commit bd967e05da8cbb2c863b0c75632530966cafcc11
author pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> Sun Mar 11 18:54:57 2007 +0000
committer pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> Sun Mar 11 18:54:57 2007 +0000
tree bfb4a9fa69feca8a36f30b7a70092c04838c69d1
parent f3d6b95e835ba12e9cfdca76124897122c47cd1b

SMP half-idle fix.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2477 c046a42c-6fe2-441c-8c8c-71466251a162

vl.c

diff --git a/vl.c b/vl.c
index e871c8c..742f900 100644
--- a/vl.c
+++ b/vl.c
@@ -6298,13 +6298,16 @@
 #ifdef CONFIG_PROFILER
                 qemu_time += profile_getclock() - ti;
 #endif
+                if (ret == EXCP_HLT) {
+                    /* Give the next CPU a chance to run.  */
+                    cur_cpu = env;
+                    continue;
+                }
                 if (ret != EXCP_HALTED)
                     break;
                 /* all CPUs are halted ? */
-                if (env == cur_cpu) {
-                    ret = EXCP_HLT;
+                if (env == cur_cpu)
                     break;
-                }
             }
             cur_cpu = env;
 
@@ -6325,9 +6328,9 @@
             if (ret == EXCP_DEBUG) {
                 vm_stop(EXCP_DEBUG);
             }
-            /* if hlt instruction, we wait until the next IRQ */
+            /* If all cpus are halted then wait until the next IRQ */
             /* XXX: use timeout computed from timers */
-            if (ret == EXCP_HLT)
+            if (ret == EXCP_HALTED)
                 timeout = 10;
             else
                 timeout = 0;