PPC: increase MAX_PICS to 32
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Authored by wma on Sep 29 2017, 6:41 AM.

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imp

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nwhitehorn
jhibbits
adrian
mw

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rS324187: PPC: increase MAX_PICS to 32

Summary

Previous value was too low on dual-socket POWER8 system, 32 seems to be safe for now.

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rS FreeBSD src repository - subversion

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wma created this revision.Sep 29 2017, 6:41 AM

Herald added a subscriber: imp. · View Herald TranscriptSep 29 2017, 6:41 AM

wma added a reviewer: mw.Sep 29 2017, 7:31 AM

Looks good to me. A better, longer-term, change would be to replace this list entirely with a dynamically allocated linked list or something. It isn't used in early boot (before malloc), or from assembly, or from anywhere performance-critical, so there's really no reason to keep it like this.

This revision is now accepted and ready to land.Sep 29 2017, 2:53 PM

Closed by commit rS324187: PPC: increase MAX_PICS to 32 (authored by wma). · Explain WhyOct 2 2017, 6:05 AM

This revision was automatically updated to reflect the committed changes.

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head/

sys/

powerpc/

include/

intr_machdep.h

2 lines

Diff 33621

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head/sys/powerpc/include/intr_machdep.h

PPC: increase MAX_PICS to 32ClosedPublicActions