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Diffusion FreeBSD src repository - subversion rS158236

Add a new 'pmap_invalidate_cache()' to flush the CPU caches via the
rS158236Unpublished
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Description

Add a new 'pmap_invalidate_cache()' to flush the CPU caches via the
wbinvd() instruction. This includes a new IPI so that all CPU caches on
all CPUs are flushed for the SMP case.

MFC after: 1 month

Details

Provenance
jhbAuthored on
Parents
rS158235: Using an idea from Stephan Uphoff, use the empty pte's that correspond
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Changes (12)

PathSize
head/
sys/
amd64/
amd64/
include/
i386/
i386/
include/

rS158236

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head/sys/amd64/amd64/apic_vector.S

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head/sys/amd64/amd64/mp_machdep.c

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head/sys/amd64/amd64/pmap.c

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head/sys/amd64/include/apicvar.h

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head/sys/amd64/include/pmap.h

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head/sys/amd64/include/smp.h

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head/sys/i386/i386/apic_vector.s

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head/sys/i386/i386/mp_machdep.c

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head/sys/i386/i386/pmap.c

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head/sys/i386/include/apicvar.h

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head/sys/i386/include/pmap.h

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head/sys/i386/include/smp.h

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