diff options
Diffstat (limited to 'arch/x86/include/asm/irq_vectors.h')
| -rw-r--r-- | arch/x86/include/asm/irq_vectors.h | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h index 43dcb9284208..47051871b436 100644 --- a/arch/x86/include/asm/irq_vectors.h +++ b/arch/x86/include/asm/irq_vectors.h @@ -18,8 +18,8 @@ * Vectors 0 ... 31 : system traps and exceptions - hardcoded events * Vectors 32 ... 127 : device interrupts * Vector 128 : legacy int80 syscall interface - * Vectors 129 ... LOCAL_TIMER_VECTOR-1 - * Vectors LOCAL_TIMER_VECTOR ... 255 : special interrupts + * Vectors 129 ... FIRST_SYSTEM_VECTOR-1 : device interrupts + * Vectors FIRST_SYSTEM_VECTOR ... 255 : special interrupts * * 64-bit x86 has per CPU IDT tables, 32-bit has one shared IDT table. * @@ -35,13 +35,6 @@ */ #define FIRST_EXTERNAL_VECTOR 0x20 -/* - * Reserve the lowest usable vector (and hence lowest priority) 0x20 for - * triggering cleanup after irq migration. 0x21-0x2f will still be used - * for device interrupts. - */ -#define IRQ_MOVE_CLEANUP_VECTOR FIRST_EXTERNAL_VECTOR - #define IA32_SYSCALL_VECTOR 0x80 /* @@ -91,11 +84,9 @@ #define HYPERVISOR_CALLBACK_VECTOR 0xf3 /* Vector for KVM to deliver posted interrupt IPI */ -#ifdef CONFIG_HAVE_KVM #define POSTED_INTR_VECTOR 0xf2 #define POSTED_INTR_WAKEUP_VECTOR 0xf1 #define POSTED_INTR_NESTED_VECTOR 0xf0 -#endif #define MANAGED_IRQ_SHUTDOWN_VECTOR 0xef @@ -106,10 +97,16 @@ #define LOCAL_TIMER_VECTOR 0xec +/* + * Posted interrupt notification vector for all device MSIs delivered to + * the host kernel. + */ +#define POSTED_MSI_NOTIFICATION_VECTOR 0xeb + #define NR_VECTORS 256 #ifdef CONFIG_X86_LOCAL_APIC -#define FIRST_SYSTEM_VECTOR LOCAL_TIMER_VECTOR +#define FIRST_SYSTEM_VECTOR POSTED_MSI_NOTIFICATION_VECTOR #else #define FIRST_SYSTEM_VECTOR NR_VECTORS #endif |