x86 boot: include missing smp.h header
The patch: x86: convert cpu_to_apicid to be a per cpu variable introduced a dependency of ipi.h on smp.h in x86 builds with an allnoconfig. Including smp.h in ipi.h fixes the build error: In file included from arch/x86/kernel/traps_64.c:48: include/asm/ipi.h: In function 'send_IPI_mask_sequence': include/asm/ipi.h:114: error: 'per_cpu__x86_cpu_to_apicid' undeclared (first use in this function) Signed-off-by: Paul Jackson <pj@sgi.com> Cc: Mike Travis <travis@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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#include <asm/hw_irq.h>
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#include <asm/hw_irq.h>
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#include <asm/apic.h>
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#include <asm/apic.h>
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#include <asm/smp.h>
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/*
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/*
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* the following functions deal with sending IPIs between CPUs.
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* the following functions deal with sending IPIs between CPUs.
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