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9fb6718d1b
This avoids bloating the kernel image when MAXCPU is large. A follow-up patch for kgdb and other kernel debuggers is needed since the stoppcbs symbol is now a pointer. Bump __FreeBSD_version so that debuggers can use osreldate to figure out how to handle stoppcbs. PR: 269572 MFC after: never Reviewed by: mjg, emaste Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D39806
32 lines
667 B
C
32 lines
667 B
C
/* $FreeBSD$ */
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#ifndef _MACHINE_SMP_H_
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#define _MACHINE_SMP_H_
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#include <sys/_cpuset.h>
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#include <machine/pcb.h>
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enum {
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IPI_AST,
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IPI_PREEMPT,
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IPI_RENDEZVOUS,
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IPI_STOP,
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IPI_STOP_HARD = IPI_STOP, /* These are synonyms on arm. */
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IPI_HARDCLOCK,
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IPI_TLB, /* Not used now, but keep it reserved. */
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IPI_CACHE, /* Not used now, but keep it reserved. */
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INTR_IPI_COUNT
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};
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void init_secondary(int cpu);
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void mpentry(void);
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void ipi_all_but_self(u_int ipi);
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void ipi_cpu(int cpu, u_int ipi);
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void ipi_selected(cpuset_t cpus, u_int ipi);
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/* Platform interface */
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void platform_mp_setmaxid(void);
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void platform_mp_start_ap(void);
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#endif /* !_MACHINE_SMP_H_ */
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