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x86, apic: unify the APIC vector enumeration

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From: Linux Kernel Mailing List
Subject: x86, apic: unify the APIC vector enumeration
Date: Saturday, March 28, 2009 - 2:14 pm

Gitweb:     http://git.kernel.org/linus/5da690d29f0de17cc1835dd3eb8f8bd0945521f0
Commit:     5da690d29f0de17cc1835dd3eb8f8bd0945521f0
Parent:     8f47e16348e8e25eedf639092a8a2f10a66aba34
Author:     Ingo Molnar <mingo@elte.hu>
AuthorDate: Sat Jan 31 02:10:03 2009 +0100
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Sat Jan 31 04:21:19 2009 +0100

    x86, apic: unify the APIC vector enumeration
    
    Most of the vector layout on 32-bit and 64-bit is identical now,
    so eliminate the duplicated enumeration of the vectors.
    
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/irq_vectors.h |   35 ++++++++++++-----------------------
 1 files changed, 12 insertions(+), 23 deletions(-)

diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h
index 0e2220b..393f85e 100644
--- a/arch/x86/include/asm/irq_vectors.h
+++ b/arch/x86/include/asm/irq_vectors.h
@@ -50,37 +50,26 @@
  *  into a single vector (CALL_FUNCTION_VECTOR) to save vector space.
  *  TLB, reschedule and local APIC vectors are performance-critical.
  */
-#ifdef CONFIG_X86_32
-
-# define SPURIOUS_APIC_VECTOR		0xff
-# define ERROR_APIC_VECTOR		0xfe
-# define RESCHEDULE_VECTOR		0xfd
-# define CALL_FUNCTION_VECTOR		0xfc
-# define CALL_FUNCTION_SINGLE_VECTOR	0xfb
-# define THERMAL_APIC_VECTOR		0xfa
-/* 0xf8 - 0xf9 : free */
-# define INVALIDATE_TLB_VECTOR_END	0xf7
-# define INVALIDATE_TLB_VECTOR_START	0xf0	/* f0-f7 used for TLB flush */
 
-# define NUM_INVALIDATE_TLB_VECTORS	8
+#define SPURIOUS_APIC_VECTOR		0xff
+#define ERROR_APIC_VECTOR		0xfe
+#define RESCHEDULE_VECTOR		0xfd
+#define CALL_FUNCTION_VECTOR		0xfc
+#define CALL_FUNCTION_SINGLE_VECTOR	0xfb
+#define THERMAL_APIC_VECTOR		0xfa
 
+#ifdef CONFIG_X86_32
+/* 0xf8 - 0xf9 : free */
 #else
-
-# define SPURIOUS_APIC_VECTOR		0xff
-# define ERROR_APIC_VECTOR		0xfe
-# define RESCHEDULE_VECTOR		0xfd
-# define CALL_FUNCTION_VECTOR		0xfc
-# define CALL_FUNCTION_SINGLE_VECTOR	0xfb
-# define THERMAL_APIC_VECTOR		0xfa
 # define THRESHOLD_APIC_VECTOR		0xf9
 # define UV_BAU_MESSAGE			0xf8
-# define INVALIDATE_TLB_VECTOR_END	0xf7
-# define INVALIDATE_TLB_VECTOR_START	0xf0	/* f0-f7 used for TLB flush */
+#endif
 
+/* 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
 
-#endif
-
 /*
  * Local APIC timer IRQ vector is on a different priority level,
  * to work around the 'lost local interrupt if more than 2 IRQ
--
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