[XenPPC] [pushed][ppc] process all interrupts that may be in the PIC

[jimix@xxxxxxxxxxxxxx]

changeset:   9665:adf9242cac67
user:        jimix@xxxxxxxxxxxxxxxxxxxxx
date:        Wed Mar 29 12:31:15 2006 -0500
summary:     [ppc] process all interrupts that may be in the PIC

diff -r 7c52c6507ea3 -r adf9242cac67 xen/arch/ppc/external.c
--- a/xen/arch/ppc/external.c   Wed Mar 29 12:28:58 2006 -0500
+++ b/xen/arch/ppc/external.c   Wed Mar 29 12:31:15 2006 -0500
@@ -75,13 +75,22 @@ void do_external(struct cpu_user_regs *r
 {
     int vec;
 
-    local_irq_disable();
-    vec = mpic_get_one_irq(mpic, regs);
-
-    DBG("EE:0x%lx isrc: %d\n", regs->msr, vec);
-    if (vec != -1) {
-        regs->entry_vector = vec;
-        do_IRQ(regs);
+    BUG_ON(!(regs->msr & MSR_EE));
+    BUG_ON(mfmsr() & MSR_EE);
+
+    for (;;) {
+        vec = mpic_get_one_irq(mpic, regs);
+
+        if (vec != -1) {
+            DBG("EE:0x%lx isrc: %d\n", regs->msr, vec);
+            regs->entry_vector = vec;
+            do_IRQ(regs);
+
+            BUG_ON(mfmsr() & MSR_EE);
+
+            continue;
+        }
+        break;
     }
 }
 



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