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From: Paul Brook <paul@nowt.org>
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Date: Wed, 09 Jul 2008 15:31:51 +0000
Subject: [Qemu-devel] [4862] Avoid decremented overflow.
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Revision: 4862
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4862
Author:   pbrook
Date:     2008-07-09 15:31:50 +0000 (Wed, 09 Jul 2008)

Log Message:
-----------
Avoid decremented overflow.

Modified Paths:
--------------
    trunk/exec.c

Modified: trunk/exec.c
===================================================================
--- trunk/exec.c	2008-07-09 11:05:10 UTC (rev 4861)
+++ trunk/exec.c	2008-07-09 15:31:50 UTC (rev 4862)
@@ -1432,7 +1432,7 @@
        signals are used primarily to interrupt blocking syscalls.  */
 #else
     if (use_icount) {
-        env->icount_decr.u16.high = 0x8000;
+        env->icount_decr.u16.high = 0xffff;
 #ifndef CONFIG_USER_ONLY
         /* CPU_INTERRUPT_EXIT isn't a real interrupt.  It just means
            an async event happened and we need to process it.  */