amd64 pmap.h: make it easier to use the header for other consumers
Guard pmap_invlpg() definition with checks that only provide it when both sys/pcpu.h and machine/cpufunc.h were already included. Requested by: Elliott Mitchell Sponsored by: The FreeBSD Foundation MFC after: 1 week
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@ -516,6 +516,7 @@ pmap_invalidate_cpu_mask(pmap_t pmap)
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return (&pmap->pm_active);
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}
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#if defined(_SYS_PCPU_H_) && defined(_MACHINE_CPUFUNC_H_)
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/*
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* It seems that AlderLake+ small cores have some microarchitectural
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* bug, which results in the INVLPG instruction failing to flush all
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@ -533,6 +534,7 @@ pmap_invlpg(pmap_t pmap, vm_offset_t va)
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invlpg(va);
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}
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}
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#endif /* sys/pcpu.h && machine/cpufunc.h */
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#endif /* _KERNEL */
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