1%'><a href="http://www.rtems.com/cgi-bin/viewcvs.cgi//rtems/cpukit/score/include/rtems/score/thread.h.diff?r1=text&tr1=1.101&r2=text&tr2=1.102&diff_format=h">M</a></td><td width='1%'>1.102</td><td width='100%'>cpukit/score/include/rtems/score/thread.h</td></tr>
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<font color='#006600'>diff -u rtems/cpukit/ChangeLog:1.2803 rtems/cpukit/ChangeLog:1.2804
--- rtems/cpukit/ChangeLog:1.2803       Thu Apr 21 14:05:14 2011
+++ rtems/cpukit/ChangeLog      Fri Apr 22 12:54:31 2011
</font><font color='#997700'>@@ -1,3 +1,10 @@
</font><font color='#000088'>+2011-04-22    Joel Sherrill <joel.sherrill@oarcorp.com>
+
+       PR 1782/cpukit
+       * score/include/rtems/score/thread.h: Disable deferred FPU context
+       switches when SMP is enabled. Per code tracking of deferred contexts
+       is not implemented.
+
</font> 2011-04-21        Jennifer Averett <Jennifer.Averett@OARcorp.com
 
        PR 1777/cpukit

<font color='#006600'>diff -u rtems/cpukit/score/include/rtems/score/thread.h:1.101 rtems/cpukit/score/include/rtems/score/thread.h:1.102
--- rtems/cpukit/score/include/rtems/score/thread.h:1.101       Thu Apr 21 14:05:14 2011
+++ rtems/cpukit/score/include/rtems/score/thread.h     Fri Apr 22 12:54:31 2011
</font><font color='#997700'>@@ -58,6 +58,15 @@
</font>   #define __THREAD_DO_NOT_INLINE_ENABLE_DISPATCH__
 #endif
 
<font color='#000088'>+/*
+ *  Deferred floating point context switches are not currently
+ *  supported when in SMP configuration.
+ */
+#if defined(RTEMS_SMP)
+  #undef  CPU_USE_DEFERRED_FP_SWITCH
+  #define CPU_USE_DEFERRED_FP_SWITCH FALSE
+#endif
+
</font> #ifdef __cplusplus
 extern "C" {
 #endif
</pre>
<p> </p>
<a name='cs2'></a>
<table border='0' cellspacing='0' cellpadding='5' width='100%' bgcolor='#eeeeee'>
<tr><td colspan='3' bgcolor='#dddddd'>
 <font color='#bb2222'><strong>joel</strong></font>
</td></tr>
<tr><td colspan='3' bgcolor='#dddddd'><pre>2011-04-22 Joel Sherrill <joel.sherrill@oarcorp.com>

        PR 1782/cpukit
        * porting/taskcontext.t: Disable deferred FPU context switches when SMP
        is enabled. Per code tracking of deferred contexts is not
        implemented.
</pre></td></tr>
<tr><td width='1%'><a href="http://www.rtems.com/cgi-bin/viewcvs.cgi//rtems/doc/ChangeLog.diff?r1=text&tr1=1.305&r2=text&tr2=1.306&diff_format=h">M</a></td><td width='1%'>1.306</td><td width='100%'>doc/ChangeLog</td></tr>
<tr><td width='1%'><a href="http://www.rtems.com/cgi-bin/viewcvs.cgi//rtems/doc/porting/taskcontext.t.diff?r1=text&tr1=1.7&r2=text&tr2=1.8&diff_format=h">M</a></td><td width='1%'>1.8</td><td width='100%'>doc/porting/taskcontext.t</td></tr>
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<pre>
<font color='#006600'>diff -u rtems/doc/ChangeLog:1.305 rtems/doc/ChangeLog:1.306
--- rtems/doc/ChangeLog:1.305   Thu Apr  7 11:50:35 2011
+++ rtems/doc/ChangeLog Fri Apr 22 12:54:37 2011
</font><font color='#997700'>@@ -1,3 +1,10 @@
</font><font color='#000088'>+2011-04-22    Joel Sherrill <joel.sherrill@oarcorp.com>
+
+       PR 1782/cpukit
+       * porting/taskcontext.t: Disable deferred FPU context switches when SMP
+       is enabled. Per code tracking of deferred contexts is not
+       implemented.
+
</font> 2011-04-07        Joel Sherrill <joel.sherrill@oarcorp.com>
 
        * rtems_footer.html.in, common/cpright.texi: Update dates in copyright.

<font color='#006600'>diff -u rtems/doc/porting/taskcontext.t:1.7 rtems/doc/porting/taskcontext.t:1.8
--- rtems/doc/porting/taskcontext.t:1.7 Thu Jan 17 15:47:45 2002
+++ rtems/doc/porting/taskcontext.t     Fri Apr 22 12:54:38 2011
</font><font color='#997700'>@@ -401,6 +401,9 @@
</font> #define CPU_USE_DEFERRED_FP_SWITCH       TRUE
 @end example
 
<font color='#000088'>+Note that currently, when in SMP configuration, deferred floating point
+context switching is unavailable.
+
</font> @subsection Floating Point Context Data Structure
 
 The Context_Control_fp contains the per task information for the floating
</pre>
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