diff options
| author | Shaohua Li <shaohua.li@intel.com> | 2011-01-17 10:52:02 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-02-14 13:03:07 +0100 |
| commit | 60f6e65d7887c257392313755f95540ef5e7ea89 (patch) | |
| tree | 05d6a971f8e2ee639172a434deaa3bea502185cc | |
| parent | 795abaf1e4e188c4171e3cd3dbb11a9fcacaf505 (diff) | |
| download | linux-stable-60f6e65d7887c257392313755f95540ef5e7ea89.tar.gz linux-stable-60f6e65d7887c257392313755f95540ef5e7ea89.tar.bz2 linux-stable-60f6e65d7887c257392313755f95540ef5e7ea89.zip | |
x86: Cleanup vector usage
Cleanup the vector usage and make them continuous if possible.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
LKML-Reference: <1295232722.1949.707.camel@sli10-conroe>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/include/asm/irq_vectors.h | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h index 6af0894dafb4..42f0d4a30f1b 100644 --- a/arch/x86/include/asm/irq_vectors.h +++ b/arch/x86/include/asm/irq_vectors.h @@ -1,6 +1,7 @@ #ifndef _ASM_X86_IRQ_VECTORS_H #define _ASM_X86_IRQ_VECTORS_H +#include <linux/threads.h> /* * Linux IRQ vector layout. * @@ -16,8 +17,8 @@ * Vectors 0 ... 31 : system traps and exceptions - hardcoded events * Vectors 32 ... 127 : device interrupts * Vector 128 : legacy int80 syscall interface - * Vectors 129 ... 237 : device interrupts - * Vectors 238 ... 255 : special interrupts + * Vectors 129 ... 229 : device interrupts + * Vectors 230 ... 255 : special interrupts * * 64-bit x86 has per CPU IDT tables, 32-bit has one shared IDT table. * @@ -96,37 +97,38 @@ #define THRESHOLD_APIC_VECTOR 0xf9 #define REBOOT_VECTOR 0xf8 -/* f0-f7 used for spreading out TLB flushes: */ -#define INVALIDATE_TLB_VECTOR_END 0xf7 -#define INVALIDATE_TLB_VECTOR_START 0xf0 -#define NUM_INVALIDATE_TLB_VECTORS 8 - -/* - * Local APIC timer IRQ vector is on a different priority level, - * to work around the 'lost local interrupt if more than 2 IRQ - * sources per level' errata. - */ -#define LOCAL_TIMER_VECTOR 0xef - /* * Generic system vector for platform specific use */ -#define X86_PLATFORM_IPI_VECTOR 0xed +#define X86_PLATFORM_IPI_VECTOR 0xf7 /* * IRQ work vector: */ -#define IRQ_WORK_VECTOR 0xec +#define IRQ_WORK_VECTOR 0xf6 -#define UV_BAU_MESSAGE 0xea +#define UV_BAU_MESSAGE 0xf5 /* * Self IPI vector for machine checks */ -#define MCE_SELF_VECTOR 0xeb +#define MCE_SELF_VECTOR 0xf4 /* Xen vector callback to receive events in a HVM domain */ -#define XEN_HVM_EVTCHN_CALLBACK 0xe9 +#define XEN_HVM_EVTCHN_CALLBACK 0xf3 + +/* + * Local APIC timer IRQ vector is on a different priority level, + * to work around the 'lost local interrupt if more than 2 IRQ + * sources per level' errata. + */ +#define LOCAL_TIMER_VECTOR 0xef + +/* f0-f7 used for spreading out TLB flushes: */ +#define NUM_INVALIDATE_TLB_VECTORS 8 +#define INVALIDATE_TLB_VECTOR_END 0xee +#define INVALIDATE_TLB_VECTOR_START \ + (INVALIDATE_TLB_VECTOR_END - NUM_INVALIDATE_TLB_VECTORS + 1) #define NR_VECTORS 256 |