From ace80ab796ae30d2c9ee8a84ab6f608a61f8b87b Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Wed, 4 Oct 2006 02:16:47 -0700 Subject: [PATCH] genirq: i386 irq: Remove the msi assumption that irq == vector This patch removes the change in behavior of the irq allocation code when CONFIG_PCI_MSI is defined. Removing all instances of the assumption that irq == vector. create_irq is rewritten to first allocate a free irq and then to assign that irq a vector. assign_irq_vector is made static and the AUTO_ASSIGN case which allocates an vector not bound to an irq is removed. The ioapic vector methods are removed, and everything now works with irqs. The definition of NR_IRQS no longer depends on CONFIG_PCI_MSI [akpm@osdl.org: cleanup] Signed-off-by: Eric W. Biederman Cc: Ingo Molnar Cc: Thomas Gleixner Cc: Benjamin Herrenschmidt Cc: Rajesh Shah Cc: Andi Kleen Cc: "Protasevich, Natalie" Cc: "Luck, Tony" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-i386/hw_irq.h | 1 - include/asm-i386/io_apic.h | 42 ---------------------- include/asm-i386/mach-default/irq_vectors_limits.h | 5 --- 3 files changed, 48 deletions(-) (limited to 'include/asm-i386') diff --git a/include/asm-i386/hw_irq.h b/include/asm-i386/hw_irq.h index 8e8fbfaa252..88f02a07356 100644 --- a/include/asm-i386/hw_irq.h +++ b/include/asm-i386/hw_irq.h @@ -28,7 +28,6 @@ extern u8 irq_vector[NR_IRQ_VECTORS]; #define IO_APIC_VECTOR(irq) (irq_vector[irq]) -#define AUTO_ASSIGN -1 extern void (*interrupt[NR_IRQS])(void); diff --git a/include/asm-i386/io_apic.h b/include/asm-i386/io_apic.h index 5d309275a1d..276ea7e8144 100644 --- a/include/asm-i386/io_apic.h +++ b/include/asm-i386/io_apic.h @@ -12,46 +12,6 @@ #ifdef CONFIG_X86_IO_APIC -#ifdef CONFIG_PCI_MSI -static inline int use_pci_vector(void) {return 1;} -static inline void disable_edge_ioapic_vector(unsigned int vector) { } -static inline void mask_and_ack_level_ioapic_vector(unsigned int vector) { } -static inline void end_edge_ioapic_vector (unsigned int vector) { } -#define startup_level_ioapic startup_level_ioapic_vector -#define shutdown_level_ioapic mask_IO_APIC_vector -#define enable_level_ioapic unmask_IO_APIC_vector -#define disable_level_ioapic mask_IO_APIC_vector -#define mask_and_ack_level_ioapic mask_and_ack_level_ioapic_vector -#define end_level_ioapic end_level_ioapic_vector -#define set_ioapic_affinity set_ioapic_affinity_vector - -#define startup_edge_ioapic startup_edge_ioapic_vector -#define shutdown_edge_ioapic disable_edge_ioapic_vector -#define enable_edge_ioapic unmask_IO_APIC_vector -#define disable_edge_ioapic disable_edge_ioapic_vector -#define ack_edge_ioapic ack_edge_ioapic_vector -#define end_edge_ioapic end_edge_ioapic_vector -#else -static inline int use_pci_vector(void) {return 0;} -static inline void disable_edge_ioapic_irq(unsigned int irq) { } -static inline void mask_and_ack_level_ioapic_irq(unsigned int irq) { } -static inline void end_edge_ioapic_irq (unsigned int irq) { } -#define startup_level_ioapic startup_level_ioapic_irq -#define shutdown_level_ioapic mask_IO_APIC_irq -#define enable_level_ioapic unmask_IO_APIC_irq -#define disable_level_ioapic mask_IO_APIC_irq -#define mask_and_ack_level_ioapic mask_and_ack_level_ioapic_irq -#define end_level_ioapic end_level_ioapic_irq -#define set_ioapic_affinity set_ioapic_affinity_irq - -#define startup_edge_ioapic startup_edge_ioapic_irq -#define shutdown_edge_ioapic disable_edge_ioapic_irq -#define enable_edge_ioapic unmask_IO_APIC_irq -#define disable_edge_ioapic disable_edge_ioapic_irq -#define ack_edge_ioapic ack_edge_ioapic_irq -#define end_edge_ioapic end_edge_ioapic_irq -#endif - #define IO_APIC_BASE(idx) \ ((volatile int *)(__fix_to_virt(FIX_IO_APIC_BASE_0 + idx) \ + (mp_ioapics[idx].mpc_apicaddr & ~PAGE_MASK))) @@ -219,6 +179,4 @@ extern int (*ioapic_renumber_irq)(int ioapic, int irq); static inline void disable_ioapic_setup(void) { } #endif -extern int assign_irq_vector(int irq); - #endif diff --git a/include/asm-i386/mach-default/irq_vectors_limits.h b/include/asm-i386/mach-default/irq_vectors_limits.h index b330026e6f7..7f161e760be 100644 --- a/include/asm-i386/mach-default/irq_vectors_limits.h +++ b/include/asm-i386/mach-default/irq_vectors_limits.h @@ -1,10 +1,6 @@ #ifndef _ASM_IRQ_VECTORS_LIMITS_H #define _ASM_IRQ_VECTORS_LIMITS_H -#ifdef CONFIG_PCI_MSI -#define NR_IRQS FIRST_SYSTEM_VECTOR -#define NR_IRQ_VECTORS NR_IRQS -#else #ifdef CONFIG_X86_IO_APIC #define NR_IRQS 224 # if (224 >= 32 * NR_CPUS) @@ -16,6 +12,5 @@ #define NR_IRQS 16 #define NR_IRQ_VECTORS NR_IRQS #endif -#endif #endif /* _ASM_IRQ_VECTORS_LIMITS_H */ -- cgit v1.2.3