Add address environment support to ALL implementatins of up_release_pending()

1 files changed, 14 insertions, 2 deletions

diff --git a/nuttx/arch/x86/src/common/up_releasepending.c b/nuttx/arch/x86/src/common/up_releasepending.c
index 2f7db7618..0137243db 100644
--- a/nuttx/arch/x86/src/common/up_releasepending.c
+++ b/nuttx/arch/x86/src/common/up_releasepending.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  *  arch/arm/src/arm/up_releasepending.c
  *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2011, 2014 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@
 #include <nuttx/arch.h>
 
 #include "sched/sched.h"
+#include "group/group.h"
 #include "up_internal.h"
 
 /****************************************************************************
@@ -104,7 +105,9 @@ void up_release_pending(void)
           rtcb = (struct tcb_s*)g_readytorun.head;
           slldbg("New Active Task TCB=%p\n", rtcb);
 
-          /* Then switch contexts */
+          /* Then switch contexts.  Any necessary address environment
+           * changes will be made when the interrupt returns.
+           */
 
           up_restorestate(rtcb->xcp.regs);
         }
@@ -124,6 +127,15 @@ void up_release_pending(void)
           rtcb = (struct tcb_s*)g_readytorun.head;
           slldbg("New Active Task TCB=%p\n", rtcb);
 
+#ifdef CONFIG_ARCH_ADDRENV
+          /* Make sure that the address environment for the previously
+           * running task is closed down gracefully (data caches dump,
+           * MMU flushed) and set up the address environment for the new
+           * thread at the head of the ready-to-run list.
+           */
+
+          (void)group_addrenv(rtcb);
+#endif
            /* Then switch contexts */
 
           up_fullcontextrestore(rtcb->xcp.regs);