Differential D54855

powerpc: disable the TLBIE lock, it's not needed for POWER8
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Authored by adrian on Sat, Jan 24, 2:58 AM.

Details

Reviewers

jhibbits

Group Reviewers

PowerPC

Commits

rG9a5baa9c5856: powerpc: disable the TLBIE lock, it's not needed for POWER8

Summary

According to POWER8_UM_v1.3_16MAR2016 3.8.3 Translation Lookaside
Buffer (TLB), POWER8 supports lockless TLBIE operations.

Locally Tested:

IBM POWER8 Revision 2.0, dual socket, 160 threads

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

adrian created this revision.Sat, Jan 24, 2:58 AM

Herald added subscribers: jhibbits, imp. · View Herald TranscriptSat, Jan 24, 2:58 AM

adrian requested review of this revision.Sat, Jan 24, 2:58 AM

Harbormaster completed remote builds in B70102: Diff 170319.Sat, Jan 24, 2:58 AM

adrian added a parent revision: D54821: powerpc: add a best-effort SMP time base sync for G5's that need it.Sat, Jan 24, 3:09 AM

adrian added reviewers: jhibbits, PowerPC.

adrian added a project: PowerPC.

Herald added subscribers: alfredo, luporl, bdragon. · View Herald TranscriptSat, Jan 24, 3:10 AM

don't duplicate the section, thanks ppl

Harbormaster completed remote builds in B70103: Diff 170320.Sat, Jan 24, 3:59 AM

jhibbits accepted this revision.Sat, Jan 24, 8:32 PM

This revision is now accepted and ready to land.Sat, Jan 24, 8:32 PM

Closed by commit rG9a5baa9c5856: powerpc: disable the TLBIE lock, it's not needed for POWER8 (authored by adrian). · Explain WhyTue, Jan 27, 4:40 AM

This revision was automatically updated to reflect the committed changes.

adrian added a commit: rG9a5baa9c5856: powerpc: disable the TLBIE lock, it's not needed for POWER8.

Revision Contents
Changeset List

Path

Size

sys/

powerpc/

aim/

moea64_native.c

5 lines

Diff 170509

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sys/powerpc/aim/moea64_native.c

powerpc: disable the TLBIE lock, it's not needed for POWER8ClosedPublicActions