[PATCH] x86_64 irq: Safely cleanup an irq after moving it.

[pandora-kernel.git] / include / asm-x86_64 / hw_irq.h

diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h
index dc395ed..2e4b7a5 100644 (file)
--- a/include/asm-x86_64/hw_irq.h
+++ b/include/asm-x86_64/hw_irq.h
@@ -32,10 +32,15 @@
 #define IA32_SYSCALL_VECTOR    0x80
 
 
+/* Reserve the lowest usable priority level 0x20 - 0x2f for triggering
+ * cleanup after irq migration.
+ */
+#define IRQ_MOVE_CLEANUP_VECTOR        FIRST_EXTERNAL_VECTOR
+ 
 /*
  * Vectors 0x20-0x2f are used for ISA interrupts.
  */
-#define IRQ0_VECTOR            FIRST_EXTERNAL_VECTOR
+#define IRQ0_VECTOR            FIRST_EXTERNAL_VECTOR + 0x10
 #define IRQ1_VECTOR            IRQ0_VECTOR + 1
 #define IRQ2_VECTOR            IRQ0_VECTOR + 2
 #define IRQ3_VECTOR            IRQ0_VECTOR + 3
@@ -82,7 +87,7 @@
 
 /*
  * First APIC vector available to drivers: (vectors 0x30-0xee)
- * we start at 0x31 to spread out vectors evenly between priority
+ * we start at 0x41 to spread out vectors evenly between priority
  * levels. (0x80 is the syscall vector)
  */
 #define FIRST_DEVICE_VECTOR    (IRQ15_VECTOR + 2)