Messages in this thread Patch in this message | | | From | Henrik Kretzschmar <> | Subject | [PATCH 4/5] x86: add dummy functions for compiling without IOAPIC | Date | Mon, 21 Feb 2011 09:59:23 +0100 |
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This patch adds IOAPIC dummy functions for compilation with local APIC, but without IOAPIC.
The local variable ioapic_entries in enable_IR_x2apic() does not need initialization anymore, since the dummy returns NULL.
Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de> --- arch/x86/include/asm/io_apic.h | 18 ++++++++++++++++++ arch/x86/kernel/apic/apic.c | 2 +- 2 files changed, 19 insertions(+), 1 deletions(-)
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h index 0be2f27..3140570 100644 --- a/arch/x86/include/asm/io_apic.h +++ b/arch/x86/include/asm/io_apic.h @@ -190,6 +190,24 @@ static inline int mp_find_ioapic(u32 gsi) { return 0; } struct io_apic_irq_attr; static inline int io_apic_set_pci_routing(struct device *dev, int irq, struct io_apic_irq_attr *irq_attr) { return 0; } + +static inline struct IO_APIC_route_entry **alloc_ioapic_entries(void) +{ + return NULL; +} + +static inline void free_ioapic_entries(struct IO_APIC_route_entry **) { } +static inline int save_IO_APIC_setup(struct IO_APIC_route_entry **) +{ + return -ENOMEM; +} + +static inline void mask_IO_APIC_setup(struct IO_APIC_route_entry **) { } +static inline int restore_IO_APIC_setup(struct IO_APIC_route_entry **) +{ + return -ENOMEM; +} + static inline void mp_save_irq(struct mpc_intsrc *m) { }; static inline void disable_ioapic_support(void) { } #endif diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 6fd5c33..562a832 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1471,7 +1471,7 @@ int __init enable_IR(void) void __init enable_IR_x2apic(void) { unsigned long flags; - struct IO_APIC_route_entry **ioapic_entries = NULL; + struct IO_APIC_route_entry **ioapic_entries; int ret, x2apic_enabled = 0; int dmar_table_init_ret; -- 1.7.2.3
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