# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1264521249 0
# Node ID 66587cc5f1e1217c54a5483ce68b9ae6dbeca44a
# Parent  8e1385f1e8a7fcb9d686cf31d5a74d988e325cd4
x86: Polarity-switch method only effective in non-directed EOI case.

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>

diff -r 8e1385f1e8a7 -r 66587cc5f1e1 xen/arch/x86/io_apic.c
--- a/xen/arch/x86/io_apic.c	Tue Jan 26 15:53:52 2010 +0000
+++ b/xen/arch/x86/io_apic.c	Tue Jan 26 15:54:09 2010 +0000
@@ -1529,7 +1529,7 @@ static void mask_and_ack_level_ioapic_ir
        !io_apic_level_ack_pending(irq))
         move_native_irq(irq);
 
-    if (!(v & (1 << (i & 0x1f)))) {
+    if (!directed_eoi_enabled && !(v & (1 << (i & 0x1f)))) {
         atomic_inc(&irq_mis_count);
         spin_lock(&ioapic_lock);
         __edge_IO_APIC_irq(irq);